3/8" x 11/16" Polished 18-8 Stainless Steel Lock Washers (10 pcs.) Diameter: 3/8" Diameter 2: 11/16" Thickness: 3/32" Material: Stainless Steel Finish: Polished Hardness: 18-8 Style: Medium Split Type: Lock Washer Box of 10. 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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