sourcing map 5pcs Hex Head Wrench Drill Bit 4mm (H4) Metric 1/4" Hex Shank 100mm (4") Long Magnetic S2 Steel Screwdriver Bits Industrial Grade Hexagon Flat Tip Drill Bits for Screws

Product description

• Size - Hex wrench drill bit size 4mm (H4), hex shank size 1 4", total length 100mm 4", rod dia. 5.5mm 0.22", effective rod length 74mm 0.94", hardness HRC58-60. Each hex screwdriver bit is clearly engraved with size number for easy identification.
• Material - Magnetic tips screwdriver drill bit is made of heat-treated S2 steel, the surface is finely polished, glossy, and smooth, reducing friction resistance, excellent corrosion resistance and rust resistance, better than ordinary sandblasting products, anti-bending, anti-fracture, not easy to deform, and durable.
• Feature - Industrial screwdriver bit adopts a strong magnetism design and can absorb screws vertically or tilted. The head is a hexagonal flat head shape, which can make close contact with the screw, making disassembly and installation more stable and less likely to slip.
• Application - Magnetic hex head bit has higher torque making it easier to remove and install screws in a small space. It is suitable for furniture assembly, mechanical equipment installation, automobile maintenance, home DIY projects, homemade furniture, woodworking, etc.
• Note - 1 4 inch quickly release hex shank driver bits widely used in manual electric screwdrivers, drills, 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.