Faithfull HSS Professional Blacksmith's M2 Drill Bits are milled bits manufactured from M2 HSS with a bright finish and a reduced 12.7mm shank. Overall length 150mm. Ideal for general-purpose use in metal and wood, for use in bench or handheld equipment with a 13mm chuck capacity. Suitable for use in alloy steel, carbon steel, cast iron, hardened alloy steel and stainless steel.