Metal drill bits ground from solid extremely heat resistant cobalt-alloyed high speed steel produced according to DIN 338..
Polished finish. 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.
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