INTERNAL EXTERNAL TOOTH SERRATED LOCK WASHERS SHAKEPROOF STAINLESS STEEL WASHER

A2 Stainless Steel,Sockproof Toothed Washers. Choice of External Tooth Serrated Lock Washers, select from above. External Washers DIN 6798. Internal Washers DIN 6798. Bolt World. A2 Stainless Steel for improved corrosion resistance.

eBay