4Pcs Flat Hex Screwdriver Bit H4 Magnetic Tip 1/4" Hex Shank 4" Long S3 Steel

The magnetic tip screwdriver bits are made of heat-treated S3 steel for superior strength, hardness (HRC58-60) and durability. The surface is mirror-polished, glossy and smooth, reducing friction resistance, with excellent corrosion and rust resistance, anti-bending, anti-breaking, not easy to deform. The screw driver hex head of the screwdriver is magnetic and easy to use. It can absorb screws stably vertically or tilted, making it easy to fix screws, especially in confined spaces. Precision CNC machined flat hexagonal head can be in close contact with the screw, making the removal and installation more stable and not easy to slip. Magnetic hex head bit can drive screws into wood, metal, and other materials effortlessly, and accurately tighten screws without damaging screws and hex bit socket. It is suitable for furniture assembly, mechanical equipment installation, automobile maintenance, home DIY projects, homemade furniture, woodworking, etc. 1/4 inch quickly release hex shank driver bits widely used in manual electric screwdrivers, manual screwdrivers, and electric drills. Check whether it is firmly installed on the power tool before use. Keep it away from high magnetic and high-temperature environments when storing it to avoid affecting the magnetic effect.