Powerful, DIN 338 Ground standard twist drill made of high-performance high-speed steel with TiN Coating. The completely ground twist drill has a precise concentricity. Due to the cross-bevel, this drill has good centering and requires a low feed force. The titanium-nitrite coating is a universally applicable standard coating. It offers a 300-400% longer service life compared to uncoated tools. Contains 19 Pieces 1-10MM in increments of 0.5MM.