Bosch Twist Drill Gstand Din338 5 X 10un Hss G 10x 5mm 2608595062 HSS Twist Drill Bit offers solid drilling for standard usage with metal 135-degree self-centering split-point tip combines active cutting and perfect centering without wandering Precision-ground bit made of HSS enables fast results The cylindrical shank is compatible with three-jaw drill chucks. Materials Steel Cast iron Drilling With High Precision HSS Twist Drill Bit offers solid drilling for standard usage with metal Precision-ground bit made of HSS enables fast results No need to pre-punch or pilot drill up to 10 mm-diameter Manufactured to DIN 338, drill bit Type N (flute angle) with a 135-degree tip, diameter tolerance h8 The HSS Twist Drill Bit Ground is manufactured to DIN 338. The drill bit is Type N (flute angle) with a 135-degree tip and a diameter tolerance of h8. It has a cylindrical shank system (shank equal to drill bit diameter) and is intended for use in drill stands and drill drivers.