These washers have a locking feature to resist loosening from vibration.

Install on shafts, under bolt heads, and at the ends of valves to maintain tension and separate components. Unlike washers, disc springs return to their original height once the load is removed.

For routine maintenance and quick repairs, these kits include instant-bond adhesive, threadlocker, retaining compound, pipe thread sealant, gasket maker sealant, and primer.

Prevent threaded fasteners from loosening due to shock and vibration.