Upgrade your fastening solutions with these premium Black Oxide Button Head Socket Cap Screws. Crafted from Grade 10.9 carbon steel, these screws deliver exceptional shear and tensile strength, making them suitable for high-stress environments. The black oxide finish enhances corrosion resistance while maintaining a clean aesthetic.
Machine screws the internal hex drive design allows for secure tool engagement with a standard Hex wrench, minimizing slippage during installation. With a 1/4-20 UNC thread pattern, these screws comply with American standards and seamlessly integrate into existing assemblies.

Package Includes:
48pcs of black hex button head screws are organized in a separated grids storage box.
1/4-20*3/8"--16pcs;
1/4-20*1/2"--12pcs;
1/4-20*3/4"--9pcs;
1/4-20*1"--7pcs;
1/4-20*1-1/2"--4pcs;
1pcs free relevant hex wrenchs