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Your cart is empty. A Lock washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.
50 Pcs Internal/External Star Type Lock Washers.
Rob Kranenburg
Reviewed in the United States on September 5, 2024
These things work. They are lockwashers, the teeth are on the inside, the sizing is correct, all that is fine. The material is very thing and kind-of soft, a lot softer than "professional" lockwashers, and I'm curious to see if they hold. Best guess, they're fine to install once and then leave them alone, but if you have to re-do the bolt connection I would install a new/fresh lockwasher. Relying on the spring-back in the teeth etc seems too risky.
John shelley
Reviewed in the United States on March 11, 2018
Too small...that's allI thought they would be bigger...
Long-Time__Customer
Reviewed in the United States on July 26, 2017
These are really fine little washers-They did the job I needed perfectly. And, they are very hard to find locally, actually impossible.
Pete the shopper
Reviewed in the United States on July 2, 2017
Works well to lock 3mm screws.
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