Wedge Locking Washers For Anti Vibration Bolts Carbon Steel With Zinc Flake Coating Through Hardened M4 Size Large Outer Diameter About 20mm Packed As Pairs Built For Gnarly Vibration And Brutal Dynamic Loads
✔️ M4 wedge-lock washers, 20mm OD, 20 pairs per package
These wedge-locking washers provide tension-based locking to resist loosening under severe vibration and dynamic loads. They’re paired units designed for bolted joints in general steel applications, helping reduce maintenance and downtime across industrial equipment and machinery.
✅ Material: Carbon steel
✅ Finish: Delta Protekt zinc flake coating
✅ Locking method: wedge-based tension lock
✅ Bolt size: M4 (compatible with #8 bolts)
✅ Outer diameter: ~20 mm
✅ Hardened: through-hardened
✅ Pack size: 20 pairs per package
💡 What is a wedge-locking washer used for in high-vibration bolt assemblies?
- built to resist loosening under dynamic loads with a tension-based wedge
- ideal for general steel applications and M4 fasteners
- reduces downtime and maintenance costs in industrial equipment