Allstar Performance standard back up washer sized for 1/8in fasteners. Made from aluminum with a natural finish. Sold in a bulk pack of 500.
- Inside Diameter: 1/8 in
- Outside Diameter: 3/8 in
- Thickness: 0.06 in
- Material: Aluminum
- Finish: Natural
- Pack Quantity: 500
Spec Sheet: Allstar Spec Sheet
Compatibility
Compatible with 1/8in fasteners, rivets, or screws requiring a back up washer. This is a distinct product line from the standard USS, SAE, and AN flat washers, and from the fender and backer washer lines.
FAQ
What size fastener does this back up washer fit?
This back up washer fits a 1/8in fastener, with an inside diameter of 1/8 in.
What is the outside diameter of this washer?
The outside diameter is 3/8 in.
What material is this washer made from?
This washer is made from aluminum with a natural finish.
How many washers are included?
This listing includes a bulk set of 500 washers.
How is this different from a standard flat washer?
This is a back up washer, a smaller-profile washer designed to sit behind a rivet, screw, or fastener head rather than a general-purpose flat washer.

