3Pcs Impact Phillips Screwdriver Bits PH1/PH2/PH3 4" Long 1/4" Hex Shank

Specially heat-treated S2 steel has better impact resistance and better wear resistance while maintaining high hardness. Black phosphating has better corrosion resistance, can isolate metal from contact with air and moisture, and delay rusting of the substrate. Magnetic screwdriver bit can automatically absorb the screws: when working in narrow spaces (such as inside a chassis or precision instrument) or at heights, it can firmly absorb the screws to prevent them from falling off, and can quickly align the screw holes in blind holes or places with obstructed vision (such as car repair and appliance disassembly and assembly). Reduce the risk of screws falling into machine gaps or on the ground, as well as stripping or scratches of screws due to repeated misalignment. Standard 1/4 inch hex shank suitable for any conventional drill, electric screwdriver, manual screwdriver, electric drill, corded drill, cordless drill, cordless screwdriver, etc. The cross impact drill bit is suitable for fastening in various fastening applications, suitable for installation of various frames, floors and roofs. Phillips bits are widely used in mechanical equipment (such as motors, machine tools), automobile/motorcycle maintenance (such as interior panels, engine parts), furniture assembly (such as screw fixing), electronic products (such as mobile phones, computer internal screws), household appliances (such as washing machines, air conditioner installation) Avoid slipping: Mismatch between the bit and the screw or wear will cause the screw slot to "slip", so the bit needs to be replaced in time; Control strength: When the power tool is running at high speed, it is easy to cause the screw to be over-tightened or broken; Maintain the bit: Clean the metal chips of the magnetic bit regularly and apply a small amount of lubricating oil to prevent rust.