highly sophisticated carbide for drilling and milling in the automotive industry and cutting...

Highly sophisticated carbide for drilling and milling in the automotive industry and cutting applications for difficult-

to-cut materials.

President: Dr. Ing. Konrad Friedrichs

high performance carbide of outstanding quality

long tradition of high quality

heavy expenditures in R&D

development of modern manufacturing procedures

rods in diameter ranges from Ø 1 mm to Ø 16 mm and flat bars in various carbide grades

extended shop floor for additional state-of-the-art sintering furnaces

modern kneading machines and extruders

innovative work places for quality control department

KFMG20

88,5 % coarse tungsten carbide and 11,5 % of cobalt

high toughness and impact strength

1.5 mm x 2.2 mm – 16,6 mm x 3,5 mm / variable length

to chip cross-sections, interrupted cutting, and varying cutting depths, cast iron, annealed cast iron, steel, paper knifes and wood

flat bars

94 % ultrafine tungsten carbide and 6 % of cobalt

drilling PCB-applications in bigger dimensions of 0.25 mm – 0.5 mm

ø1.2 – ø1.5 mm / variable length up to 400 mm

KFM606 high hardness, crack

and chip resistance, process stability caused by constant wear of cutting edges

92 % superfine tungsten carbide and 8 % of cobalt

high wear resistance combined with high service life of very sharp cutting edges

critical materials like fiber reinforced materials, ceramic glass, dental ceramics and advanced alloys

ø1.2 – ø1.5 mm / variable length up to 400 mm

KFM308

90 % ultrafine tungsten carbide and 10 % of cobalt

High process stability for standard applications

corrosion and heat resistant steels, stainless steels, non ferrous metals and plastics

ø 1.7 – ø 16,2 mm / variable length up to 400 mm

KFM40

88 % ultrafine tungsten carbide and 12 % of cobalt

high hardness coupled with high transverse rupture strength

corrosion and heat resistant steels, stainless steels, titanium alloys, non ferrous metals

ø 1.7 – ø 16,2 mm / variable length up to 400 mm

KFM44

93 % ultrafine tungsten carbide and 7 % of cobalt

high toughness, high wear resistance and a long lifetime of very sharp cutting edges

especially favored for router applications

ø 1.7 – ø 16,2 mm / variable length up to 400 mm

KFM47

91 % ultrafine tungsten carbide and 9 % of cobalt

high toughness, sharp cutting edges, high wear resistance

grey cast iron, hardened steels, unalloyed steels, aluminum alloys, plastics and fiber reinforced materials

ø 1.7 – ø 16,2 mm / variable length up to 400 mm

KFM39

94 % ultrafine tungsten carbide and 6 % of cobalt

grey cast iron, unalloyed steels, plastics and for diamond coating

ø 1.7 – ø 16,2 mm / variable length up to 400 mm

KFM66

high hardness, crack and chip resistance, process stability caused by constant wear of cutting edges

92 % ultrafine tungsten carbide and 8 % of cobalt

very sharp cutting edges and high wear resistance

critical materials like fiber reinforced materials, ceramic glass, dental ceramics and advanced alloys

ø 1.7 – ø 16,2 mm / variable length up to 400 mm

KFM38

longer service life

improved bending strength up to 4000 N/ mm²

92 % ultrafine tungsten carbide and 8 % of cobaltKFM38

3800390040004100420043004400

KFM 44; 4000

N/mm2

KFM 38; 4300

N/mm2

Comparison of KFM 44 and KFM 38 relating to TRS-

Measurement [N/mm2]

TR

S [

ISO

3327]

substantial higher wear resistance

hardness up to 2000 HV30

92 % ultrafine tungsten carbide and 8 % of cobaltKFM38

1500

1600

1700

1800

1900

2000

KFM 44; 1680

KFM 38; 1970

Comparison of KFM 44 and KFM 38 relating to Hardness

HV

30 [

ISO

3878]

Konrad Micro DrillPassion for Quality

March 2014

Tel.: +49 9221 878023-0

Fax: +49 9221 878023-23

Internet: www.konradmicrodrill.deEmail: service@konradmicrodrill.de

Konrad Micro Drill

Kulmbach, Bavaria

Germany