The IRWIN® HSS Pro Drill Bits are made from high-performance, high-speed steel. They have a 118° split point shape for increased performance and very good centring. The drill bits ensure precision starting, with no need to pre-punch or pilot drill. They penetrate the material quickly, requiring little effort and feed pressure. Manufactured to DIN 338 standards. DIN 338 drill bits are suitable for many trade and industrial applications in alloyed and unalloyed steel, non-ferrous metal, cast iron and plastics.Select Option 11.0mm OL:142mm WL:94mm12.0mm OL:151mm WL:101mm14.0mm OL:160mm WL:108mm16.0mm OL:178mm WL:120mm Add to Basket Quantity