Combination Internal/External Tooth Lock Washers Are Used For Applications Including Construction, Industrial, Manufacturing, And More.
Combination internal/external tooth lock washers are made of steel for long lasting durability and dependability. Internal teeth secure bolt heads or nuts to prevent backoff rotation for smaller head screws. External teeth secure bolt heads or nuts to increase bearing area for greater hardness and rotation without distortion. Washers provide dual functionality for application versatility.
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