Copper Split Lock Washers for M8 hardware 10-pack
✔️ 10x M8 copper split lock washers, pickled finish, 2.0-2.2mm

These copper split lock washers are designed to work with M8 fasteners, forming a sturdy anti-loosening solution for DIY machinery and automotive projects. The 10-piece set uses a pickled copper finish for strong oxidation resistance and long service life. Inner Dia: 8.1-8.7 mm; Outer Dia: 12.1-13.1 mm; Thickness: 2-2.2 mm (0.32-0.34 in x 0.48-0.52 in x 0.08-0.09 in).

✅ Inner Dia: 8.1-8.7 mm (0.32-0.34 in); Outer Dia: 12.1-13.1 mm (0.48-0.52 in); Thickness: 2-2.2 mm (0.08-0.09 in)
✅ Material: copper with pickling finish for corrosion resistance
✅ Function: prevents loosening from vibration and aging
✅ Easy to use: place under bolt or nut to distribute load evenly
✅ Wide application: suitable for metal plates, decks, furniture, and electrical work

💡 What is a copper split lock washer used for in hardware assemblies?

This handy washer helps keep fasteners tight in vibration-prone setups. - anti-loosening performance for mechanical assemblies - loads are distributed under bolt heads or nuts for better security - compatible with screws, nuts, and bolts of the same size in metalwork and automotive repairs - copper with pickled finish offers corrosion resistance for outdoor use