This precision ground HSS-G drill bit enables up to 40% faster drilling rate and up to 50% lower feed pressure than standard-ground HSS drill bits with a chisel edge Featuring a self-centring split point drill tip means there is no need to pre-punch or pilot drill up to 10mm diameter. The 2608596827 is suitable for use on alloyed and non-alloyed steel, cast iron, cast steel, sintered iron, malleable cast iron, non-ferrous metals, and hard plastics. Has an 8mm diameter and is sold as a pack of 5. Features: 135 Drill bit tip Manufactured to DIN 340 Shank equal to drill bit diameter Two-cutter, cylindrical, two flutes Twist drill bit ground from solid metal Right-hand cutting twist drill bit, Type N Specification: Diameter: 8mm Pack Qty: 5 pack Total length: 165mm Working length: 109mm