7Pcs H1.5-H6 Flat Hex Head Screwdriver Bit Set 4" Long 1/4" Hex Shank Magnetic

Hex head drill bit is made from specially heat-treated S2 steel for superior strength, hardness (HRC59-61) and durability. The black phosphate coating provides corrosion resistance and reduces friction for smoother operation and longer screwdriver bit life. Metric hexagonal screwdriver head is magnetized for easy use. The magnetic hex head screwdriver can stably absorb screws vertically or tilted, and can easily fix screws even in a small space. The special torque buffer design absorbs the vibration generated during operation, increases torque transmission, protects the screwdriver head, reduces head wear, and extends service life. Hex drill bit wrench is specifically designed for driving screws into wood, metal, and other materials effortlessly, and can accurately tighten screws without damaging screws and hex bit socket. Suitable for removing or installing screws for furniture assembly, mechanical equipment installation, automotive repair, home DIY projects, homemade furniture, architectural woodworking construction, etc. The 1/4" hex shank screwdriver bits are widely used in manual electric screwdrivers, drills and electric drills. Avoid excessive force when tightening the screws to prevent the screwdriver bit from being damaged or slipping out. Store the screwdriver bits in a dry place to prevent rust and maintain its performance.