5/8" x 1-3/32" Polished 18-8 Stainless Steel Lock Washers (5 pcs.) Diameter: 5/8" Diameter 2: 1-3/32" Thickness: 3/16" Material: Stainless Steel Finish: Polished Hardness: 18-8 Style: Medium Split Type: Lock Washer Box of 5. The purpose for a lock washer is to prevent threaded fasteners from loosening by creating friction between the fastener and the mounting surface.
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