3/16-Inch Steel Backup Washers, 1/2-Inch Outside Diameter, 500-Pack

These 3/16-Inch Steel Backup Washers provide additional support and reinforcement when installing blind rivets in sheet metal, metal panels, and other compatible materials. Featuring a 3/16-inch nominal hole size and 1/2-inch outside diameter, these durable steel washers help distribute fastening pressure across a wider surface area, reducing the risk of rivets pulling through thin or softer materials. The steel construction provides strength and durability for demanding fastening applications. Ideal for construction, automotive repairs, metal fabrication, and general maintenance, these backup washers help create secure and reliable riveted connections. Packaged in a convenient box of 500, they are a practical choice for contractors, metalworkers, and maintenance professionals.