| Brand | Unbranded |
|---|---|
| UPC | 738287039856 |
Check the listing for details. 7/16" x 51/64" Zinc Grade 2 Internal Tooth Lock Washers (100 pcs). Condition: New. Listed at 17.06 USD. Diameter: 7/16" Diameter 2: 51/64" Thickness: 1/16" Material: Steel Finish: Zinc Hardness: Grade 2 Nominal Size: 7/16" Style: Internal Tooth Type: Lock Washer Application: Smaller head screws Box of 100. The purpose for a lock washer is to prevent threaded fasteners from loosening by creating friction between the fastener and the mounting surface.