Special drill from HSS-Co high-speed steel (5% cobalt). Apex angle 135º. self-centering. material resistant to high heat and a spiral that conducts chips well. Cast iron. of steel. stainless steel. thermally treated materials and also aluminum. brass. copper. for manual and machine drilling of plastics.
The set includes:
- Metal drill Ø 1-1.5-2-2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-7.5 -8-8.5-9-9.5-10 mm
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