Faithfull M2 HSS Professional Blacksmiths drillbits are milled bits manufactured from M2 HSS with a bright finish & a reduced 12.7mm shank by 150mm length. These are ideal for general purpose use in metal & wood, suitable for use in bench or hand held equipment with a 13mm chuck capacity. Suitable for use in: Alloys steels, Carbon Steels, Cast Iron, Hardened alloy steels & Stainless Steels.