Need some heavy-duty fasteners for your DIY projects? These uxcell socket head cap screws are built tough! They're made from 12.9 grade alloy steel, which is one of the strongest grades available, and they come in a sleek black finish. Each screw is M4 in diameter and 40mm in total length, with 22mm of thread.
The hex socket drive (3mm Allen key size) gives you great torque transfer, so you can really tighten them down without stripping. They're perfect for machinery, automotive work, furniture assembly, robotics, or any application where you need a reliable, high-strength bolt.
You get 20 screws in the pack, which is plenty for most projects. Whether you're fixing equipment at the factory or building something cool in your garage, these bolts won't let you down. Just make sure you have the right Allen wrench handy!
