Suitable for alloyed and non-alloyed steel up to a tensile strength of 900 N/mm², cast steel, cast iron, sintered iron, malleable cast iron, non-ferrous metals, hard plastics. 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. Self-centring split point drill tip means there is no need to pre-punch or pilot drill up to 10 mm diameter. The HSS-G drill bits are available in two qualities. The Topline drill bits are for the highest requirements and the standard drill bits are for professional use. Twist drill bit made of high speed steel manufactured to DIN 340. Right-hand cutting twist drill bit, Type N, 135° drill bit tip, split point manufactured to DIN 1412 C, diameter tolerance h 8. Twist drill bit ground from solid metal with oxide-coated surface for the best chip removal. Shank equal to drill bit diameter, drill bit colour: polished in packs of 1, black in packs of 5. Two-cutter, cylindrical, two flutes. Pack of 5. 11 x 128 x 195 mm.