Split Lock Washers Lock Washers place tension against a nut after tightening to help prevent loosening. We carry several different styles of lock washer including: Split lock washer (shown), high collar lock washer, lock washer external tooth, and lock washer internal tooth. Also available in Grade 5 and Grade 8. Available in the following finishes and sizes: Plain, Zinc Plated, Hot Dipped Galvanized, Black Oxide, Silicone Bronze, Yellow Zinc, Aluminum, 316 SS, and 304/18-8/410 SS.
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