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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.
Colour: bronze.
Ø mm 4 A mm 75 B mm 43 10 Id no. 4932 37339 EAN code 4002395 349845Qty