Extremely robust: the production of solid metal results in an extremely robust body of the Impact Control HSS twist drill bit HIGH DURABILITY Precision ground spiral groove for reduced wear when drilling. The use of e.g. oil as a coolant, also extends the life of the twist drill bit Precise work: active cutting with low contact force and perfect centring thanks to split-point drill tip Areas of application: ideal for use in alloyed and unalloyed steel, cast steel, cast iron, sintered iron, non-ferrous metals, sheet metal and plastic COMPATIBILITY Fits all impact drills, drill drivers and drill stands with hex shank mount