Aluminum Pop-Rivet Back Up washers for pop rivets increase the installation surface area of your rivets, distributing weight and force over a larger surface area to prevent rivet pull-through.

Available sizes:

• 1/2" Outside Diameter | 3/16" Inside Diameter
• 3/8" Outside Diameter | 1/8" Inside Diameter

Sold in packs of 500 washers.

Bulk purchase discount when buying 10+ boxes!

Specifications: Aluminum Pop-Rivet Back Up washers

AS-10: 40660|1/2" OD 3/16" Inside Diameter|500

Inside Diameter	3/16 in.
Outside Diameter	1/2 in.
Finish	Aluminum
Box size	500 washers

AS-8: 40657|3/8" OD 1/8" Inside Diameter|500

Inside Diameter	1/8 in.
Outside Diameter	3/8 in.
Finish	Aluminum
Box size	500 washers