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Fender Washer Reference Guide

Fender Washers are built with a large O.D. creating an extra wide bearing surface. They're also built with thinner gauge metal than USS or SAE Washers.

Fender Washers are used where an extra wide bearing surface is required. They were built originally for auto body repair work, but now they're used for many different applications such as sheet metal work, plumbing, electrical work, attaching signs to sign posts, installing drywall, wood paneling, many hobby and craft projects as well in the Marine Industry.

Fender Washer Data-Sheets


Diameter Measurements


Bolt Size
Inside Diameter
(± .010)
Outside Diameter
(± .010)
1/4"9/32"1"
1/4"9/32"1-1/4"
1/4"9/32"1-1/2"
1/4"9/32"1-3/4"
1/4"9/32"2"
5/16"11/32"1"
5/16"11/32"1-1/4"
5/16"11/32"1-1/2"
5/16"11/32"2"
5/16"11/32"2-1/2"
3/8"13/32"1-1/4"
3/8"13/32"1-1/2"
3/8"13/32"1-3/4"
3/8"13/32"2"
3/8"13/32"2-1/2"
1/2"17/32"1-1/4"
1/2"17/32"1-1/2"
1/2"17/32"1-3/4"
1/2"17/32"2"
1/2"17/32"2-1/2"
1/2"17/32"3"
5/8"11/16"1-1/4"
3/4"13/16"2 (± .015)
7/8"15/16"2-1/2 (± .015)

Fender Washer Thicknesses


Bolt Size
Minimum
Thickness
Maximum
Thickness
1/4".080.051
1/4".080.051
1/4".080.051
1/4".080.051
1/4".080.051
5/16".080.051
5/16".080.051
5/16".080.051
5/16".080.051
5/16".080.051
3/8".080.051
3/8".080.051
3/8".080.051
3/8".080.051
3/8".080.051
1/2".080.051
1/2".080.051
1/2".080.051
1/2".080.051
1/2".080.051
1/2".080.051
5/8".084.074
3/4".080.051
7/8".118.101

Last Updated: Dec 12, 2016
Update History:
Dec 12, 2016 by jsjohnson from Calgary Fasteners
Jan 6, 2016 by jsjohnson from Calgary Fasteners
Jan 6, 2016 by jsjohnson from Calgary Fasteners