screw jacks / leveling screws leveling bolts / lock nuts
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Leveling Bolts / Lock NutsStandard, Thick Wrench Flats
Screw Jacks / Leveling Screws Standard, Large Holes for Adjustment with Wrench Flats
B
dBM
HL
H1
B
d
T L
MxP
B
d
T L
MxP
B T
B
2
MxP
-17311 -17321
QLeveling Screws Standard
QScrew Jacks
(Alteration NR)
QLeveling Bolts Thick Wrench Flats
QLeveling Screws Large Holes for Adjustment with Wrench Flats
QLeveling Bolts Standard
QLock Nuts
Part Number - L
LVB12LVFB20
--
1560
LVW
LVB
LVN
Hex Wrench
BasePlate
Mounting Screw
WasherMounting Screw
BasePlate
How to Use
• LVB Leveling Screw: Loosen mounting screw first. LVB can then be turned to provide the adjustments to the base plate. Lock nuts (LVN) are used to prevent rotation.
* When the position of the base plate is decided, tighten the mounting screw again.
LVW
LVB
LVN
Hex Wrench
BasePlate
Mounting Screw
WasherMounting Screw
BasePlate
How to Use
• Leveling screws are used to adjust parallelism of a base plate. (The base plate must be tapped.)
• Leveling Screw LVW: Loosen the mounting screw first. LVW can then be turned to provide fine adjustments to the base plate.
Part Number - S
SJKB17 - 20
Part Number - L
LLVBM24 - 30
Part Number - L
LVGB20 - 40
Part Number - L
LVFW12 - 20
Part Number
LVN20
Mounting Screw
Hex Wrench
Wrench
B
(C)
Ø5.8
M (Fine) 10
L
d
S+
10B
(C)
Ø5.8
M (Fine) 10
L
d
S+
10
Alteration Wrench Hole Machining on Nut SideCode NR
Spec.Adds 6 wrench holes
on the nut side.
(5)
Part Number - S - (NR)
SJKS24 - 10 - NR
B d M (Fine)
B
LT
D td1
<Accessory>
• As the I.D. is larger than the mounting screws, the horizontal movement of the plate is allowable.
• As the T dimension part is served for wrench tightening, the clearance can be prevented when tightening the mounting screws.
LVGBWasher SNTBM WP.1452
ANBN WP.1447
Base Plate
Mounting Screw
QFeatures: A wrench can be readily used for tightening the screw for the thick T dimensioned parts.
LVN Washer
Base Plate
LLVBB
Mounting Screw
QFeatures: Possible to finely adjust heights without machining a tapped hole on a plate.
TypeMMaterial SSurface
TreatmentL Selectable TypeL Configurable TypeLVW LVFW S45C
EquivalentBlack Oxide
LVWM LVFWM Electroless Nickel PlatingLVWS LVFWS SUS304 -
Type HMaterial SSurface TreatmentSJKB
S45CBlack Oxide
SJKN Electroless Nickel PlatingSJKS SUS304 -
Type MMaterial SSurface TreatmentLLVBB
S45CBlack Oxide
LLVBM Electroless Nickel PlatingLLVBS SUS304 -
TypeMain Body AAccessory (Washer)
MMaterial SSurface Treatment MMaterial SSurface TreatmentLVGB
S45CBlack Oxide
SPCC Trivalent ChromateLVGM Electroless Nickel Plating
LVGS SUS304 - SUS304 -
Part Number L 1mm Increment d MxPitch (Fine) T B Applicable Screw
Unit PriceType M (Fine) LLVBB LLVBM LLVBS
LLVBBLLVBMLLVBS
8 5~35 3.5 8x0.75 13 13 M310 10~55 5.5 10x1.0 16 17 M4, 512 10~60 7 12x1.0 18 19 M616 15~70 9 16x1.5 20 22 M820 15~80 13 20x1.5 24 27 M10, 1224 20~80 17 24x1.5 28 32 M1630 25~80 23 30x1.5 30 36 M20
TypeMMaterialSSurface Treatment
L Selectable L Configurable LVB LVFB S45C
EquivalentBlack Oxide
LVBM LVFBM Electroless Nickel PlatingLVBS LVFBS SUS304 -
Type MMaterialSSurface TreatmentLVN S45C
EquivalentBlack Oxide
LVNM Electroless Nickel PlatingLVNS SUS304 -
Part Number MxPitch (Fine) T B
Unit PriceType M
(Fine) LVN LVNM LVNS
LVNLVNMLVNS
8 8x0.754
13
10 10x1.0 17
12 12x1.0
5
19
16 16x1.5 22
20 20x1.5 27
24 24x1.58
32
30 30x1.5 36
Part Number LB MxPitch
(Fine) d H1 H Applicable Screw
Unit PriceL Selectable Type L Configurable Type
Type M (Fine) Selectable Configurable
1mm IncrementLVW LVWM LVWS LVFW LVFWM LVFWSL=10~30 L=35, 40 L=10~30 L=35, 40 L=10~30 L=35, 40
(L Selectable)LVWLVWMLVWS
(L Configurable)LVFWLVFWMLVFWS
12 10 15 20 10~30 6 12x1.0 3.5 4 8.5 M3 - - -16 15 20 30 15~40 8 16x1.5 4.5 5 12 M4 - - -20 15 20 25 35 40 15~40 10 20x1.5 5.5 6 13 M524 20 25 30 40 20~50 14 24x1.5 6.5 8 17 M630 25 30 40 25~60 17 30x1.5 9 10 22 M8
Part NumberL Selection B MxPitch
(Fine) d T Applicable Screw
Accessory Unit Price
Type M (Fine)
LVGB, LVGM LVGS LVGB LVGM LVGSD d1 t D d1 t L=10~30 L=35, 40 L=10~30 L=35, 40 L=10~30 L=35, 40
LVGBLVGMLVGS
12 10 15 20 10 12x1.0 6 6 M4 10 4.5 1.6 10 4.5 1.5 - - -16 15 20 25 30 12 16x1.5 8 8 M5 16 5.5 2 12 5.5 2 - - -20 15 20 25 30 35 40 17 20x1.5 9 10 M6 16 6.5 3.2 13 6.5 324 20 25 30 35 40 19 24x1.5 9 10 M6 16 6.5 3.2 13 6.5 330 25 30 35 40 22 30x1.5 12 12 M8 20 8.5 3 22 8.5 3
Part Number Ld MxPitch
(Fine) T B Applicable Screw
Unit PriceL Selectable Type L Configurable Type
Type M (Fine) Selectable Configurable
1mm IncrementLVB LVBM LVBS LVFB LVFBM LVFBSL=5~50 L=60~100 L=5~50 L=60~100 L=5~50 L=60~100
(L Selectable)LVBLVBMLVBS
(L Configurable)LVFBLVFBMLVFBS
8 5 10 15 20 25 30 5~50 3.5 8x0.75 4 13 M3 - - -10 10 15 20 25 30 40 50 10~60 5.5 10x1.0 4 17 M4, 5 - - -12 10 15 20 25 30 40 50 10~60 7 12x1.0
519 M6 - - -
16 15 20 25 30 40 50 60 80 15~80 9 16x1.5 22 M820 20 25 30 40 50 60 80 15~100 13 20x1.5 27 M10, 1224 25 30 40 50 60 80 20~100 17 24x1.5 8 32 M1630 30 40 50 80 100 25~120 23 30x1.5 36 M20
Part Number S Selection (Stroke)
M (Fine)
MxPitch (Fine) d L (C) Applicable
ScrewAllowable Load (N) Unit Price
Type B S=10 S=20 S=30 S45C SUS304 SJKB SJKN SJKS
SJKBSJKNSJKS
17
10 20 30
10 10x1.0 5.5
30~40 40~60 50~80
19.6 M5 332 19819 12 12x1.0 7 21.9 M6 406 24224 16 16x1.5 9 27.7 M8 535 32027 20 20x1.5 11 31.2 M10 683 408
EThe allowable loads are theoretical reference values and not guaranteed values.
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