50 Pcs M8 304 Stainless Steel Lock Washers Deliver Rock Solid Hold With Double Sided Knurled Teeth On High Quality Disc Spring Washers Perfect For Securing Hardware Without Any Slip Up

Bulk pack of fifty m8 lock washers for steady hardware
✔️ OD 13mm 0.51in ID 8mm 0.31in THK 0.8mm 0.031in 304 stainless

You need reliable hardware that stays tight under vibration. These fifty m8 lock washers grip bolts securely on machinery or home projects. The knurled teeth bite into surfaces while the spring design keeps tension constant. ✅ Outer edge reaches 13mm 0.51in across the entire band
✅ Opening measures 8mm 0.31in to fit matching bolt shanks
✅ Material stack stands 0.8mm 0.031in thick for compact builds
✅ Grade 304 stainless stops rust in damp outdoor jobs

💡 What makes preloaded disc springs so handy for keeping screws tight on moving gear?
Your hardware stays secure because the curved plates store energy.
- They absorb sudden shocks that would otherwise shake bolts loose
- The knurled edges grab flat surfaces without needing extra nuts
- Standard metric sizing drops right into existing tool setups
- Rust resistant metal outlasts plain carbon steel by years