BAMILL 1PCS 80mm Length 1/4 Hex DriveSocket Impact Nut Bolt Drill Bits

Features: * brand new and high quality. *It is suitable for pneumatic screwdriver and ordinary hand electric drill. It is mainly used for installing and disassembling hexagonal head screw and hexagonal head nut. *It is made of high quality chrome vanadium steel hardened by high temperature heat treatment hardness above HRC60 not easy to be deformed and worn and durable. *With a strong core it can absorb screws for easy removal and installation of hex head screws and nuts. *The hex shank design increases the clamping force and is widely used. Specifications: Material:chrome vanadium steel Colour:metallic Hardness:HRC60 Total length: 80mm Diameter:5.5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm 13mm 14mm 15mm 16mm 17mm 18mm 19mm（optional） Package Contents: 1*Hex Sockets