20 Pieces M12 Fender Flat Washers 40mm Outer Diameter 3mm Thick Zinc Plated Carbon Steel For Heavy Duty Bolt And Screw Fastening Pro Grade Built Tough Large Stress Area Delivers Solid Even Load Distribution

Heavy-Duty M12 Fender Washers, 20 pcs, 40mm OD (1.6"), 12mm ID (1/2"), 3mm Thick
✔️ Fits M12 bolts; 40mm OD; 3mm thick; zinc plated steel

These heavy-duty M12 fender washers distribute load across a large bearing surface when fastening bolts and screws. They’re ideal for metal and wood projects, including outdoor use where stability and corrosion resistance matter.

✅ 20 pieces in a sturdy storage container
✅ I.D 12mm (1/2"), O.D 40mm (1.6"), 3mm thick (0.12")
✅ Carbon steel Q235 with zinc plating for rust resistance
✅ Large stress area provides solid, even load distribution
✅ GB96 standard compatible with M12 hardware

💡 What is a handy way to distribute load with fender washers in fastener assemblies?

Handy option for improving joint stability by spreading load over a larger bearing surface.

- Fender washers spread load across a wider surface area - Zinc plating adds rust resistance for outdoor or damp environments - M12 compatibility ensures reliable fastening with common bolts and nuts ✝️