Uxcell Hex Socket Bolt Kits (M2 M3 M4), Grade 12.9 Allen Socket Drive Screws

Description:1. Material: The hex socket head cap screws are made of grade 12.9 carbon steel, which has higher corrosion resistance and rust resistance than ordinary bolts, longer service life, less prone to damage, and stronger.2. Design: The head of these hexagon socket head screws is cylindrical, with a hexagonal hole in the top centre, which provides better torque transmission and more stable performance. Its screws are fully threaded, very smooth and precise. The force is evenly distributed and not easy to slip, so it is suitable for replacing old bolts at any time.3. Wide Application: Hexagon socket screws are essential for assembling machines, equipment and tools to maintain their structural integrity. They are suitable for indoor and outdoor use, such as automobiles, bicycles, communication equipment and ship assembly.4. Note: Before purchasing, please confirm the correct size required. It is recommended to use a calliper for measurement and try to avoid using a ruler or tape measure.Specification:Color: BlackMaterial: Carbon SteelPerformance Grade: 12.9Size: M2x4/6/8/12/16/20,M3x6/8/12/16/20/30,M4x8/10/12/16/20/30Package Content: 990pcs x Socket Head Cap Screws Bolts