Fitted with 1/4" hex shanks for compatibility with a wide variety of power tools and with quick change tool holders, these HSS drill bits are ideal for drilling into soft steel and non ferrous metals. They will also work on a wide variety of additional materials, including wood and plastic. The drill bits are impact rated which means they are suitable for use in impact drivers. Features and Benefits • HSS Drill bits: ideal for drilling into metal • Quick change 1/4" hex shank • Hex shank prevents slipping in standard drill chucks • Suitable for impact drivers and hex chuck drill drivers as well as standard corded or cordless drills Contents • Hex Shank HSS Drill Bit 4mm • Hex Shank HSS Drill Bit 5mm • Hex Shank HSS Drill Bit 6mm