Metal
drill bits ground from solid extremely heat resistant cobalt-alloyed high speed
steel produced according to DIN 338.
Split
point shaped cutting tip with 135° angle for improved centering - no center
punch required.
5%
Cobalt content. Withstands high drilling heat.
Type
N flute normal angle.
Suitable
for drilling high alloy content steels and metals with tensile strengths over
1000 N/mm² like heat and acid proof steels and stainless
steel.
3-flat
shank from 5 mm diameter for better grip and prevents chuck
slippage.
Colour: bronze
