The KDHSP range are a HSS split point drill bit, available in sizes from 2mm through to 12mm. A high speed steel twist drill to DIN 338 with a 135 split point. The split point is self-centring for an easier hole start with less pressure, and the cutting edge is precision ground for a fast cut and clean finish. It suits alloy and carbon steels, cast iron, hardened alloy and stainless steel, wood and soft materials.