10Pcs SAE Hex Head Wrench Drill Bit Set 1/4in Shank Magnetic Screwdriver Bit

Features: *These allen wrench drill bits made of high-quality S 2 alloy steel after a special heat treatment process the hardness of 58-60HRC while having a high torque can withstand the instant impact of large torque pneumatic tools greatly improving the service life. *CNC precision processing technology to ensure the accuracy of the product is the ideal industrial grade drill bits. The black phosphate treatment on the surface of the drill bit can effectively prevent it from being corroded and rusted. *Magnetic drill bit is easy to use; clear markings make it easier to find the drill bit you need. Commonly used in the repair of cars bicycles machinery and the assembly and disassembly of furniture. *Set of 10 pieces hex drill bits: SAE of 5/64 3/32 7/64 1/8 9/64 5/32 3/16 7/32 1 /4 5/16 Specifications: Material： high quality solid S 2 Steel. Color:Black Craftsmanship：oxide finish for protection against corrosion. shank diameter：1/4inch . With electric screwdrivers screwdrivers electric drills and air drills. Package Included: 10PCS Drill