ABOUT THIS CATEGORY
Internal tooth lock washers have teeth around the inner diameter that bite into the fastened material and the bolt head to prevent it from loosening. Their teeth also act as a shock absorber to withstand shocks and vibrations. In electrical applications, the teeth abrade the grounding surface to improve the electrical connection. Internal tooth lock washers are commonly made from stainless steel for corrosion prevention and are available in various diameter sizes.
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