High-performance ground standard twist drill made from heavy-duty high speed steel.
The fully ground twist drill has a precise concentricity.
Thanks to the split point, this drill has good centring properties and requires little pressure.
DIN 338, right hand cut, type N, 5% Cobalt alloyed, precision ground, bronze colour. Tipangle 135 deg., cross-ground to DIN1412 C, self centering, cylindrical,industrial quality,extreme heat resistance for difficult-to-work materials e.g. Steel and alloyed steel, stainless steel grades A2/ A4, cast iron and cast steel, bronze, plastics.