2Pcs T40 Torx Screwdriver Bit 1/4" Hex Shank 4" Long S2 Steel Magnetic 6 Point Screw Driver Bits Industrial Grade Tamper Proof Star Drill Bits With Hole Torx Head

Made of heat-treated S2 steel with a hardness of up to HRC58-62, the torx head screwdriver bit is resistant to bending, breaking, not easy to deform, and durable. The surface is bluing treated to effectively prevent rust and corrosion, ensuring long-term use. With a strong magnetism design, the star screwdriver bit can tightly absorb the screws vertically or tilted without worrying about falling off. Each magnetic torx drill bit is engraved with a clear specification for easy and quick identification. The head is in a hexagonal plum shape, which can be tightly connected with the screws, providing greater torque to ensure more stable installation and removal. Tamper proof screw driver bit is suitable for furniture assembly, electronic repair, car repair, mechanical maintenance, home DIY projects, etc. Widely used in manual electric screwdrivers, drills, electric drills, etc. Please check whether it is firmly installed on the power tool before use. Please control the force applied when using the drill bit to avoid over-tightening or using excessive force to damage the screws.