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 135ο 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.