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These internal tooth lock washers are a solid choice when you need to keep bolts and nuts from loosening under vibration.


They're Grade 8 hardness, which means they're tough and heat-treated for strength.
You can use them around the house, on the farm, in automotive work, or in industrial settings.


This 10-pack gives you a handy supply for various projects.
They're zinc-plated for added corrosion protection, so they hold up well over time.

5 out of 5