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Atlas Copco Ground Engineering Products

Overburden drilling catalogue

Symmetrix™ overburden drilling systems

2

Overburden Drilling Catalogue

Atlas Copco Overburden Drilling System . . . . . . . . . . . . . . 3

The Symmetrix System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Drilling overburden . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Permanent or retrievable casings . . . . . . . . . . . . . . . . . . . . . 5

Pile types in foundation drilling . . . . . . . . . . . . . . . . . . . . .5

Common system requirements . . . . . . . . . . . . . . . . . . . . . . 6

Large pass through inner diameter . . . . . . . . . . . . . . . . . .6

Systems with drill through pilot bit . . . . . . . . . . . . . . . . . .6

Heavy duty system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Top hammer system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Special systems designs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Clay face design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Sensitive conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Symmetrix features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Ballistic buttons for specific conditions . . . . . . . . . . . . . . .9

How to select a Symmetrix system . . . . . . . . . . . . . . . . . . 10

Overburden map of Symmetrix system . . . . . . . . . . . . . . . 11

Permanent / Top hammer . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Permanent / DTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Permanent / DTH / Heavy duty . . . . . . . . . . . . . . . . . . . . . . 29

Permanent / DTH / Drill through . . . . . . . . . . . . . . . . . . . . 36

Retrievable / Top hammer . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Retrievable / Top hammer / Drill through . . . . . . . . . . . . . 41

Retrievable / DTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Retrievable / DTH / Drill through . . . . . . . . . . . . . . . . . . . . 52

Systems available on request . . . . . . . . . . . . . . . . . . . . . . . 57

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Operating system with DTH . . . . . . . . . . . . . . . . . . . . . . . . 59

Welding ring assembly instructions . . . . . . . . . . . . . . . . . . 59

Part number index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

3

Atlas Copco Overburden Drilling SystemsAs much as 90% of the land surface of the earth is covered with loose, unconsolidated material such as soil, clay, silt, sand, gravel and boulders, which varies in depth from a few centimeters to hundreds of meters.

Drilling through this so-called overburden is often problematic, due to the tendency of the earth to cave in behind the drill bit. This makes it difficult to retrieve the drill string after the hole has been drilled. In practice, the bore hole is often lost before a casing tube can be inserted to support it. The Symmetrix range of overburden drilling systems represent the latest technology in simultaneous casing advancement.

Drilled piles were first used in Italy, when repairing and reinforcing foundations of buildings that had been damaged during World War II. Drilling was originally done with rotary drill rigs and drilling tools were pipes with cutting teeth at the lower end. Pipes were rotated and pushed into the ground while circulating bentonite-water slurry as a drilling mud.

Over the years the engineering has improved and new equipment and technologies developed. With the introduction of percussive drilling methods, it became possible to penetrate all kinds of soil and rock.

In the early ’90s, the DTH method was used above all for well drilling. Well drillers had continuous problems with drill bits making work slow. When the drill bit hit a boulder it might cause deviation from drilling direction. In ad-dition the holes in overburden tend to collapse before reaching bedrock. Then a new casing drilling system, namely Symmetrix, was invented in Finland. Until the time the drilling was done with asymmetric drill bits, but the new invention was a symmetrical drill bit system, which advance a casing pipe simultaneously when drilling the hole.

4

The Symmetrix systemSymmetrix is a patented system comprised of an ingeniously simple concentric method of drilling through over-burden with casing. Symmetrix drills straight holes, in any type of ground conditions, at any angle and to depths beyond 100 meters.

The three main components of the system are made up of:

A pilot bit that drills away the center part of the hole and guides the drill string. The pilot bit is attached to any common DTH hammer shank or top hammer rod thread.

A casing shoe welded to the casing pipe which is pulled down by the impact of the hammer and pilot bit.

A symmetrical ring bit that is locked onto the pilot bit drills the void for the casing to advance down the hole. There are three different types of ring bit and cas-ing shoe assemblies;

A solitary ring bit with no connection to the ■ casing shoe.

A welding ring that holds the ring bit and casing ■ shoe together.

A factory assembled ring bit set with integrated ■ ring bit and casing shoe.

Drilling in overburdenCasings are installed into the overburden basically for two different reasons:

1. To create a conduit through the overburden for example;

gas, oil, water and geothermal wells ■utility lines ■starter casings for exploration ■grouting casings ■

2. To create foundation and support structures such as;piles ■forepoling, pipe roofs ■ground stabilization ■anchors ■

Depending on the use of the casing it is either left in the hole permanently or retrieved by pulling out. Symme-trix range includes systems for drilling both permanent and retrievable casings. In case of the permanent casing the ring bit is sacrificed and left in the bottom of the hole, while drilling retrievable casings all system com-ponents are retrieved for re-use.

Pilot bit

a) Symmetrix system with a solitary ring bit snd an optional welding ring .

Casing shoe

Welding ring (optional)

Ring bit

Pilot bit

b) Symmetrix system with a ring bit set; an integrated ring bit and casing shoe .

Casing shoe

Ring bit

5

Permanent or retrievable casings

Pile types in foundation drillingFoundation piles are generally divided in two different types, end bearing piles and skin friction piles.

End bearing pilesA very important factor which determines the choice of foundation and its design is formed by the geotechnical properties of the ground.

In many cases piles can be footed in a firm stratum, such as dense till or bedrock, in which case they will get most of their bearing capacity from the base and consequently be classified as end bearing piles. Solitary ring bits can be used in this type of drilling. In case there is a special need to tie the casing shoe and ring bit together (like cavities or soft clay in ground or where drilling starts over water surface) the connection can be made economically by using a separate welding ring. Ring bit and casing shoe can be integrated in the factory. These factory assembled ring bit sets are easy to use.

The systems are available through the whole product range the smallest being for 114 mm (4 1/2") casing and largest size available at the moment is for 1220 mm (48") casing.

Skin friction pilesWhere there is no particular dense underlying stratum, the bearing capacity will depend on the friction forces that are mobilized along the length of the pile. These piles are called skin friction piles. Casings are often retrieved after reinforcement structure has been in-stalled.Skin friction piles can be drilled with the solitary ring bit as above, pulling out the casing after the concrete is poured in, but more common is to use a system where also the ring bit is retrieved. Such systems always have large ring bit inner diameters to allow maximal inside diameter usage for reinforcement structure.

The same method can also be applied to well drilling for applications where casings are retrieved. Retriev-able systems are available for casing sizes from 89 mm to 1220 mm (3 1/2" to 48").

Installing end bearing piles 1 . Casing is installed until bedrock .

2 . Drill string is pulled out from the hole .

3 . Reinforcement element is installed and concrete poured into the hole .

1 2 3

Installing skin friction piles 1 . Casing is installed .

2 . Drill string is pulled out from the hole .

3 . Reinforcement element is installed and concrete poured in . Finally the casing is pulled out with ring bit set .

1 2 3

1 2 3

6

Large pass through inner

Common system requirements

diameterThere are casing drilling applications where the pas-sage through the ring bit is essential. Such requirement is typical in both piling as well as in well drilling. Symmetrix product range includes models taking this requirement into consideration.

In piling a large pass through ring bit inner diameter is normally required to drill a hole for a rock socket with-out the casing with a DTH bit. On the other hand the structure of pile reinforcement placed into the casing requires a certain space and when casings are retrieved ring bit inner diameter needs to be large enough.

In well drilling the casing is drilled through overburden into the bedrock and then the drilling of rock well is continued with a DTH bit. For that reason the ring bit inner diameter needs to be large enough.

Systems with drill-through pilot bitSometimes it is economically reasonable to drill the hole for the rock socket with the actual Symmetrix pilot bit. This applies to all cases where the rock socket length is short compared to the casing length. By utiliz-ing the Symmetrix pilot bit for drilling the rock socket, time is saved, since there is no need to replace the Sym-metrix pilot bit with a DTH bit between work phases. Symmetrix product family has such drill through sys-tems for both permanent and retrievable casings. Drill through systems are available for most casing sizes. In the product designation code, not only the ring bit inner diameter, but also the outer diameter of the pilot bit is given since the pilot bit makes a larger hole than the ring bit’s inner diameter.

System with large pass through inner diameter 1 . Casing is installed until bedrock . 2 . Drill string is pulled out from the hole . 3 . Drilling of the well continues with a DTH bit, which passes through the ring bit .

1 2 3

System with drill-through pilot bit 1 . Casing is installed until surface of bedrock . 2 . Drill through pilot bit is unlocked from ring bit and after that pilot bit drills a rock socket . Drill string is pulled out from the hole . 3 . Reinforcement element is installed and concrete poured into the hole .

1 2 3

7

1

2

3

Forepoling with top hammer 1 . Casing is installed . 2 . Drill string is pulled out from the hole . 3 . After grouting installation is finished .

Common system requirements

Heavy-duty systemsSymmetrix product family includes the heavy-duty system, which has very strong striking and pulling surfaces. In horizontal drilling the friction between soil and casing can grow very high and Symmetrix heavy-duty drill bits are designed to stand the abrasion in such conditions.

These systems are intended for break through drilling where the ring bit is recovered for re-use. System can be also used for drilling deep vertical holes, if there is no requirement on a large ring bit inner diameter.

Heavy duty systems are available for casings from 140 mm up to 1 220 mm (5 1/2" to 48").

Top hammer systemsWhile most of casing drilling is done with DTH ham-mers there are also requirements to drill casings with top hammers. Symmetrix product range naturally con-sists models for drilling both permanent and retrievable casings with top hammer.

Symmetrix heavy-duty system with a solitary ring bit, which can be connected to a casing shoe by optional welding ring .

Top hammer system for permanent casings, e .g . for forepoling

Top hammer system for retrievable casings, e .g . for anchoring

1

2

Heavy duty system - horizontal drilling 1 . Casing is installed through overburden layer . 2 . Ring bit (and casing shoe with starter casing) are recovered from receiving pit . Drill string is withdrawn to starter pit .

8

Special system designs

Clay face designSometimes clay makes casing advancement very prob-lematic. Clay cannot be drilled with impact as its elastic structure does not break nor produce any cuttings to be flushed out, making penetration very slow. Hard, rubber type clays can be drilled with cutting only. For that rea-son Symmetrix clay face has been designed. Symme-trix clay version, which is optional for all models, has despite its large clay cutting face area enough surface with tungsten carbide inserts to allow also drilling into solid rock.

Sensitive conditionsWhen facing sensitive drilling conditions, such as un-derpinning and construction close to existing structures, pilot bits with extra deep face flushing grooves can be of great use. These Symmetrix pilot bits are used with long ring bit assembly to keep flushing within the face area and collect the cuttings back into the casing. This means less disturbances for surrounding structures. The method can also be utilized in marine constructions, where this assembly ensures controlled drilling and cuttings removal in sea bottom conditions. This sys-tem does not only keep the flushing under control but also allows accurate and straight penetration in steeply sloped bedrock face.

Clay cutting edge

Extended ring bit

Deep flushing grooves

These two models are not included in product listing and are available on request . Please contact your local Atlas Copco customer center or distributor .

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Special system designs

Symmetrix featuresEach Symmetrix system is made from high quality al-loy steel, and has been precision machined to produce a perfect bit body, heat treated to the required hardness, and fitted with durable tungsten carbide buttons.

Ballistic buttons for specific conditionsSymmetrix drill bits are manufactured with hemi-spherical buttons, but can be dressed also with ballistic buttons for use in soft and medium hard formations to achieve higher penetration rate. Ballistic buttons are efficient in cutting clay and also able to penetrate into wood when drilled within old wooden foundation.

Pilot bit with hemispherical buttons

Drill bits with ballistic buttons are available on request . Please contact your local Atlas Copco customer center or distributor .

10

When selecting the right Symmetrix casing drilling system, the first question to ask is whether the casing should be permanent or retrievable. This will influence the further choices.

The second issue to investigate is what casing size is used by determining outer diameter of the casing pipe and wall thickness. For permanent casing, both thick and thin wall casing can be used, while a thick wall casing is needed for retrievable casing.

The final step is to get a good insight of the application and requirements for the system. For example what kind of hammer is used? Is drilling continued through the ring bit after the casing has been installed? Is the drilling horizontal or vertical?

The Symmetrix systems will be named and numbered according to the casing type, casing size and ring bit in-ner diameter in both, permanent and retrievable forms.

How to select a Symmetrix system

1 . We need to know if the casings are left in the ground (Permanent) or are pulled out (Retrievable)

Permanent (P)

Retrievable (R)

Permanent - thin wall casing

Permanent - thick wall casing

Retrievable - thick wall casing

2 . We also need to know the casing outer diameter and wall thickness .

3 . We need to know the application requirements, i .e .

- DTH or tophammer?

- Large pass through inner diameter?

- Drill-through system?

Product designation code

Casing type, P=Permanent, R=Retrievable

Casing outer Ø (mm)

Maximum casing wall thickness (mm)

Ring bit inner Ø or ring bit inner Ø

Shank or thread

P168/12.7-103-QL50

/ drill-through pilot bit outer Ø (mm)

or product description

Integrated ring bit set - Well drilling

Integrated ring bit set - Tunnelling

Integrated ring bit set - Foundation drilling

Solitary ring bit systems - Foundation drilling

Heavy duty systems - Horizontal drilling

Drill-through pilot bit - Foundation drilling

Integrated ring bit set - Foundation drilling/

Well drilling

Drill-through pilot bit - Foundation drilling

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Overview map of Symmetrix systemsCasing type

Hammertype

System feature

Main applications

Ring bit system Remark Casing outer Ømm (inch)

Large pass through inner Ø

Permanentor retrievable

DTH /Top hammer

Foundation drilling, especially end bearing piles

Either solitary ring bit with optional welding ring or integrated ring bit set

When drilling with solitary ring bit casing can be retrieved and ring bit is left in the bottom of the hole

114-1220 (4 1/2 - 48)

No

Permanent DTH Heavy duty

Horizontal drilling, vertical break-through drilling, deep vertical holes

Solitary ring bit with optional welding ring

140-1220(5 1/2 - 48)

No

Permanent DTH Drill-through pilot bit

Foundation drilling, especially end bearing piles, anchoring

Integrated ring bit set

The pilot bit can continue drilling hole for rock socket

168-711 (6 5/8 - 28)

Yes

Permanent DTH Well drilling Integrated ring bit set

140-194(5 1/2-7 5/8)

Yes

Permanent DTH Deep well drilling, foundation drilling


168-914(6 5/8 - 36)

Yes

Permanent Top hammer / DTH

Forepoling in tunnels


76-114(3 - 4 1/2)

No

Retrievable DTH /Top hammer

Foundation drilling, especially skin friction piles, anchoring


89-12203 1/2 - 48)

Yes

Retrievable DTH Drill-through pilot bit

Foundation drilling anchoring


The pilot bit can continue drilling hole for rock socket.

114-1220 (4 1/2 - 48)

Yes

Retrievable DTH Piling, anchoring.

Pre-drilling of holes for driven piles


219-1016(8 5/8 - 40)

No

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R1 integrated ring bit and casing shoeR2 solitary ring bitR3 same part for DTH and TophammerR4 rock socket is drilled by drill-through pilot bitR5 optional for connecting ring bit and casing shoe

Part numbers in bold are stock items, other products are produced to order.

Symmetrix overburden drilling system

Permanent / Top hammer

Part Designation Remark Larg

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Ring bit

Pilot bit

Unit

Main applications

PartnumberIn

ner Ø

Out

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Out

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Foun

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Tunn

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Casing 76,2 mm (3")

Pilot bit G P76/8-41-R32 1,08,0 41 88 58 mm

X 8092 4022 140,31 1,61 3,46 2,26 inch

Ring bit set R P76/8-41- ring bit set R1 1,5

8,0 41 88 58 mmX 8092 4022 15

0,31 1,61 3,46 2,26 inch

Casing 88,9 mm (3 1/2")

Pilot bit G P89/8-54-T38 3,58,0 54 100 70 mm

X 8092 4009 540,31 2,13 3,94 2,76 inch

Ring bit set R P89/8-54- ring bit set R1 2,0

8,0 54 100 70 mmX 8092 4009 76

0,31 2,13 3,94 2,76 inch

Casing 114,3 mm (4 1/2")

Pilot bit P114/10-61-T45 5,010,0 61 125 93 mm

X 8092 4016690,39 2,40 4,92 3,65 inch

Ring bit K P114/10-61-LH ring bit R2 left hand 2,5

10,0 61 125 93 mmX 8092 4025 49

0,39 2,40 4,92 3,65 inch

Casing shoe V P114/10-61-casing shoe R3 2,0

10,0 61 125 93 mmX 8092 4011 64

0,39 2,40 4,92 3,65 inch

Casing shoe VP114/8-61- casing shoe

To be used with P114/10-61 pilot bit and ring bit

2,08,0 61 125 93 mm

X 8092 4021 530,31 2,40 4,92 3,65 inch

Pilot bit G P114/10-75-T38 6,010,0 75 129 93 mm

X 8092 4017 370,39 2,95 5,08 3,65 inch

Ring bit set R P114/10-75- ring bit set R1 R3 4,0

10,0 75 129 93 mmX 8092 4017 35

0,39 2,95 5,08 3,65 inch

Casing 139,7 mm (5 1/2")

Pilot bit G P140/10-100-T45 6,010,0 61 125 117 mm

X 8092 4021 640,39 2,40 4,92 4,59 inch

Pilot bit G P140/10-100-T51 6,010,0 61 125 117 mm

X 8092 4021 650,39 2,40 4,92 4,59 inch

Ring bit set R P140/10-100- ring bit set R1 R3 4,0

10,0 61 125 117 mmX 8092 4020 69

0,39 2,40 4,92 4,59 inch

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e pa

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r Ø Weight (kg) Ca

sing

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Ring bit

Pilot bit

Unit

Main applications

PartnumberIn

ner Ø

Out

er Ø

Out

er Ø

Foun

datio

n dr

illin

g

Wel

l dr

illin

g

Casing 114,3 mm (4 1/2")

Pilot bit A P114/10-61-COP32 8,0

10,0 61 125 93 mmX 8092 4014 85

0,39 2,40 4,92 3,65 inch

Pilot bit A P114/8-61-COP34 8,010,0 61 125 93 mm

X 8092 4013 870,39 2,40 4,92 3,65 inch

Pilot bit A PP114/10-61-DHD3.5 8,0

10,0 61 125 93 mmX 8092 4014 86

0,39 2,40 4,92 3,65 inch

Ring bit K P114/10-61- ring bit R2 2,5

10,0 61 125 93 mmX 8092 4013 93

0,39 2,40 4,92 3,65 inch

Casingshoe V P114/10-61-

casing shoe R3 2,010,0 61 125 93 mm

X 8092 4011 640,39 2,40 4,92 3,65 inch

Casingshoe V P114/8-61-

casing shoe

To be used also with P114/10-61 pilot bit and ring bit

2,08,0 61 125 93 mm

X 8092 4021 530,31 2,40 4,92 3,65 inch

Pilot bit P114/8-75-COP32 8,08,0 75 125 93 mm

X 8092 4021 540,31 2,95 4,92 3,65 inch

Pilot bit D P114/8-75-COP34 8,08,0 75 129 93 mm

X 8092 4021 55 0,31 2,95 5,08 3,65 inch

Pilot bit D P114/8-75-DHD3.5 8,0

8,0 75 129 93 mmX 8092 4021 56

0,31 2,95 5,08 3,65 inch

Ring bit set R P114/10-75- ring bit set

To be used with P114/8-75 pilot bitR1, R3

4,010,0 75 129 93 mm

X 8092 4017 350,39 2,95 5,08 3,65 inch

Casing 139,7 mm (5 1/2")

Pilot bit A P140/10-82-COP44/DHD340 10,0

10,0 82 151 117 mmX 80924 010 90

0,39 3,23 5,94 4,61 inch

Pilot bit A P140/10-82-COP42 10,0

10,0 82 151 117 mmX 8092 4016 07

0,39 3,23 5,94 4,61 inch

Pilot bit A P140/10-82-QL40 10,010,0 82 151 117 mm

X 8092 4015 210,39 3,23 5,94 4,61 inch

Pilot bit A P140/10-82-SD4 10,010,0 82 151 117 mm

X 8092 4023 180,39 3,23 5,94 4,61 inch


Permanent / DTH

14




e pa

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r Ø Weight (kg) Ca

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Ring bit

Pilot bit

Unit

Main applications

PartnumberIn

ner Ø

Out

er Ø

Out

er Ø

Foun

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Wel

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continuing from previous page


10,0 82 151 117 mmX 8092 4011 43

0,39 3,23 5,94 4,61 inch

Casing shoe V P140/10-82- casing shoe 2,5

10,0 82 151 117 mmX 8092 4011 67

0,39 3,23 5,94 4,61 inch

Casing shoe V P140/8-82- casing shoe

to be used with P140/10-82 pilot bit and ring bit

2,58,0 82 151 117 mm

X 8092 4021 700,31 3,23 5,94 4,61 inch

Pilot bit J P140/10-100-COP44/DHD340 13,0

10,0 100 159 117 mmX 8092 4020 68

0,39 3,94 6,26 4,61 inch

Pilot bit J P140/10-100-COP42 13,0

10,0 100 159 117 mmX 8092 4021 67

0,39 3,94 6,26 4,61 inch

Pilot bit J P140/10-100-QL40 13,010,0 100 159 117 mm

X 8092 4021 680,39 3,94 6,26 4,61 inch

Pilot bit J P140/10-100-SD4 13,010,0 100 159 117 mm

X 8092 4023 170,39 3,94 6,26 4,61 inch

Ring bit set U P140/10-100- ring bit set R1 R3 4,0

10,0 100 159 117 mmX 8092 4020 69

0,39 3,94 6,26 4,61 inch

Pilot bit D P140/5-115-COP44/DHD340 X 14,0

5,0 115 159 128 mmX 8092 4008 01

0,2 4,53 6,26 5,02 inch

Pilot bit D P140/5-115-COP42 X 14,0

5,0 115 159 128 mmX 80924 008 00

0,2 4,53 6,26 5,02 inch

Pilot bit D P140/5-115-QL40 X 14,05,0 115 159 128 mm

X 8092 4014 940,2 4,53 6,26 5,02 inch

Pilot bit D P140/5-115-SD4 X 14,05,0 115 159 128 mm

X 8092 4016 500,2 4,53 6,26 5,02 inch

Ring bit set O P140/5-115- ring bit set R1 X 3,5

5,0 115 159 128 mmX 8092 4018 93

0,2 4,53 6,26 5,02 inch

Casing 152,4 mm (6")

Pilot bit A P152/10-94-COP44/DHD340 14,0

10,0 94 162 129 mmX 8092 4010 97

0,39 3,70 6,38 5,09 inch


Permanent / DTH

15




e pa

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r Ø Weight (kg) Ca

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Ring bit

Pilot bit

Unit

Main applications

PartnumberIn

ner Ø

Out

er Ø

Out

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Foun

datio

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Wel

l dr

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g


Pilot bit A P152/10-94-QL40 14,010,0 94 162 129 mm

X 8092 4015 220,39 3,70 6,38 5,09 inch

Pilot bit A P152/10-94-SD4 14,010,0 94 162 129 mm

X 8092 4023 200,39 3,70 6,38 5,09 inch


10,0 94 162 129 mmX 8092 4013 02

0,39 3,70 6,38 5,09 inch

Casing shoe V P152/10-94-

casing shoe 2,510,0 94 162 129 mm

X 8092 4011 680,39 3,70 6,38 5,09 inch

Casing 168,3 mm (6 5/8")

Pilot bit A P168/12.7-103-COP54/DHD350 20,0

12,7 103 179 140 mmX 8092 4014 35

0,5 4,06 7,05 5,51 inch

Pilot bit A P168/12.7-103-QL50 20,0

12,7 103 179 140 mmX 8092 4021 81

0,5 4,06 7,05 5,51 inch

Pilot bit A P168/12.7-103-SD5 20,0

12,7 103 179 140 mmX 8092 4017 62

0,5 4,06 7,05 5,51 inch

Ring bit K P168/12.7-103-ring bit 4,5

12,7 103 179 140 mmX 8092 4016 22

0,5 4,06 7,05 5,51 inch

Casing shoe V P168/12.7-103-casing shoe 2,5

12,7 103 179 140 mmX 8092 4020 66

0,5 4,06 7,05 5,51 inch

Casing shoe VP168/10-103-casing shoe

to be used with P168/12.7-103 pilot bit and ring bit

2,510,0 103 179 140 mm

X 8092 4020 670,39 4,06 7,05 5,51 inch

Casing shoe VP168/8-103-casing shoe


2,58,0 103 179 140 mm

X 8092 4021 820,31 4,06 7,05 5,51 inch

Pilot bit J P168/12.7-125-COP54/DHD350 23,0

12,7 125 188 141 mmX 8092 4020 70

0,5 4,92 7,40 5,55 inch

Pilot bit J P168/12.7-125-QL50 23,0

12,7 125 188 141 mmX 8092 4021 77

0,5 4,92 7,40 5,55 inch

Pilot bit J P168/12.7-125-SD5 23,0

12,7 125 188 141 mmX 8092 4023 21

0,5 4,92 7,40 5,55 inch


Permanent / DTH

16



Permanent / DTH


e pa

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Ring bit

Pilot bit

Unit

Main applications

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Ring bit set U P168/12.7-125-ring bit set R1 6,0

12,7 125 188 141 mmX 8092 4020 71

0,50 4,92 7,40 5,55 inch

Pilot bit C P168/7-140-COP54/DHD350 X 24,0

7,0 140 198 152 mmX 8092 4005 88

0,28 5,51 7,80 5,98 inch

Pilot bit C P168/7-140-COP52 X 24,0

7,0 140 198 152 mmX 8092 4021 80

0,28 5,51 7,80 5,98 inch

Pilot bit C P168/7-140-QL50 X 24,07,0 140 198 152 mm

X 8092 4014 970,28 5,51 7,80 5,98 inch

Pilot bit C P168/7-140-SD5 X 24,07,0 140 198 152 mm

X 8092 4005 890,28 5,51 7,80 5,98 inch

Ring bit set N P168/7-140- ring bit set R1 X 10,0

7,0 140 198 152 mmX 8092 4006 22

0,28 5,51 7,80 5,98 inch

Pilot bit D P168/5.5-140-COP54/DHD350 X 24,0

5,5 140 188 155 mmX 8092 4008 02

0,22 5,51 7,40 6,10 inch

Pilot bit D P168/5.5-140-COP52 X 24,0

5,5 140 188 155 mmX 809 24014 15

0,22 5,51 7,40 6,10 inch

Pilot bit D P168/5.5-140-QL50 X 24,0

5,5 140 188 155 mmX 8092 4014 44

0,22 5,51 7,40 6,10 inch

Pilot bit D P168/5.5-140-SD5 X 24,05,5 140 188 155 mm

X 8092 4016 510,22 5,51 7,40 6,10 inch

Ring bit set O P168/5.5-140- ring bit set R1 X 5,0

5,5 140 188 155 mmX 8092 4018 94

0,22 5,51 7,40 6,10 inch


Pilot bit A P178/12.7-114-COP54/DHD350 25,0

12,7 114 187 150 mmX 8092 4011 07

0,50 4,49 7,36 5,91 inch

Pilot bit A P178/12.7-114-QL50 25,0

12,7 114 187 150 mmX 8092 4011 08

0,50 4,49 7,36 5,91 inch

Pilot bit A P178/12.7-114-SD5 25,0

12,7 114 187 150 mmX 8092 4017 44

0,50 4,49 7,36 5,91 inch


17



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Ring bit K P178/12.7-114-ring bit R2 5,0

12,7 114 187 150 mmX 8092 4018 05

0,50 4,49 7,36 5,91 inch


12,7 114 187 150 mmX 8092 4011 72

0,50 4,49 7,36 5,91 inch

Casing shoe V P178/10-114-casing shoe


2,510,0 114 187 150 mm

X 8092 4022 160,39 4,49 7,36 5,91 inch

Welding ring W P178/12.7-114-welding ring R5 1,0

10,0 114 187 150 mmX 8092 4021 30

0,39 4,49 7,36 5,91 inch

Pilot bit J P178/12.7-131-COP54/DHD350 33,0

12,7 131 196 150 mmX 8092 4021 86

0,50 5,16 7,72 5,91 inch

Pilot bit J P178/12.7-131-QL50 33,0

12,7 131 196 150 mmX 8092 4022 17

0,50 5,16 7,72 5,91 inch

Pilot bit J P178/12.7-131-SD5 33,0

12,7 131 196 150 mmX 8092 4023 23

0,50 5,16 7,72 5,91 inch


12,7 131 196 150 mmX 8092 4022 18

0,50 5,16 7,72 5,91 inch

Pilot bit C P178/7-153-DHD360 35,0

7,0 153 196 162 mmX 8092 4005 90

0,28 6,02 7,72 6,39 inch

Pilot bit C P178/7-153-QL60 35,07,0 153 196 162 mm

X 8092 4005 930,28 6,02 7,72 6,39 inch

Pilot bit C P178/7-153-SD6 35,07,0 153 196 162 mm

X 8092 4005 920,28 6,02 7,72 6,39 inch

Ring bit set N P178/7-153- ring bit set R1 6,5

7,0 153 196 162 mmX 8092 4006 24

0,28 6,02 7,72 6,39 inch

Casing 193,7 mm (7 5/8")

Pilot bit A P194/12.7-127-DHD360 35,0

12,7 127 206 165 mmX 8092 4011 10

0,50 5,00 8,11 6,50 inch

Pilot bit A P194/12.7-127-QL60 35,0

12,7 127 206 165 mmX 8092 4022 25

0,50 5,00 8,11 6,50 inch


18



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Pilot bit A P194/12.7-127-SD6 35,0

12,7 127 206 165 mmX 8092 4023 24

0,50 5,00 8,11 6,50 inch


12,7 127 206 165 mmX 8092 4011 53

0,50 5,00 8,11 6,50 inch


12,7 127 206 165 mmX 8092 4011 73

0,50 5,00 8,11 6,50 inch


12,7 127 206 165 mmX 8092 4021 89

0,50 5,0 8,11 6,50 inch

Pilot bit J P194/12.7-147-DHD360 35,0

12,7 147 214 166 mmX 8092 4022 26

0,50 5,79 8,43 6,54 inch

Pilot bit J P194/12.7-147-QL60 35,0

12,7 147 214 166 mmX 8092 4022 27

0,50 5,79 8,43 6,54 inch

Pilot bit J P194/12.7-147-SD6 35,0

12,7 147 214 166 mmX 8092 4023 25

0,50 5,79 8,43 6,54 inch


12,7 147 214 166 mmX 8092 4022 28

0,50 5,79 8,43 6,54 inch

Pilot bit D P194/5.5-165-DHD360 X 37,0

5,5 165 215 180 mmX 8092 4025 15

0,22 6,50 8,46 7,09 inch

Pilot bit D P194/5.5-165-QL60 X 37,0

5,5 165 215 180 mmX 8092 4022 29

0,22 6,50 8,46 7,09 inch

Pilot bit D P194/5.5-165-SD6 X 37,05,5 165 215 180 mm

X 8092 4023 260,22 6,50 8,46 7,09 inch

Ring bit set O P194/5.5-165- ring bit set R1 X 7,0

5,5 165 215 180 mm8092 4025 16

0,22 6,50 8,46 7,09 inch

Casing 219,1 mm (8 5/8")

Pilot bit A P219/12.7-146-DHD360 45,0

12,7 146 231 190 mmX 8092 4011 11

0,50 5,75 9,09 7,48 inch

Pilot bit A P219/12.7-146-QL60 45,0

12,7 146 231 190 mmX 8092 4015 25

0,50 5,75 9,09 7,48 inch

Pilot bit A P219/12.7-146-SD6 45,0

12,7 146 231 190 mmX 8092 4020 30

0,50 5,75 9,09 7,48 inch


12,7 146 231 190 mmX 8092 4011 54

0,50 5,75 9,09 7,48 inch


19



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12,7 146 231 190 mm

X 8092 4011 740,50 5,75 9,09 7,48 inch



3,010,0 146 231 190 mm

X 8092 4022 310,39 5,75 9,09 7,48 inch


12,7 146 231 190 mmX 8092 4021 91

0,50 5,75 9,09 7,48 inch

Pilot bit C P219/6.5-190-DHD360 X 45,0

6,5 190 246 202 mmX 8092 4005 96

0,26 7,48 9,70 7,95 inch

Pilot bit C P219/6.5-190-QL60 X 45,0

6,5 190 246 202 mmX 8092 4015 05

0,26 7,48 9,70 7,95 inch

Pilot bit C P219/6.5-190-SD6 X 45,06,5 190 246 202 mm

X 8092 4014 780,26 7,48 9,70 7,95 inch

Ring bit set N P219/6.5-190- ring bit set R1 X 13,0

6,5 190 246 202 mmX 8092 4006 30

0,26 7,48 9,70 7,95 inch

Casing 244,5 mm (9 5/8")

Pilot bit A P245/12.7-162-DHD360 65,0

12,7 162 258 212 mmX 8092 4022 33

0,50 6,38 10,16 8,35 inch

Pilot bit A P245/12.7-162-DHD380 65,0

12,7 162 258 212 mmX 809 24022 34

0,50 6,38 10,16 8,35 inch

Pilot bit A P245/12.7-162-QL60 65,0

12,7 162 258 212 mmX 8092 4018 74

0,50 6,38 10,16 8,35 inch

Pilot bit A P245/12.7-162-QL80 65,0

12,7 162 258 212 mmX 8092 4019 27

0,50 6,38 10,16 8,35 inch

Pilot bit A P245/12.7-162-SD6 65,0

12,7 162 258 212 mmX 8092 4023 28

0,50 6,38 10,16 8,35 inch

Pilot bit A P245/12.7-162-SD8 65,0

12,7 162 258 212 mmX 8092 4023 29

0,50 6,38 10,16 8,35 inch


12,7 162 258 212 mmX 8092 4018 75

0,50 6,38 10,16 8,35 inch


20



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12,7 162 258 212 mmX 8092 4018 76

0,50 6,38 10,16 8,35 inch


to be used with P245/12.7-162 pilot bit, ring bit and welding ring

4,012,7 162 258 212 mm

X 8092 4022 360,50 6,38 10,16 8,35 inch


to be used with P245/ 12.7-162 pilot bit and ring bit and welding ring

4,012,7 162 258 212 mm

X 8092 4022 380,50 6,38 10,16 8,35 inch


12,7 162 258 212 mmX 8092 4021 93

0,50 6,38 10,16 8,35 inch

Casing 273,0 mm (10 3/4")

Pilot bit A P273/12.7-193-DHD380 85,0

12,7 193 291 241 mmX 8092 4011 12

0,50 7,60 11,46 9,48 inch

Pilot bit A P273/12.7-193-QL80 85,0

12,7 193 291 241 mmX 8092 4015 26

0,50 7,60 11,46 9,48 inch

Pilot bit A P273/12.7-193-SD8 85,0

12,7 193 291 241 mmX 8092 4011 13

0,50 7,60 11,46 9,48 inch


12,7 193 291 241 mmX 8092 4011 56

0,50 7,60 11,46 9,48 inch


12,7 193 291 241 mmX 8092 4011 75

0,50 7,60 11,46 9,48 inch



5,010,0 193 291 241 mm

X 8092 4022 420,39 7,60 11,46 9,48 inch



5,08,0 193 291 241 mm

X 8092 4023 870,31 7,60 11,46 9,48 inch

Welding ring W P273/12.7-193- welding ring R5 2,5

12,7 193 291 241 mmX 8092 4021 94

0,50 7,60 11,46 9,48 inch

Pilot bit C P273/8-240-DHD380 X 85,0

8,0 240 298 254 mmX 8092 4006 02

0,31 9,45 11,73 10,0 inch

Pilot bit C P273/8-240-QL80 X 85,08,0 240 298 254 mm

X 8092 4015 110,31 9,45 11,73 10,0 inch


21



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Pilot bit C P273/8-240-SD8 X 85,08,0 240 298 254 mm

X 8092 4023 310,31 9,45 11,73 10,0 inch


8,0 240 298 254 mmX 8092 4006 34

0,31 9,45 11,73 10,0 inch

Casing 323,9 mm (12 3/4")

Pilot bit A P324/14.2-240-DHD380 13,0

14,2 240 339 339 mmX 8092 4018 16

0,56 9,45 13,35 11,32 inch

Pilot bit A P324/14.2-240-QL80 13,0

14,2 240 339 339 mmX 8092 4022 44

0,56 9,45 13,35 11,32 inch

Pilot bit A P324/14.2-240-SD8 13,0

14,2 240 339 339 mmX 8092 4023 32

0,56 9,45 13,35 11,32 inch


14,2 240 339 339 mmX 8092 4018 10

0,56 9,45 13,35 11,32 inch


14,2 240 339 339 mmX 8092 4018 17

0,56 9,45 13,35 11,32 inch

Casing shoe V P324/12,7-240-casing shoe


6,012,7 240 339 339 mm

X 8092 4022 450,50 9,45 13,35 11,32 inch



6,010,0 240 339 339 mm

X 8092 4022 460,39 9,45 13,35 11,32 inch



6,08,0 240 339 339 mm

X 8092 4022 470,31 9,45 13,35 11,32 inch


14,2 240 339 288 mm

X 8092 4021 950,56 9,45 13,35 11,32 inch

Pilot bit C P324/10-282-DHD380 130,0

10,0 282 350 298 mm

X 8092 4014 800,39 11,10 13,78 11,73 inch

Pilot bit C P324/10-282-QL80 130,010,0 282 350 298 mm

X 8092 4015 200,39 11,10 13,78 11,73 inch


22



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Pilot bit C P324/10-282-SD8 130,010,0 282 350 298 mm

X 8092 4014 810,39 11,10 13,78 11,73 inch


10,0 282 350 298 mmX 8092 4014 82

0,39 11,10 13,78 11,73 inch

Casing 406,4 mm (16")

Pilot bit A P406/16-328-DHD112 240,0

16,0 328 420 370 mmX 8092 4019 96

0,63 12,91 16,54 14,57 inch

Pilot bit A P406/16-328-QL120 240,0

16,0 328 420 370 mmX 8092 4022 49

0,63 12,91 16,54 14,57 inch

Pilot bit A P406/16-328-SD12 240,0

16,0 328 420 370 mmX 8092 4022 50

0,63 12,91 16,54 14,57 inch

Pilot bit A P406/16-328-NUMA120 240,0

16,0 328 420 370 mmX 8092 402 251

0,63 12,91 16,54 14,57 inch


16,0 328 420 370 mmX 8092 4011 58

0,63 12,91 16,54 14,57 inch

Casing shoe V P406/16-328-casing shoe 7,0

16,0 328 420 370 mmX 8092 4011 77

0,63 12,91 16,54 14,57 inch

Casing shoe V P406/12,7-328-casing shoe

to be used with P406/16-328 pilot bit, ring bit and welding ring

7,012,7 328 420 370 mm

X 8092 4022 520,50 12,91 16,54 14,57 inch


to be used with P406/ 16-328 pilot bit and ring bit and welding ring

7,010,0 328 420 370 mm

X 8092 4022 530,9 12,91 16,54 14,57 inch

Welding ring W P406/16-328-welding ring R5 4,0

16,0 328 420 370 mm

X 8092 4021 970,63 12,91 16,54 14,57 inch

Pilot bit C P406/12.7-364-DHD112 X 250,0

12,7 364 428 379 mm

X 8092 4020 220,50 14,33 16,85 14,92 inch

Pilot bit C P P406/12.7-364-QL120 R1 X 250,0

12,7 364 428 379 mm

X 8092 4023 330,50 14,33 16,85 14,92 inch


23



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Pilot bit C P406/12.7-364-SD12 X 250,0

12,7 364 428 379 mmX 8092 4019 31

0,50 14,33 16,85 14,92 inch

Ring bit set N P406/12.7-364-ring bit set R1 X 50,0

12,7 364 428 379 mmX 8092 4019 09

0,50 14,33 16,85 14,92 inch

Casing 457,2 mm (18")

Pilot bit A P457/12.7-378-DHD112S 300,0

12,7 378 468 425 mmX 8092 4022 59

0,50 14,88 18,43 16,75 inch

Pilot bit A P457/12.7-378-QL120 300,0

12,7 378 468 425 mmX 8092 4022 60

0,50 14,88 18,43 16,75 inch

Pilot bit A P457/12.7-378-SD12 300,0

12,7 378 468 425 mmX 8092 4013 94

0,50 14,88 18,43 16,75 inch


12,7 378 468 425 mmX 8092 4013 95

0,50 14,88 18,43 16,75 inch


12,7 378 468 425 mmX 8092 4017 48

0,50 14,88 18,43 16,75 inch



9,010,0 378 468 425 mm

X 8092 4022 630,39 14,88 18,43 16,75 inch


12,7 378 468 425 mmX 8092 4021 99

0,50 14,88 18,43 16,75 inch

Pilot bit C P457/14.2-408-DHD112S X 340,0

14,2 408 475 407 mmX 8092 4022 66

0,56 16,06 18,70 16,02 inch

Pilot bit C P457/14.2-408-QL120 X 340,0

14,2 408 475 407 mmX 8092 4022 65

0,56 16,06 18,70 16,02 inch

Pilot bit C P457/14.2-408-NUMA120S X 340,0

14,2 408 475 407 mmX 8092 4019 97

0,56 16,06 18,70 16,02 inch

Pilot bit C P457/14.2-408-SD12 X 340,0

14,2 408 475 407 mmX 8092 4023 34

0,56 16,06 18,70 16,02 inch

Ring bit set N P457/14.2-408-ring bit set R1 X 46,0

14,2 408 475 407 mmX 8092 4019 98

0,56 16,06 18,70 16,02 inch


24




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Casing 508,0 mm (20")

Pilot bit A P508/16-423-DHD112S 350,0

16,0 423 520 471 mmX 8092 4022 73

0,63 16,65 20,47 18,54 inch

Pilot bit A P508/16-423-QL120 350,0

16,0 423 520 471 mmX 8092 4022 74

0,63 16,65 20,47 18,54 inch

Pilot bit A P508/16-423-QL200 350,0

16,0 423 520 471 mmX 8092 4022 75

0,63 16,65 20,47 18,54 inch

Pilot bit A P508/16-423-NUMA180 350,0

16,0 423 520 471 mmX 8092 4022 76

0,63 16,65 20,47 18,54 inch

Pilot bit A P508/16-423-SD18 350,0

16,0 423 520 471 mmX 8092 4022 77

0,63 16,65 20,47 18,54 inch


16,0 423 520 471 mmX 8092 4023 97

0,63 16,65 20,47 18,54 inch


16,0 423 520 471 mmX 8092 4022 78

0,63 16,65 20,47 18,54 inch

Casing shoe V P508/12.7-423-casing shoe


10,016,0 423 520 471 mm

X 8092 4023 980,63 16,65 20,47 18,54 inch


to be used with P508/16-423 pilot and ring and welding ring

10,012,7 423 520 471 mm

X 8092 4022 790,50 423 520 471 inch


10,0 423 520 471 mmX 8092 4022 01

0,39 423 520 471 inch

Pilot bit C P508/16-447-DHD112S X 400,0

16,0 447 518 464 mmX 8092 4022 80

0,63 17,60 20,39 18,27 inch

Pilot bit C P508/16-447-QL120 X 400,0

16,0 447 518 464 mmX 8092 4022 81

0,63 17,60 20,39 18,27 inch

Pilot bit C P508/16-447-SD12 X 400,0

16,0 447 518 464 mmX 8092 4023 37

0,63 17,60 20,39 18,27 inch


16,0 447 518 464 mmX 8092 4022 82

0,63 17,60 20,39 18,27 inch

Permanent / DTHSymmetrix overburden drilling system

25




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Casing 558,8 mm (22")

Pilot bit A P559/12.7-477-QL200 450,0

12,7 477 570 527 mmX 8092 4015 31

0,50 18,75 22,44 20,75 inch

Pilot bit A P559/12.7-477-NUMA180 450,0

12,7 477 570 527 mmX 8092 40111 8

0,50 18,75 22,44 20,75 inch

Pilot bit A P559/12.7-477-SD18 450,0

12,7 477 570 527 mmX 8092 4023 38

0,50 18,75 22,44 20,75 inch


12,7 477 570 527 mmX 8092 4011 59

0,50 18,78 22,44 20,75 inch


12,7 477 570 527 mmX 8092401178

0,50 18,78 22,44 20,75 inch


12,7 477 570 527 mmX 8092 4022 03

0,50 18,78 22,44 20,75 inch

Casing 609,6 mm (24")

Pilot bit A P610/16-521-QL200 550,0

16,0 521 622 572 mmX 8092 4022 94

0,63 20,51 24,49 22,50 inch

Pilot bit A P610/16-521-NUMA180 550,0

16,0 521 622 572 mmX 8092 4017 97

0,63 20,51 24,49 22,50 inch

Pilot bit A P610/16-521-SD18 550,0

16,0 521 622 572 mmX 8092 4023 40

0,63 20,51 24,49 22,50 inch


16,0 521 622 572 mmX 8092 402010

0,63 20,51 24,49 22,50 inch


16,0 521 622 572 mmX 8092 4022 62

0,63 20,51 24,49 22,50 inch



13,014,2 521 622 572 mm

X 8092 4013 700,56 20,51 24,49 22,50 inch


to be used with P610/16-521 pilot and ring bit and welding ring

13,012,7 521 622 572 mm

X 8092 4024 000,56 20,51 24,49 22,50 inch


16,0 521 622 572 mm

X 8092 4023 890,63 20,51 24,49 22,50 inch


26




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Pilot bit C P610/16-553-QL200 550,0

16,0 553 628 552 mmX 8092 4022 95

0,63 21,77 24,72 21,72 inch

Pilot bit C P610/16-553-NUMA180 550,0

16,0 553 628 552 mmX 8092 4022 96

0,63 21,77 24,72 21,72 inch

Pilot bit C P610/16-553-SD18 550,0

16,0 553 628 552 mmX 8092 4023 41

0,63 21,77 24,72 21,72 inch


16,0 553 628 552 mmX 8092 4022 97

0,63 21,77 24,72 21,72 inch

Casing 660,4 mm (26")

Pilot bit A P660/16-567-QL200 620,0

16,0 567 680 622 mmX 8092 4013 09

0,63 22,32 23,77 24,49 inch


16,0 567 680 622 mmX 8092 4013 10

0,63 22,32 23,77 24,49 inch


16,0 567 680 622 mmX 8092 4013 11

0,63 22,32 23,77 24,49 inch


16,0 567 680 622 mmX 8092 4023 53

0,63 22,32 23,77 24,49 inch

Casing 711,2 mm (28")

Pilot bit A P711/16-614-QL200S 690,0

16,0 614 729 670 mmX 8092 4023 55

0,63 24,17 28,70 26,39 inch

Pilot bit A P711/16-614-NUMA180 690,0

16,0 614 729 670 mmX 8092 4023 93

0,63 24,17 28,70 26,39 inch

Pilot bit A P711/16-614-SD18 690,0

16,0 614 729 670 mmX 8092 4023 56

0,63 24,17 28,70 26,39 inch


16,0 614 729 670 mmX 8092 4023 92

0,63 24,17 28,70 26,39 inch


16,0 614 729 670X 8092 4023 91

0,63 24,17 28,70 26,39



20,012,7 614 729 670 mm

X 8092 4023 570,50 24,17 28,70 26,39 inch


27




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16,0 614 729 670 mmX 8092 4023

580,63 24,17 28,70 26,39 inch

Pilot bit C P711/16-644-QL200 X 690,0

16,0 644 732 667 mmX 8092 4022

990,63 25,35 28,83 26,26 inch

Ring bit set N P711/16-644-ring bit set R1 X 130,0

16,0 644 732 667 mmX 8092 4023

000,63 25,35 28,83 26,26 inch

Casing 762,0 mm (30")

Pilot bit A P762/16-669-QL200S 900,0

16,0 669 781 724 mmX 8092 4023

590,63 26,34 30,75 28,50 inch


16,0 669 781 724 mmX 8092 4023

050,63 26,34 30,75 28,50 inch


16,0 669 781 724 mmX 8092 4023

060,63 26,34 30,75 28,50 inch


16,0 669 781 724 mmX 8092 4022

080,63 26,34 30,75 28,50 inch

Casing 812,8 mm (32")

Pilot bit A P813/16-709-QL200S 1000,0

16,0 709 830 769 mmX 8092 4023

600,63 27,91 32,68 30,28 inch


16,0 709 830 769 mmX 8092 4024

090,63 27,91 32,68 30,28 inch


16,0 709 830 769 mmX 8092 4023

610,63 27,91 32,68 30,28 inch



30,016,0 709 830 769 mm

X 8092 4023 620,53 27,91 32,68 30,28 inch


16,0 709 830 769 mmX 8092 4023

630,53 27,91 32,68 32,68 inch

Pilot bit C P813/16-738-QL200 X 1000,0

16,0 738 838 763 mmX 8092 4023

640,53 29,06 32,98 30,03 inch


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Ring bit set W P813/16-738- ring bit set R1 X 150,0

16,0 738 838 763 mmX 8092 4023 08

0,53 29,06 32,98 30,03 inch

Casing 914,4 mm (36")

Pilot bit A P914/16-818-QL200S 140,0

16,0 818 932 851 mmX 8092 4013 15

0,36 32,20 36,69 33,50 inch


16,0 818 932 851 mmX 8092 4013 16

0,36 32,20 36,69 33,50 inch


16,0 818 932 851 mmX 8092 4013 17

0,36 32,20 36,69 33,50 inch



40,014,2 818 932 851 mm

X 8092 4023 090,56 32,20 36,69 33,50 inch


16,0 818 932 851 mmX 8092 4022 10

0,36 32,20 36,69 33,50 inch

Pilot bit C P914/16-838-QL200S X 140,0

16,0 838 947 864 mmX 8092 4023 66

0,36 32,99 37,30 34,03 inch


16,0 838 947 864 mmX 8092 4023 67

0,36 32,99 37,30 34,03 inch

Casing 1016 mm (40")

Pilot bit A P1016/16-913-QL300 2000,0

16,0 913 1033 973 mmX 8092 4023 68

0,63 35,94 40,67 38,31 inch

Ring bit K P1016/16-913-ring bit R2 100,0

16,0 913 1033 973 mmX 8092 4023 10

0,63 35,94 40,67 38,31 inch


16,0 913 1033 973 mmX 8092 4023 11

0,63 35,94 40,67 38,31 inch

Casing shoe VP1016/14.2-913-casing shoe

to be used with P1016/16-913 pilot and ring and welding ring

50,014,2 913 1033 973 mm

X 8092 4023 120,56 35,94 40,67 38,31 inch


16,0 913 1033 973 mmX 8092 4022 12

0,63 35,94 40,67 38,31 inch

29




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Casing 139,7 mm (5 1/2")

Pilot bit I P140/10-85-COP44/DHD340 10,0

10,0 85 151 116 mmX 809 24008 14

0,39 3,35 5,94 4,57 inch

Pilot bit I P140/10-85-QL40 10,010,0 85 151 116 mm

X 8092 4021 710,39 3,35 5,94 4,57 inch

Pilot bit I P140/10-85-SD4 10,010,0 85 151 116 mm

X 8092 4023 190,39 3,35 5,94 4,57 inch

Ring bit T P140/10-85- ring bit R2 8,0

10,0 85 151 116 mmX 8092 4020 35

0,39 3,35 5,94 4,57 inch

Casing shoe X P140/10-85-casing shoe 2,0

10,0 85 151 116 mmX 8092 4021 72

0,39 3,35 5,94 4,57 inch

Casing shoe X P140/6.3-85-casing shoe


2,06,3 85 151 116 mm

X 8092 4021 730,25 3,35 5,94 4,57 inch

Welding ring Y P140/10-85-welding ring R5 1,0

10,0 85 151 116 mmX 8092 4021 74

0,39 3,35 5,94 4,57 inch

Casing 168,3 mm (6 5/8")

Pilot bit I P168/10-108-COP54/DHD350 24,0

10,0 108 183 144 mmX 8092 4008 16

0,39 4,25 7,20 5,68 inch

Pilot bit I P168/10-108-QL50 24,010,0 108 183 144 mm

X 8092 4021 830,39 4,25 7,20 5,68 inch

Pilot bit I P168/10-108-SD5 24,010,0 108 183 144 mm

X 8092 4023 220,39 4,25 7,20 5,68 inch


10,0 108 183 144 mmX 80924 008 63

0,39 4,25 7,20 5,68 inch


10,0 108 183 144 mmX 8092 4009 13

0,39 4,25 7,20 5,68 inch



2,56,3 108 183 144 mm

X 8092 4021 840,25 4,25 7,20 5,68 inch


10,0 108 183 144 mmX 809 24023 88

0,39 4,25 7,20 5,68 inch

Permanent / DTH / Heavy dutySymmetrix overburden drilling system

30




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Casing 193,7 mm (7 5/8")

Pilot bit I P194/10-131-DHD360 30,0

10,0 131 213 169 mmX 8092 4008 18

0,39 5,16 8,37 6,65 inch

Pilot bit I P194/10-131-QL60 30,010,0 131 213 169 mm

X 8092 4022 300,39 5,16 8,37 6,65 inch

Pilot bit I P194/10-131-SD6 30,010,0 131 213 169 mm

X 8092 4023 270,39 5,16 8,37 6,65 inch


10,0 131 213 169 mmX 809 24009 35

0,39 5,16 8,37 6,65 inch


10,0 131 213 169 mmX 8092 4009 36

0,39 5,16 8,37 6,65 inch


10,0 131 213 169 mmX 8092 4021 90

0,39 5,16 8,37 6,65 inch

Casing 219,1 mm (8 5/8")

Pilot bit I P219/10-133-DHD360 45,0

10,0 133 242 196 mmX 8092 4008 22

0,39 5,24 9,53 7,70 inch

Pilot bit I P219/10-133-QL60 45,010,0 133 242 196 mm

X 8092 4008 250,39 5,24 9,53 7,70 inch

Pilot bit I P219/10-133-SD6 45,010,0 133 242 196 mm

X 8092 4008 240,39 5,24 9,53 7,70 inch


10,0 133 242 196 mmX 8092 4008 71

0,39 5,24 9,53 7,70 inch


10,0 133 242 196 mmX 8092 4009 16

0,39 5,24 9,53 7,70 inch


10,0 133 242 196 mmX 8092 4021 92

0,39 5,24 9,53 7,70 inch

Casing 273,0 mm (10 3/4")

Pilot bit I P273/12.7-185-DHD380 90,0

127 185 294 245 mmX 8092 4008 30

0,50 7,28 11,57 9,65 inch

Pilot bit I P273/12.7-185-QL80 90,0

127 185 294 245 mmX 8092 4015 98

0,50 7,28 11,57 9,65 inch


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Pilot bit I P273/12.7-185-SD8 90,0

127 185 294 245 mmX 8092 4014 53

0,50 7,28 11,57 9,65 inch

Ring bit T P273/12.7-185-ring bit R2 28,0

127 185 294 245 mmX 8092 4008 78

0,50 7,28 11,57 9,65 inch

Casing shoe X P273/12.7-185-casing shoe 5,0

127 185 294 245 mmX 8092 4009 18

0,50 7,28 11,57 9,65 inch


to be used with P273/12.7-185 pilot and ring bit and welding ring

5,06,3 185 294 245 mm

X 8092 4022 430,25 7,28 11,57 9,65 inch

Welding ring Y P273/12.7-185-welding ring R5 2,5

12,7 185 294 245 mmX 8092 4023 45

0,50 7,28 11,57 9,65 inch

Casing 323,9 mm (12 3/4")

Pilot bit I P324/12.7-236-DHD380 130,0

12,7 236 346 295 mmX 8092 4008 35

0,50 9,29 13,62 11,61 inch

Pilot bit I P324/12.7-236-QL80 130,0

12,7 236 346 295 mmX 8092 4015 99

0,50 9,29 13,62 11,61 inch

Pilot bit I P324/12.7-236-SD8 130,0

12,7 236 346 295 mmX 8092 4008 36

0,50 9,29 13,62 11,61 inch


12,7 236 346 295 mmX 8092 4008 88

0,50 9,29 13,62 11,61 inch


12,7 236 346 295 mmX 8092 4009 22

0,50 9,29 13,62 11,61 inch



6,06,3 236 346 295 mm

X 8092 4022 480,25 9,29 13,62 11,61 inch


12,7 236 346 295 mmX 8092 4021 96

0,50 9,29 13,62 11,61 inch


32




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Casing 406,4 mm (16")

Pilot bit I P406/10-313-DHD112 250,0

10,0 313 438 378 mmX 8092 4008 37

0,39 12,32 17,24 14,88 inch

Pilot bit I P406/10-313-QL120 250,0

10,0 313 438 378 mmX 8092 4013 23

0,39 12,32 17,24 14,88 inch

Pilot bit I P406/10-313-SD12 250,0

10,0 313 438 378 mmX 8092 4008 38

0,39 12,32 17,24 14,88 inch

Pilot bit I P406/10-313-NUMA120 250,0

10,0 313 438 378 mmX 8092 4022 55

0,39 12,32 17,24 14,88 inch


10,0 313 438 378 mmX 8092 4008 95

0,39 12,32 17,24 14,88 inch


10,0 313 438 378 mmX 8092 4013 24

0,39 12,32 17,24 14,88 inch


10,0 313 438 378 mmX 8092 4021 98

0,39 12,32 17,24 14,88 inch

Casing 457,2 mm (18")

Pilot bit I P457/10-364-DHD112 300,0

10,0 364 489 427 mmX 8092 4008 44

0,39 14,33 19,25 16,80 inch

Pilot bit I P457/10-364-QL120 300,0

10,0 364 489 427 mmX 8092 4022 67

0,39 14,33 19,25 16,80 inch

Pilot bit I P457/10-364-NUMA120S 300,0

10,0 364 489 427 mmX 8092 4022 68

0,39 14,33 19,25 16,80 inch

Pilot bit I P457/10-364-SD12 300,0

10,0 364 489 427 mmX 8092 4023 35

0,39 14,33 19,25 16,80 inch


10,0 364 489 427 mmX 8092 4023 96

0,39 14,33 19,25 16,80 inch


10,0 364 489 427 mmX 8092 4009 28

0,39 14,33 19,25 16,80 inch


10,0 364 489 427 mmX 8092 4022 00

0,39 14,33 19,25 16,80 inch


33




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Casing 508,0 mm (20")

Pilot bit I P508/12.7-417-DHD112S 390,0

12,7 417 540 478 mmX 8092 4016 01

0,50 16,42 21,26 18,82 inch

Pilot bit I P508/12.7-417-QL120 390,0

12,7 417 540 478 mmX 8092 4022 83

0,50 16,42 21,26 18,82 inch

Pilot bit I P508/12.7-417-SD12 390,0

12,7 417 540 478 mmX 8092 4016 74

0,50 16,42 21,26 18,82 inch


12,7 417 540 478 mmX 8092 4023 99

0,50 16,42 21,26 18,82 inch


12,7 417 540 478 mm

X 8092 4009 290,50 16,42 21,26 18,82 inch

Casing shoe X P508/10-417-casing shoe


12,010,0 417 540 478 mm

X 8092 4022 840,39 16,42 21,26 18,82 inch


12,7 417 540 478 mmX 8092 4022 02

0,50 16,42 21,26 18,82 inch

Casing 609,6 mm (24")

Pilot bit I P610/12.7-515-DHD112S 550,0

12,7 515 640 578 mmX 8092 4008 48

0,50 20,28 25,20 22,76 inch

Pilot bit I P610/12.7-515-QL200 550,0

12,7 515 640 578 mmX 8092 4016 02

0,50 20,28 25,20 22,76 inch

Pilot bit I P610/12.7-515-NUMA180 550,0

12,7 515 640 578 mmX 8092 4008 51

0,50 20,28 25,20 22,76 inch

Pilot bit I P610/12.7-515-SD18 550,0

12,7 515 640 578 mmX 8092 4023 42

0,50 20,28 25,20 22,76 inch


12,7 515 640 578 mmX 8092 4009 00

0,50 20,28 25,20 22,76 inch

Casing shoe X P610/10-515-casing shoe


15,010,0 515 640 578 mm

X 8092 4009 320,39 20,28 25,20 22,76 inch


12,7 515 640 578 mmX 8092 4022 05

0,50 20,28 25,20 22,76 inch


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Casing 660,4 mm (26")

Pilot bit I P660/16-554-QL200 600,0

16,0 554 691 618 mmX 8092 4022 98

0,63 21,81 27,20 24,33 inch

Pilot bit I P660/16-554-NUMA180 600,0

16,0 554 691 618 mmX 8092 4024 04

0,63 21,81 27,20 24,33 inch

Pilot bit I P660/16-554-SD18 600,0

16,0 554 691 618 mmX 8092 4023 43

0,63 21,81 27,20 24,33 inch


16,0 554 691 618 mmX 8092 4024 05

0,63 21,81 27,20 24,33 inch


16,0 554 691 618 mmX 8092 4024 06

0,63 21,81 27,20 24,33 inch


16,0 554 691 618 mmX 8092 4022 06

0,63 21,81 27,20 24,33 inch

Casing 711,2 mm (28")

Pilot bit I P711/16-605-QL200S 780,0

16,0 605 742 669 mmX 8092 4023 01

0,63 23,82 29,21 26,35 inch


16,0 605 742 669 mmX 8092 4024 07

0,63 23,82 29,21 26,35 inch


16,0 605 742 669 mmX 8092 4024 08

0,63 23,82 29,21 26,35 inch


16,0 605 742 669 mmX 8092 4022 07

0,63 23,82 29,21 26,35 inch

Casing 812,8 mm (32")

Pilot bit I P813/16-710-QL200S 100,0

16,0 710 841 771 mmX 8092 4013 48

0,63 27,95 33,12 30,35 inch

Ring bit T P813/16-710-ring bit R2 170,0

16,0 710 841 771 mmX 8092 4013 50

0,63 27,95 33,12 30,35 inch


16,0 710 841 771 mmX 8092 4013 52

0,63 27,95 33,12 30,35 inch


16,0 710 841 771 mmX 8092 4022 09

0,63 27,95 33,12 30,35 inch

35





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Casing 914,4 mm (36")

Pilot bit I P914/16-811-QL200S 1400,0

16,0 811 943 872 mmX 8092 4013 49

0,63 31,93 37,13 34,33 inch


16,0 811 943 872 mmX 8092 4013 51

0,63 31,93 37,13 34,33 inch


16,0 811 943 872 mmX 8092 4013 53

0,63 31,93 37,13 34,33 inch


16,0 811 943 872 mmX 8092 4022 11

0,63 31,93 37,13 34,33 inch


Pilot bit I P1016/16-910-QL300 2100,0

16,0 910 1049 976 mmX 8092 4023 69

0,63 35,83 41,31 38,43 inch

Ring bit T P1016/16-910-ring bit R2 250,0

16,0 910 1049 976 mmX 8092 4023 14

0,63 35,83 41,31 38,43 inch


16,0 910 1049 976 mmX 8092 4023 15

0,63 35,83 41,31 38,43 inch


16,0 910 1049 976 mmX 8092 4022 13

0,63 35,83 41,31 38,43 inch

36




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Casing 168,3 mm (6 5/8")

Pilot bit E P168/12.7-124/139-COP54/DHD350 R4 X 15,0

12,7 124 182 139 mmX 8092 4013 64

0,50 4,88 7,17 5,47 inch

Pilot bit E P168/12.7-124/139-QL50 R4 X 15,0

12,7 124 182 139 mmX 8092 4015 77

0,50 4,88 7,17 5,47 inch

Ring bit set P P168/12.7-124/139-ring bit set R1 X 9,0

12,7 124 182 139 mmX 8092 4013 65

0,50 4,88 7,17 5,47 inch


Pilot bit E P178/12.7-134/150-COP54/DHD350 R4 X 35,0

12,7 134 192 150 mmX 8092 4015 78

0,50 5,28 7,56 5,91 inch

Pilot bit E P178/12.7-134/150-QL50 R4 X 35,0

12,7 134 192 150 mmX 8092 4015 79

0,50 5,28 7,56 5,91 inch

Ring bit set P P178/12.7-134/150- ring bit set R1 X 8,5

12,7 134 192 150 mmX 8092 4015 80

0,50 5,28 7,56 5,91 inch

Casing 193,7 mm (7 5/8")

Pilot bit E P194/12.7-146/165-DHD360 R4 X 25,0

12,7 146 212 165 mmX 8092 4015 81

0,50 5,75 8,35 6,50 inch

Pilot bit E P194/12.7-146/165-QL60 R4 X 25,0

12,7 146 212 165 mmX 8092 4015 82

0,50 5,75 8,35 6,50 inch


12,7 146 212 165 mmX 8092 4015 83

0,50 5,75 8,35 6,50 inch

Casing 219,1 mm (8 5/8")


12,7 172 237 191 mmX 8092 4010 47

0,50 6,77 9,33 7,52 inch

Pilot bit E P219/12.7-172/191-QL60 R4 X 35,0

12,7 172 237 191 mmX 8092 4022 32

0,50 6,77 9,33 7,52 inch


12,7 172 237 191 mmX 8092 4010 52

0,50 6,77 9,33 7,52 inch

Casing 244,5 mm (9 5/8")


12,7 194 268 214 mmX 8092 4022 39

0,50 7,64 10,55 8,43 inch

Permanent / DTH / Drill throughSymmetrix overburden drilling system

37




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12,7 194 268 214 mmX 8092 4022 40

0,50 7,64 10,55 8,43 inch

Pilot bit E P245/12.7-194/214-QL60 R4 X 40,0

12,7 194 268 214 mmX 8092 4016 27

0,50 7,64 10,55 8,43 inch

Pilot bit E P245/12.7-194/214-QL80 R4 X 40,0

12,7 194 268 214 mmX 8092 4017 41

0,50 7,64 10,55 8,43 inch


12,7 194 268 214 mmX 8092 4016 28

0,50 7,64 10,55 8,43 inch

Casing 254,0 mm (10")


12,7 203 276 224 mmX 8092 4023 84

0,50 7,99 10,87 8,82 inch

Pilot bit E P254/12.7-203/224-QL80 R4 X 75,0

12,7 203 276 224 mmX 8092 4023 85

0,50 7,99 10,87 8,82 inch


12,7 203 276 224 mmX 8092 4023 86

0,50 7,99 10,87 8,82 inch

Casing 273,0 mm (10 3/4")


12,7 222 295 243 mmX 8092 4013 66

0,50 8,74 11,61 9,57 inch

Pilot bit E P273/12.7-222/243-QL80 R4 X 90,0

12,7 222 295 243 mmX 8092 4015 85

0,50 8,74 11,61 9,57 inch


12,7 222 295 243 mmX 8092 4013 67

0,50 8,74 11,61 9,57 inch

Casing 323,9 mm (12 3/4")


12,7 272 350 294 mmX 8092 4015 86

0,50 10,71 13,78 11,57 inch

Pilot bit E P324/12.7-272/294-QL80 R4 X 150,0

12,7 272 350 294 mmX 8092 4015 87

0,50 10,71 13,78 11,57 inch


12,7 272 350 294 mmX 8092 4015 88

0,50 10,71 13,78 11,57 inch


38





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Casing 406,4 mm (16")


12,7 354 441 377 mmX 8092 4020 80

0,50 13,94 17,36 14,84 inch

Pilot bit E P406/12.7-354/377-QL120 R4 X 250,0

12,7 354 441 377 mmX 8092 4015 89

0,50 13,94 17,36 14,84 inch


12,7 354 441 377 mmX 8092 4010 54

0,50 13,94 17,36 14,84 inch

Casing 457,2 mm (18")

Pilot bit E P457/12.7-404/427-QL120 R4 X 380,0

12,7 404 491 427 mmX 8092 4015 90

0,50 15,91 19,33 16,81 inch

Pilot bit E P457/12.7-404/427-DHD112S R4 X 380,0

12,7 404 491 427 mmX 8092 4022 69

0,50 15,91 19,33 16,81 inch


12,7 404 491 427 mmX 8092 4014 13

0,50 15,91 19,33 16,81 inch

Casing 508,0 mm (20")

Pilot bit E P508/16-449/474-DHD112S R4 X 380,0

16,0 449 542 474 mmX 8092 4022 85

0,63 17,68 21,34 18,66 inch

Pilot bit E P508/16-449/474-QL120 R4 X 380,0

16,0 449 542 474 mmX 8092 4015 91

0,63 17,68 21,34 18,66 inch

Ring bit set P P508/16-449/474-ring bit set R1 X 80,0

16,0 449 542 474 mmX 8092 4015 92

0,63 17,68 21,34 18,66 inch

Casing 558,8 mm (22")

Pilot bit E P559/16-490/520-DHD112S R4 X 500,0

16,0 490 591 520 mmX 8092 4022 88

0,63 19,29 23,27 20,48 inch

Pilot bit E P559/16-490/520-QL200 R4 X 500,0

16,0 490 591 520 mmX 8092 4015 93

0,63 19,29 23,27 20,48 inch

Pilot bit E P559/16-490/520-NUMA180 R4 X 500,0

16,0 490 591 520 mmX 8092 4022 89

0,63 19,29 23,27 20,48 inch

Pilot bit E P559/16-490/520-SD18 R4 X 500,0

16,0 490 591 520 mmX 8092 4022 90

0,63 19,29 23,27 20,48 inch


16,0 490 591 520 mmX 8092 4015 94

0,63 19,29 23,27 20,48 inch

39




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Casing 609,6 mm (24")

Pilot bit E P610/16-540/571-QL200 R4 X 700,0

16,0 540 641 571 mmX 8092 4013 68

0,63 21,26 25,24 22,48 inch


16,0 540 641 571 mmX 8092 4013 69

0,63 21,26 25,24 22,48 inch

Casing 711,2 mm (28")

Pilot bit E P711/16-641/673-QL200S R4 X 800,0

16,0 641 743 673 mmX 8092 4023 02

0,63 25,24 29,25 26,50 inch


16,0 641 743 673 mmX 8092 4015 96

0,63 25,24 29,25 26,50 inch


40



Retrievable / Top hammerSymmetrix overburden drilling system


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Casing 88,9 mm (3 1/2"")

Pilot bit H R89/8-58-T38 X 3,08,0 58 95 71 mm

X 8092 4006 490,31 2,28 3,74 2,80 inch

Ring bit set S R89/8-58- ring bit set R3 X 3,5

8,0 58 95 71 mmX 8092 4007 37

0,31 2,28 3,74 2,80 inch

Casing 114,3 mm (4 1/2")

Pilot bit H R114/10-82-R32 X 4,010,0 82 122 92 mm

X 8092 4006 580,39 3,23 4,80 3,61 inch

Pilot bit H R114/10-82-T45 X 4,010,0 82 122 92 mm

X 8092 4006 510,39 3,23 4,80 3,61 inch

Ring bit set S R114/10-82- ring bit set R1 R3 X 4,5

10,0 82 122 92 mmX 8092 4007 40

0,39 3,23 4,80 3,61 inch

Casing 133,4 mm (5 1/4")

Pilot bit H R133/10-98-T45 X 5,010,0 98 142 109 mm

X 8092 4021 620,39 3,86 5,59 4,28 inch

Ring bit set S R133/10-98- ring bit set R1 R3 X 6,5

10,0 98 142 109 mmX 8092 4007 48

0,39 3,86 5,59 4,28 inch

41




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Casing 114,3 mm (4 1/2")

Pilot bit R114/10-80/91-T45 R4 X 4,0

10,0 80 130 91 mmX 8092 4016 15

0,39 3,15 5,12 3,58 inch

Ring bit set R114/10-80/91-ring bit set R1 R3 X 4,5

10,0 80 130 91 mmX 8092 4010 72

0,39 3,15 5,12 3,58 inch

Retrievable / Top hammer / Drill throughSymmetrix overburden drilling system

42



Retrievable / DTHSymmetrix overburden drilling system


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Casing 88,9 mm (3 1/2"")

Pilot bit B R89/8-58-DHD065 X 5,08,0 58 95 67 mm

X 8092 4006 480,31 2,28 3,74 2,65 inch

Ring bit set M R89/8-58-ring bit set R1 R3 X 3,5

8,0 58 95 67 mm8092 4007 37

0,31 2,28 3,74 2,65 inch

Casing 114,3 mm (4 1/2")

Pilot bit B R114/10-82-COP32 X 7,0

10,0 82 122 92 mmX 80924 006 53

0,39 3,23 4,80 3,61 inch

Pilot bit B R114/8-82-COP34 X 7,010,0 82 122 92 mm

X 8092 4006 520,39 3,23 4,80 3,61 inch

Pilot bit B R114/10-82-DHD3.5 X 7,0

10,0 82 122 92 mmX 8092 4006 54

0,39 3,23 4,80 3,61 inch

Ring bit set M R114/10-82-ring bit set

to be used also with R114/8-82 pilot X 4,5

10,0 98 142 109 mm

X 8092 4007 400,39 3,86 5,59 4,28 inch



10,0 95 136 105 mmX 8092 4006 63

0,39 3,74 5,35 4,13 inch


10,0 95 136 105 mmX 8092 4006 65

0,39 3,74 5,35 4,13 inch

Pilot bit B R127/10-95-DHD3.5 X 4,5

10,0 95 136 105 mmX 8092 4006 66

0,39 3,74 5,35 4,13 inch

Pilot bit B R127/10-95-DHD340 X 4,5

10,0 95 136 105 mmX 8092 4006 67

0,39 3,74 5,35 4,13 inch

Ring bit set M R127/10-95-ring bit set R1 X 4,5

10,0 95 136 105 mmX 8092 4007 45

0,39 3,74 5,35 4,13 inch

Casing 133,4 mm (5 1/4"")

Pilot bit B R133/10-98-COP44/DHD340 X 9,0

10,0 98 141 109 mmX 8092 4006 69

0,39 3,86 5,55 4,28 inch

Pilot bit B R133/10-98-QL40 X 9,010,0 98 141 109 mm

X 8092 4015 340,39 3,86 5,55 4,28 inch

43





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10,0 98 141 109 mmX 8092 4016 59

0,39 3,86 5,55 4,28 inch

Pilot bit B R133/10-98-SD4 X 9,010,0 98 141 109 mm

X 8092 4023 160,39 3,86 5,55 4,28 inch

Ring bit set M R133/10-98- ring bit set R1 R3 X 6,5

10,0 98 141 109 mmX 8092 4007 48

0,39 3,86 5,55 4,28 inch

Casing 139,7 mm (5 1/2")


10,0 104 147 116 mmX X 8092 4006 71

0,39 4,09 5,79 4,55 inch

Pilot bit B R140/10-104-COP42 X 12,5

10,0 104 147 116 mmX X 8092 4006 74

0,39 4,09 5,79 4,55 inch


X X 8092 4006 780,39 4,09 5,79 4,55 inch


X X 8092 4006 760,39 4,09 5,79 4,55 inch

Ring bit set M R140/10-104- ring bit set R1 X 7,0

10,0 104 147 116 mmX X 8092 4007 51

0,39 4,09 5,79 4,55 inch


Pilot bit B R152/10-116-COP44/DHD340 X

10,0 116 160 127 mmX X 8092 4006 84

0,39 4,57 6,30 5,01 inch


X X 8092 4015 350,39 4,57 6,30 5,01 inch


X X 8092 4006 870,39 4,57 6,30 5,01 inch


10,0 116 160 127 mmX X 8092 4007 60

0,39 4,57 6,30 5,01 inch

Casing 168,3 mm (6 5/8")


10,0 132 177 143 mmX 8092 4006 90

0,39 5,20 6,97 5,63 inch

44





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Pilot bit B R168/10-132-QL50 X 25,0

10,0 132 177 143 mmX 8092 4006 93

0,39 5,20 6,97 5,63 inch


X 8092 4006 910,39 5,20 6,97 5,63 inch


10,0 132 177 143 mmX 8092 4007 63

0,39 5,20 6,97 5,63 inch



10,0 141 187 153 mmX 8092 4006 94

0,39 5,55 7,36 6,01 inch


X 8092 4015 360,39 5,55 7,36 6,01 inch


X 8092 4006 950,39 5,55 7,36 6,01 inch


10,0 141 187 153 mmX 8092 4007 65

0,39 5,55 7,36 6,01 inch

Casing 193,7 mm (7 5/8")

Pilot bit B R194/12.7-154-DHD360 X 35,0

12,7 154 203 167 mm

X 8092 4006 960,50 6,06 7,99 6,56 inch

Pilot bit B R194/12.7-154-QL60 X 35,0

12,7 154 203 167 mmX 8092 4015 37

0,50 6,06 7,99 6,56 inch

Pilot bit B R194/12.7-154-SD6 X 35,0

12,7 154 203 167 mmX 8092 4006 97

0,50 6,06 7,99 6,56 inch

Ring bit set M R194/12.7-154-ring bit set R1 X 14,0

12,7 154 203 167 mmX 8092 4007 68

0,50 6,06 7,99 6,56 inch

Casing 219,1 mm (8 5/8")

Pilot bit Aplease choose from group Permanent/DTH P219/12.7-146

X

Ring bit set L R219/12.7-146-ring bit set

R1 compatible with pilot bit P219/12.7-146 X 13,0

12,7 146 232 190 mmX 8092 4016 89

0,50 5,75 9,13 7,48 inch

45





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Pilot bit B R219/12.7-175-DHD360 X 45,0

12,7 175 227 190 mmX 8092 4006 98

0,50 6,89 8,95 7,48 inch

Pilot bit B R219/12.7-175-QL60 X 45,0

12,7 175 227 190 mmX 8092 4014 11

0,50 6,89 8,95 7,48 inch


10,0 175 227 190 mmX 8092 4006 99

0,39 6,89 8,95 7,48 inch

Ring bit set M R178/10-141-QL50 R1 X 16,010,0 175 227 190 mm

X 8092 4007 720,39 6,89 8,95 7,48 inch

Casing 244,5 mm (9 5/8")


X

Ring bit set Z R245/12.7-162-ring bit set

R1 compatible with pilot bit P245/12.7-162 15,0

12,7 162 252 212 mmX 8092 4022 37

0,50 6,38 9,92 8,35 inch

Pilot bit B R245/12.7-200-DHD360 X 60,0

12,7 200 254 215 mmX 8092 4007 01

0,50 7,78 10,0 8,48 inch

Pilot bit B R245/12.7-200-DHD380 X 60,0

12,7 200 254 215 mmX 8092 4014 57

0,50 7,78 10,0 8,48 inch

Pilot bit B R245/12.7-200-QL60 X 60,0

12,7 200 254 215 mmX 8092 4015 38

0,50 7,78 10,0 8,48 inch

Pilot bit B R245/12.7-200-QL80 R1 X 60,0

12,7 200 254 215 mmX 8092 4022 41

0,50 7,78 10,0 8,48 inch

Pilot bit B R245/12.7-200-SD6 X 60,0

12,7 200 254 215 mmX 8092 4007 02

0,50 7,78 10,0 8,48 inch

Pilot bit B R245/12.7-200-SD8 X 60,0

12,7 200 254 215 mmX 8092 4023 30

0,50 7,78 10,0 8,48 inch


12,7 200 254 215 mmX 8092 4007 74

0,50 7,78 10,0 8,48 inch

46




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Casing 254,0 mm (10")

Pilot bit B R254/12.7-207-DHD380 X 70,0

12,7 207 266 223 mmX 8092 4014 28

0,50 8,15 10,47 8,79 inch

Pilot bit B R254/12.7-207-QL80 X 70,0

12,7 207 266 223 mmX 8092 4015 39

0,50 8,15 10,47 8,79 inch

Pilot bit B R254/12.7-207-SD8 X 70,0

12,7 207 266 223 mmX 8092 4007 04

0,50 8,15 10,47 8,79 inch


12,7 207 266 223 mmX 8092 4007 75

0,50 8,15 10,47 8,79 inch

Casing 273,0 mm (10 3/4")


X



12,7 193 286 241 mmX 8092 4016 91

0,50 7,60 11,26 9,48 inch

Pilot bit B R273/12.7-226-DHD380 X 100,0

12,7 226 285 242 mmX 8092 4007 05

0,50 8,90 11,22 9,54 inch

Pilot bit B R273/12.7-226-QL80 X 100,0

12,7 226 285 242 mmX 8092 4015 42

0,50 8,90 11,22 9,54 inch

Pilot bit B R273/12.7-226-SD8 X 100,0

12,7 226 285 242 mmX 8092 4007 08

0,50 8,90 11,22 9,54 inch


12,7 226 285 242 mmX 8092 4007 79

0,50 8,90 11,22 9,54 inch

Casing 323,9 mm (12 3/4")


X



12,7 240 339 272 mmX 8092 4023 95

0,50 9,45 13,33 10,72 inch

Pilot bit B R324/12.7-273-DHD380 X 150,0

12,7 273 338 272 mmX 8092 4007 11

0,50 10,75 13,31 10,72 inch

Pilot bit B R324/12.7-273-QL80 X 150,0

12,7 273 338 272 mmX 8092 4015 43

0,50 10,75 13,31 10,72 inch


47





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Pilot bit B R324/12.7-273-SD8 X 150,0

12,7 273 338 272 mmX 8092 4007 13

0,50 10,75 13,31 10,72 inch


12,7 273 338 272 mmX 8092 4007 83

0,50 10,75 13,31 10,72 inch

Casing 406,4 mm (16")

Pilot bit Aplease choose from group Permanent/DTH P406/16-328

X


R1 compatible with pilot bit P406/16-328 35,0

12,7 328 431 370 mmX 8092 4022 54

0,50 12,91 16,97 14,57 inch

Pilot bit B R406/12.7-352-DHD112 X 260,0

12,7 352 420 370 mmX 8092 4007 17

0,50 13,86 16,54 14,57 inch

Pilot bit B R406/12.7-352-QL120 X 260,0

12,7 352 420 370 mmX 8092 4014 84

0,50 13,86 16,54 14,57 inch

Pilot bit B R406/12.7-352-SD12 X 260,0

12,7 352 420 370 mmX 8092 4007 18

0,50 13,86 16,54 14,57 inch


12,7 352 420 370 mmX 8092 4007 86

0,50 13,86 16,54 14,57 inch

Casing 457,2 mm (18")


X



12,7 378 477 425 mmX 8092 4022 64

0,50 14,88 18,78 16,73 inch

Pilot bit B R457/14.2-398-DHD112S X 350,0

14,2 398 473 420 mmX 8092 4022 70

0,56 15,67 18,62 16,54 inch

Pilot bit B R457/14.2-398-QL120 X 350,0

14,2 398 473 420 mmX 8092 4013 80

0,56 15,67 18,62 16,54 inch

Pilot bit B R457/14.2-398-SD12 X 350,0

14,2 398 473 420 mmX 8092 4023 36

0,56 15,67 18,62 16,54 inch


14,2 398 473 420 mmX 8092 4007 90

0,56 15,67 18,62 16,54 inch

48





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Casing 508,0 mm (20")


X

Ring bit set Z R508/16-423- ring bit set


16,0 423 525 471 mmX 8092 4017 18

0,63 16,65 20,67 18,54 inch

Pilot bit B R508/14.2-446-DHD112S X 420,0

14,2 446 524 445 mmX 8092 4014 32

0,56 17,56 20,63 17,52 inch

Pilot bit B R508/14.2-446-QL120 X 420,0

14,2 446 524 445 mmX 8092 4015 45

0,56 17,56 20,63 17,52 inch

Pilot bit B R508/14.2-446-SD12 X 420,0

14,2 446 524 445 mmX 8092 4007 27

0,56 17,56 20,63 17,52 inch


14,2 446 524 445 mmX 8092 4007 94

0,56 17,56 20,63 17,52 inch

Casing 558,0 mm (22")


X



12,7 477 579 527 mmX 8092 4022 87

0,50 18,78 22,80 20,75 inch

Pilot bit B R559/16-493-QL200 X 500,0

16,0 493 575 515 mmX 8092 4013 76

0,63 19,41 22,64 20,27 inch

Pilot bit B R559/16-493-SD18 X 500,0

16,0 493 575 515 mmX 8092 4023 39

0,63 19,41 22,64 20,27 inch


16,0 493 575 515 mmX 8092 4013 27

0,63 19,41 22,64 20,27 inch

Casing 609,6 mm (24")


X



16,0 521 622 572 mmX 8092 4024 01

0,63 20,51 24,50 22,50 inch

49





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Pilot bit B R610/12.7-555-QL200 X 550,0

12,7 555 637 553 mmX 8092 4007 32

0,50 21,85 25,08 21,77 inch

Pilot bit B R610/12.7-555-NUMA180 X 550,0

12,7 555 637 553 mmX 8092 4007 31

0,50 21,85 25,08 21,77 inch

Pilot bit B R610/12.7-555-SD18 X 550,0

12,7 555 637 553 mmX 8092 4007 30

0,50 21,85 25,08 21,77 inch


12,7 555 637 553 mmX 8092 4007 96

0,50 21,85 25,08 21,77 inch

Casing 660,4 mm (26")


X



16,0 567 680 622 mmX 8092 4023 54

0,63 22,32 26,77 24,49 inch

Pilot bit B R660/16-592-SD18 X 650,0

16,0 592 678 615 mmX 8092 4007 33

0,63 23,31 26,69 24,21 inch

Pilot bit B R660/16-592-QL200 X 650,0

16,0 592 678 615 mmX 8092 4015 46

0,63 23,31 26,69 24,21 inch

Pilot bit B R660/16-592-NUMA180 X 650,0

16,0 592 678 615 mmX 8092 4023 44

0,63 23,31 26,69 24,21 inch


16,0 592 678 615 mmX 8092 4007 97

0,63 23,31 26,69 24,21 inch

Casing 711,2 mm (28")


X


R1 to be used with pilot P711/16-614 100,0

16,0 614 729 670 mmX 8092 4017 20

0,63 24,17 28,70 26,39 inch

Pilot bit B R711/16-641-QL200S X 780,0

16,0 641 731 666 mmX 8092 4023 03

0,63 25,24 28,78 26,21 inch


16,0 641 731 666 mmX 8092 4007 98

0,63 25,24 28,78 26,21 inch

50





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Casing 762,0 mm (30")


X



16,0 669 783 724 mmX 8092 4023 07

0,63 26,34 30,84 28,50 inch

Pilot bit B R762/16-692-QL200S X 900,0

16,0 692 781 716 mmX 8092 4013 28

0,63 27,24 30,75 28,19 inch


16,0 692 781 716 mmX 8092 4013 29

0,63 27,24 30,75 28,19 inch

Casing 812,8 mm (32")


X



16,0 709 830 769 mmX 8092 4023 65

0,63 27,91 32,68 30,28 inch

Pilot bit B R813/16-736-QL200S X 1100,0

16,0 736 834 735 mmX 8092 4013 31

0,63 28,98 32,83 28,94 inch


16,0 736 834 735 mmX 8092 4013 30

0,63 28,98 32,83 28,94 inch

Casing 863,2 mm (34")

Pilot bit B R863/16-792-QL200S X 1250,0

14,2 790 882 790 mmX 8092 4024 10

0,56 31,10 34,72 31,10 inch


14,2 790 882 790 mmX 8092 4024 11

0,56 31,10 34,72 31,10 inch

Casing 914,4 mm (36")


X


R1 to be used with pilot P914/16-818 200,0

16,0 818 932 851 mmX 8092 4017 22

0,63 32,20 36,69 33,50 inch

51





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Pilot bit B R914/16-837-QL200S X 150,0

16,0 837 935 864 mmX 8092 4013 33

0,63 32,95 36,81 34,02 inch


16,0 837 935 864 mmX 8092 4013 35

0,63 32,95 36,81 34,02 inch



X

Ring bit set Z R1016/16-913-ring bit set

R1 compatible with pilot bit P1016/16-913 X

16,0 913 1033 973 mmX 809 24023 13

0,63 35,94 40,67 38,31 inch

52



Retrievable / DTH / Drill throughSymmetrix overburden drilling system


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Casing 114,3 mm (4 1/2")

Pilot bit F R114/8-80/91-COP32 R4 X 7,0

8,0 80 130 91 mmX 8092 4013 96

0,31 3,15 5,12 3,58 inch

Pilot bit F R114/8-80/91-DHD3.5 R4 X 7,0

8,0 80 130 91 mmX 8092 4014 52

0,31 3,15 5,12 3,58 inch

Ring bit set Q R114/10-80/91-ring bit set

R1, R3. To be used with R114/8-80/91 pilot bit and ring bit

X 4,510,0 80 130 91 mm

X 8092 4010 720,39 3,15 5,12 3,58 inch

Casing 133,4 mm (5 1/4")

Pilot bit F R133/12.7-94/105-COP34 R4 X 9,0

12,7 94 150 105 mmX 8092 4015 50

0,50 3,70 5,91 4,13 inch

Pilot bit F R133/12.7-94/105-DHD3.5 R4 X 9,0

12,7 94 150 105 mmX 8092 4015 49

0,50 3,70 5,91 4,13 inch

Ring bit set Q R133/12.7-94/105-ring bit set R1 X 5,5

12,7 94 150 105 mmX 8092 4010 73

0,50 3,70 5,91 4,13 inch

Casing 139,7 mm (5 1/2")

Pilot bit F R140/12.7-97/108-DHD340 R4 X 9,0

12,7 97 152 108 mmX X 8092 4013 59

0,50 3,82 5,98 4,25 inch

Pilot bit F R140/12.7-97/108-QL40 R4 X 9,0

12,7 97 152 108 mmX X 8092 4015 51

0,50 3,82 5,98 4,25 inch

Pilot bit F R140/12.7-97/108-COP42 R4 X 9,0

12,7 97 152 108 mmX X 8092 4021 75

0,50 3,82 5,98 4,25 inch

Ring bit set Q R140/12.7-97/108-ring bit set R1 X 6,0

12,7 97 152 108 mmX X 8092 4013 58

0,50 3,82 5,98 4,25 inch


Pilot bit F R152/12.7-105/117-DHD340 R4 X 12,0

12,7 105 162 117 mmX X 8092 4010 64

0,50 4,13 6,38 4,61 inch

Pilot bit F R152/12.7-105/117-QL40 R4 X 12,0

12,7 105 162 117 mmX X 8092 4015 52

0,50 4,13 6,38 4,61 inch

Ring bit set QR152/12.7-105/117-ring bit set R1 X 7,0

12,7 105 162 117 mm

X X 8092 4020 870,50 4,13 6,38 4,61 inch

53





e pa

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r Ø Weight (kg) Ca

sing

wal

lm

ax. t

hick

ness

Ring bit

Pilot bit

Unit

Main applications

PartnumberIn

ner Ø

Out

er Ø

Out

er Ø

Foun

datio

n dr

dilli

ng

Anc

hori

ng

Casing 168,3 mm (6 5/8")

Pilot bit F R168/10-121/133-COP54/DHD350 R4 X 15,0

10,0 121 184 133 mmX 8092 4010 65

0,39 4,76 7,24 5,24 inch

Pilot bit F R168/10-121/133-QL50 R4 X 15,0

10,0 121 184 133 mmX 8092 4010 66

0,39 4,76 7,24 5,24 inch

Ring bit set Q R168/10-121/133-ring bit set R1 X 9,0

10,0 121 184 133 mmX 8092 4010 74

0,39 4,76 7,24 5,24 inch



10,0 127 191 141 mmX 8092 4015 53

0,39 5,0 7,52 5,55 inch

Pilot bit F R178/10-127/141-QL50 R4 X 20,0

10,0 127 191 141 mmX 8092 4022 23

0,39 5,0 7,52 5,55 inch

Pilot bit F R178/10-127/141-SD50 R4 X 20,0

10,0 127 191 141 mmX 8092 4022 24

0,39 5,0 7,52 5,55 inch


10,0 127 191 141 mmX 8092 4015 64

0,39 5,0 7,52 5,55 inch

Casing 193,7 mm (7 5/8")

Pilot bit F R194/14-142/157-DHD360 R4 X 30,0

14,0 142 209 157 mmX 8092 4013 60

0,55 5,59 8,23 6,18 inch

Pilot bit F R194/14-142/157-QL60 R4 X 30,0

14,0 142 209 157 mmX 8092 4014 90

0,55 5,59 8,23 6,18 inch

Ring bit set F R194/14-142/157-ring bit set R1 X 11,0

14,0 142 209 157 mmX 8092 4013 61

0,55 5,59 8,23 6,18 inch

Casing 219,1 mm (8 5/8")


14,0 166 235 180 mmX 8092 4010 68

0,55 6,54 9,25 7,09 inch

Pilot bit F R219/14-166/180-QL60 R4 X 40,0

14,0 166 235 180 mmX 8092 4015 55

0,55 6,54 9,25 7,09 inch


14,0 166 235 180 mmX 8092 4010 76

0,55 6,54 9,25 7,09 inch

54





e pa

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gh

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r Ø Weight (kg) Ca

sing

wal

lm

ax. t

hick

ness

Ring bit

Pilot bit

Unit

Main applications

PartnumberIn

ner Ø

Out

er Ø

Out

er Ø

Foun

datio

n dr

dilli

ng

Anc

hori

ng

Casing 273,0 mm (10 3/4")


20,0 207 291 226 mmX 8092 4015 57

0,79 8,15 11,46 8,90 inch

Pilot bit F R273/20-207/226-QL80 R4 X 70,0

20,0 207 291 226 mmX 8092 4015 56

0,79 8,15 11,46 8,90 inch


20,0 207 291 226 mmX 8092 4015 65

0,79 8,15 11,46 8,90 inch

Casing 323,9 mm (12 3/4")


20,0 256 344 275 mmX 8092 4015 59

0,79 10,08 13,54 10,83 inch

Pilot bit F R324/20-256/275-QL80 R4 X 150,0

20,0 256 344 275 mmX 8092 4015 58

0,79 10,08 13,54 10,83 inch


20,0 256 344 275 mmX 8092 4015 66

0,79 10,08 13,54 10,83 inch

Casing 406,4 mm (16")

Pilot bit F R406/20-330/348-DHD112 R4 X 260,

20,0 330 420 348 mmX 8092 4022 56

0,79 12,99 16,54 13,70 inch

Pilot bit F R406/20-330/348-QL120 R4 X 260,0

20,0 330 420 348 mmX 8092 4022 57

0,79 12,99 16,54 13,70 inch


20,0 330 420 348 mmX 8092 4022 58

0,79 12,99 16,54 13,70 inch

Casing 457,2 mm (18")


16,0 374 471 395 mmX 8092 4019 64

0,63 14,72 18,54 15,55 inch

Pilot bit F R457/16-374/395-QL120 R4 X 280,0

16,0 374 471 395 mmX 8092 4022 71

0,63 14,72 18,54 15,55 inch

Pilot bit F R457/16-374/395-SD12 R4 X 280,0

16,0 374 471 395 mmX 8092 4022 72

0,63 14,72 18,54 15,55 inch


16,0 374 471 395 mmX 8092 4019 65

0,63 14,72 18,54 15,55 inch

55





e pa

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hrou

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r Ø Weight (kg) Ca

sing

wal

lm

ax. t

hick

ness

Ring bit

Pilot bit

Unit

Main applica-

tions

PartnumberIn

ner Ø

Out

er Ø

Out

er Ø

Foun

datio

n dr

dilli

ng

Anc

hori

ng

Casing 508,0 mm (20")

Pilot bit F R508/16-422/447-DHD112S R4 X 380,0

16,0 422 526 447 mmX 8092 4015 62

0,63 16,61 20,71 17,60 inch

Pilot bit F R508/16-422/447-QL120 R4 X 380,0

16,0 422 526 447 mmX 8092 4022 86

0,63 16,61 20,71 17,60 inch


16,0 422 526 447 mmX 8092 4015 67

0,63 16,61 20,71 17,60 inch

Casing 558,8 mm (22")

Pilot bit F R559/16-487/508-QL200 R4 X 500,0

16,0 487 588 508 mmX 8092 4010 69

0,63 19,17 23,14 20,00 inch

Pilot bit F R559/16-487/508-DHD112S R4 X 500,0

16,0 487 588 508 mmX 8092 4022 91

0,63 19,17 23,14 20,00 inch

Pilot bit F R559/16-487/508-NUMA180 R4 X 500,0

16,0 487 588 508 mmX 8092 4022 92

0,63 19,17 23,14 20,00 inch

Pilot bit F R559/16-487/508-SD18 R4 X 500,0

16,0 487 588 508 mmX 8092 4022 93

0,63 19,17 23,14 20,00 inch


16,0 487 588 508 mmX 8092 4010 77

0,63 19,17 23,14 20,00 inch

Casing 609,6 mm (24")

Pilot bit F R610/16-532/551-QL200 R4 X 550,0

16,0 532 633 551 mmX 8092 4024 02

0,63 20,94 24,92 21,69 inch


16,0 532 633 551 mmX 8092 4024 03

0,63 20,94 24,92 21,69 inch

Casing 711,2 mm (28")

Pilot bit F R711/16-632/657-QL200S R4 X 850,0

16,0 632 735 657 mmX 8092 4023 04

0,63 24,88 28,94 25,87 inch


16,0 632 735 657 mmX 8092 4015 68

0,63 24,88 28,94 25,87 inch

56





e pa

ss-t

hrou

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r Ø Weight (kg) Ca

sing

wal

lm

ax. t

hick

ness

Ring bit

Pilot bit

Unit

Main applications

PartnumberIn

ner Ø

Out

er Ø

Out

er Ø

Foun

datio

n dr

dilli

ng

Anc

hori

ng

Casing 812,8 mm (32")

Pilot bit F R813/16-718/740-QL200S R4 1100,0

16,0 718 828 740 mmX 8092 4017 94

0,63 28,27 32,60 29,13 inch

Ring bit set Q R813/16-718/740-ring bit set R1 180,0

16,0 718 828 743 mmX 8092 4017 95

0,63 28,27 32,60 29,25 inch

57



Systems available on requestSymmetrix overburden drilling system

Part Designation Remark Part number


Casing 146,0 mm (5 3/4")

Casing 267,0 mm (10 1/2")

Casing 355,6 mm (14")

Casing 1220,0 mm (48")

58



AccessoriesSymmetrix overburden drilling system

Part Designation Remark Weight(kg)

Part number

Foot valvesFoot valve Foot valve DHD065 0,1 8092 4012 00

Foot valve Foot valve DHD112 0,1 8092 4012 01

Foot valve Foot valve DHD3.5 0,1 8092 4012 02

Foot valve Foot valve COP34 0,1 8092 4014 04

Foot valve Foot valve DHD340/COP44 0,1 8092 4012 03



Foot valve Foot valve DHD380 0,1 8092 4012 07

Foot valve Foot valve QL40 0,1 8092 4012 26






Foot valve Foot valve SD4 0,1 8092 4012 16







Foot valve Foot valve Numa120 0,1 8092 4012 21

Foot valve Foot valve Numa180 0,1 8092 4012 22

59

Operating Symmetrix with DTH

Torque requirementSymmetrix method needs less torque compared with eccentric drilling systems. A drill rig should have, how-ever, minimum torque shown for various casing sizes in the table.

Casing size Minimum torque

mm inch Nm lb ft

114 4 ½ 600 440

168 6 5/8 2 000 1 480

219 8 5/8 3 000 2 210

273 10 ¾ 8 000 5 900

457 18 16 000 11 800

610 24 30 000 22 130

813 32 40 000 29 500

Casing size Rotation speed

mm inch rpm

140 5 ½ 35-50

610 24 8-10

Rotation speedRotation speed depends on the size of the Symmetrix bit and also on the formation being drilled. The rotation speed may have to be varied as the formation changes. The harder the ground or the larger the bit the slower is the rotation speed e.g.

Air pressureRecommended air pressure in overburden is 12 – 14 bars.

Assembling Symmetrix system with a welding ring

1 . A casing shoe, a welding ring and a ring bit are delivered as solitary com-ponents .

3 . Then place the ring bit into the weld-ing ring so that the welding ring fits into the groove in the ring bit .

Finally weld the ring bit to the welding ring .

2 . First insert the welding ring around the casing shoe so that it locks into the groove in the casing shoe .

Welding ring assembly instruction

60

Part no Page in catalogue

8092400588 16

8092400589 16

8092400590 17

8092400592 17

8092400593 17

8092400596 19

8092400602 20

8092400622 16

8092400624 17

8092400630 19

8092400634 21

8092400648 42

8092400649 40

8092400651 40

8092400652 42

8092400653 42

8092400654 42

8092400658 40

8092400663 42

8092400665 42

8092400666 42

8092400667 42

8092400669 42

8092400671 43

8092400674 43

8092400676 43

8092400678 43

8092400684 43

8092400687 43

8092400690 43

8092400691 44

8092400693 44

8092400694 44

8092400695 44

8092400696 44

8092400697 44

8092400698 45

8092400699 45

8092400701 45

8092400702 45

8092400704 46

8092400705 46

8092400708 46


8092400711 46

8092400713 47

8092400717 47

8092400718 47

8092400727 48

8092400730 49

8092400731 49

8092400732 49

8092400733 49

8092400737 40, 42

8092400740 40, 42

8092400745 42

8092400748 40, 43

8092400751 43

8092400760 43

8092400763 44

8092400765 44

8092400768 44

8092400772 45

8092400774 45

8092400775 46

8092400779 46

8092400783 47

8092400786 47

8092400790 47

8092400794 48

8092400796 49

8092400797 49

8092400798 49

8092400800 14

8092400801 14

8092400802 16

8092400814 29

8092400816 29

8092400818 30

8092400822 30

8092400824 30

8092400825 30

8092400830 30

8092400835 31

8092400836 31

8092400837 32

8092400838 32


8092400844 32

8092400848 33

8092400851 33

8092400863 29

8092400871 30

8092400878 31

8092400888 31

8092400895 32

8092400900 33

8092400913 29

8092400916 30

8092400918 31

8092400922 31

8092400928 32

8092400929 33

8092400932 33

8092400935 30

8092400936 30

8092400954 12

8092400976 12

8092401047 36

8092401052 36

8092401054 38

8092401064 52

8092401065 53

8092401066 53

8092401068 53

8092401069 55

8092401072 41, 52

8092401073 52

8092401074 53

8092401076 53

8092401077 55

8092401090 13

8092401097 14

8092401107 16

8092401108 16

8092401110 17

8092401111 18

8092401112 20

8092401113 20

8092401118 25

8092401143 14

Part number indexPart no Page in

catalogue

8092401153 18

8092401154 18

8092401156 20

8092401158 22

8092401159 25

8092401164 12, 13

8092401167 14

8092401168 15

8092401172 17

8092401173 18

8092401174 19

8092401175 20

8092401177 22

8092401178 25

8092401200 58

8092401201 58

8092401202 58

8092401203 58

8092401204 58

8092401205 58

8092401207 58

8092401215 58

8092401216 58

8092401217 58

8092401218 58

8092401219 58

8092401220 58

8092401221 58

8092401222 58

8092401223 58

8092401224 58

8092401226 58

8092401227 58

8092401228 58

8092401302 15

8092401309 26

8092401310 26

8092401311 26

8092401315 28

8092401316 28

8092401317 28

8092401323 32

8092401324 32

61

Part number indexPart no Page in

catalogue

8092401327 48

8092401328 50

8092401329 50

8092401330 50

8092401331 50

8092401333 51

8092401335 51

8092401348 34

8092401349 35

8092401350 34

8092401351 35

8092401352 34

8092401353 35

8092401358 52

8092401359 52

8092401360 53

8092401361 53

8092401364 36

8092401365 36

8092401366 37

8092401367 37

8092401368 39

8092401369 39

8092401370 25

8092401376 48

8092401380 47

8092401387 13

8092401393 13

8092401394 23

8092401395 23

8092401396 52

8092401404 58

8092401411 45

8092401413 38

8092401415 16

8092401428 46

8092401432 48

8092401435 15

8092401444 16

8092401452 52

8092401453 31

8092401457 45

8092401478 19


8092401480 21

8092401481 22

8092401482 22

8092401484 47

8092401485 13

8092401486 13

8092401490 53

8092401494 14

8092401497 16

8092401505 19

8092401511 20

8092401520 21

8092401521 13

8092401522 15

8092401525 18

8092401526 20

8092401531 25

8092401534 42

8092401535 43

8092401536 44

8092401537 44

8092401538 45

8092401539 46

8092401542 46

8092401543 46

8092401545 48

8092401546 49

8092401549 52

8092401550 52

8092401551 52

8092401552 52

8092401553 53

8092401555 53

8092401556 54

8092401557 54

8092401558 54

8092401559 54

8092401562 55

8092401564 53

8092401565 54

8092401566 54

8092401567 55

8092401568 55


8092401577 36

8092401578 36

8092401579 36

8092401580 36

8092401581 36

8092401582 36

8092401583 36

8092401585 37

8092401586 37

8092401587 37

8092401588 37

8092401589 38

8092401590 38

8092401591 38

8092401592 38

8092401593 38

8092401594 38

8092401596 39

8092401598 30

8092401599 31

8092401601 33

8092401602 33

8092401605 58

8092401607 13

8092401615 41

8092401622 15

8092401627 37

8092401628 37

8092401650 14

8092401651 16

8092401659 43

8092401669 12

8092401674 33

8092401689 44

8092401691 46

8092401718 48

8092401720 49

8092401722 50

8092401735 12, 13

8092401737 12

8092401741 37

8092401744 16

8092401748 23


8092401762 15

8092401794 56

8092401795 56

8092401797 25

8092401803 58

8092401805 17

8092401810 21

8092401816 21

8092401817 21

8092401874 19

8092401875 19

8092401876 20

8092401893 14

8092401894 16

8092401909 23

8092401927 19

8092401931 23

8092401964 54

8092401965 54

8092401996 22

8092401997 23

8092401998 23

8092402010 25

8092402022 22

8092402030 18

8092402035 29

8092402066 15

8092402067 15

8092402068 14

8092402069 12, 14

8092402070 15

8092402071 16

8092402080 38

8092402087 52

8092402130 17

8092402153 12, 13

8092402154 13

8092402155 13

8092402156 13

8092402162 40

8092402164 12

8092402165 12

8092402167 14

62


8092402168 14

8092402170 14

8092402171 29

8092402172 29

8092402173 29

8092402174 29

8092402175 52

8092402177 15

8092402180 16

8092402181 15

8092402182 15

8092402183 29

8092402184 29

8092402186 17

8092402189 18

8092402190 30

8092402191 19

8092402192 30

8092402193 20

8092402194 20

8092402195 21

8092402196 31

8092402197 22

8092402198 32

8092402199 23

8092402200 32

8092402201 24

8092402202 33

8092402203 25

8092402205 33

8092402206 34

8092402207 34

8092402208 27

8092402209 34

8092402210 28

8092402211 35

8092402212 28

8092402213 35

8092402214 12

8092402215 12

8092402216 17

8092402217 17

8092402218 17


8092402223 53

8092402224 53

8092402225 17

8092402226 18

8092402227 18

8092402228 18

8092402229 18

8092402230 30

8092402231 19

8092402232 36

8092402233 19

8092402234 19

8092402236 20

8092402237 45

8092402238 20

8092402239 36

8092402240 37

8092402241 45

8092402242 20

8092402243 31

8092402244 21

8092402245 21

8092402246 21

8092402247 21

8092402248 31

8092402249 22

8092402250 22

8092402251 22

8092402252 22

8092402253 22

8092402254 47

8092402255 32

8092402256 54

8092402257 54

8092402258 54

8092402259 23

8092402260 23

8092402262 25

8092402263 23

8092402264 47

8092402265 23

8092402266 23

8092402267 32


8092402268 32

8092402269 38

8092402270 47

8092402271 54

8092402272 54

8092402273 24

8092402274 24

8092402275 24

8092402276 24

8092402277 24

8092402278 24

8092402279 24

8092402280 24

8092402281 24

8092402282 24

8092402283 33

8092402284 33

8092402285 38

8092402286 55

8092402287 48

8092402288 38

8092402289 38

8092402290 38

8092402291 55

8092402292 55

8092402293 55

8092402294 25

8092402295 26

8092402296 26

8092402297 26

8092402298 34

8092402299 27

8092402300 27

8092402301 34

8092402302 39

8092402303 49

8092402304 55

8092402305 27

8092402306 27

8092402307 50

8092402308 28

8092402309 28

8092402310 28


8092402311 28

8092402312 28

8092402313 51

8092402314 35

8092402315 35

8092402316 43

8092402317 14

8092402318 13

8092402319 29

8092402320 15

8092402321 15

8092402322 29

8092402323 17

8092402324 18

8092402325 18

8092402326 18

8092402327 30

8092402328 19

8092402329 19

8092402330 45

8092402331 21

8092402332 21

8092402333 22

8092402334 23

8092402335 32

8092402336 47

8092402337 24

8092402338 25

8092402339 48

8092402340 25

8092402341 26

8092402342 33

8092402343 34

8092402344 49

8092402345 31

8092402353 26

8092402354 49

8092402355 26

8092402356 26

8092402357 26

8092402358 27

8092402359 27

8092402360 27

Part number index

63


8092402311 28

8092402312 28

8092402313 51

8092402314 35

8092402315 35

8092402316 43

8092402317 14

8092402318 13

8092402319 29

8092402320 15

8092402321 15

8092402322 29

8092402323 17

8092402324 18

8092402325 18

8092402326 18

8092402327 30

8092402328 19

8092402329 19

8092402330 45

8092402331 21

8092402332 21

8092402333 22

8092402334 23

8092402335 32

8092402336 47

8092402337 24

8092402338 25

8092402339 48

8092402340 25

8092402341 26

8092402342 33

8092402343 34

8092402344 49

8092402345 31

8092402353 26

8092402354 49

8092402355 26

8092402356 26

8092402357 26

8092402358 27

8092402359 27

8092402360 27


8092402361 27

8092402362 27

8092402363 27

8092402364 27

8092402365 50

8092402366 28

8092402367 28

8092402368 28

8092402369 35

8092402384 37

8092402385 37

8092402386 37

8092402387 20

8092402388 29

8092402389 25

8092402391 26

8092402392 26

8092402393 26

8092402395 46

8092402396 32

8092402397 24

8092402398 24

8092402399 33

8092402400 25

8092402401 48

8092402402 55

8092402403 55

8092402404 34

8092402405 34

8092402406 34

8092402407 34

8092402408 34

8092402409 27

8092402410 50

8092402411 50

8092402515 18

8092402516 18

8092402549 12

Part number index

Atlas Copco Geotechnical Drilling and Explorationwww .atlascopco .com

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in

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. Illu

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Con

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your

Atla

s C

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Cus

tom

er C

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r for

spe

cific

info

rmat

ion.

A

B

C

D

E

F

G

H

I

K

L

M

N

O

P

Q

R

S

T

V W

X Y

J U

Parts key for tables

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