MILWAUKEE 5.5mm HSS Ground Cobalt DIN338 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, so no centre 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. 5.5mm drill bit diameter x 93mm total length with 57mm working length.
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