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: [email protected]
Konrad Micro Drill
Kulmbach, Bavaria
Germany