Pro Grade Copper Wedge Lock Washers For M8 M10 M12 M16 M20 Heavy Duty Self Locking Nut Bolts Rust Resistant Industrial Hardware Kit Rock Solid Secure Fit All Sizes

Copper wedge lock washers secure heavy duty bolts firmly
✔️ Offers metric sizes from M8 up to M20 in bulk packs.

You get extra grip on your bolts so vibrations never shake things loose again. These copper wedges bite into nut faces to stop slips on heavy equipment. Mount your tractor arms or bridge beams knowing they will hold tight through rough days.

✅ M8 fits an 8.7 mm inside diameter. ✅ M8 outside diameter measures 13.5 mm. ✅ M8 thickness stays at 2.5 mm. ✅ M10 takes a 10.7 mm inner opening. ✅ M10 outside width reaches 16.6 mm. ✅ M10 thickness remains 2.5 mm. ✅ M12 clears a 13.0 mm central gap. ✅ M12 outer rim covers 19.5 mm. ✅ M12 plate height sits at 2.5 mm. ✅ M16 works with a 17.0 mm inner bore. ✅ M16 outside dimension spans 25.4 mm. ✅ M16 plate depth increases to 3.4 mm. ✅ M20 accepts a 21.4 mm middle cutout. ✅ M20 outer edge reaches 30.7 mm. ✅ M20 thickness stands firm at 3.4 mm.

💡 Why do mechanics prefer wedge lock washers for vibrating steel assemblies?
This hardware stays handy when torque drops off after repeated shaking. The split tooth pattern grabs mating surfaces immediately to kill rotational drift. - Dual angled rings clamp down tight against nut sides. - Copper material sheds moisture so joints refuse to rust in place. - Thick plates spread force evenly to stop thread stripping on light metals.

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