SAE Washers

S.A.E Flat Washers

Similar to a USS washer, but with a slightly smaller inside and outside diameters. Also, most but not all SAE washers are made from thinner materials than USS washers.

SAE washers were designed to serve similar purposes as the USS washers, but specifically to meet the requirements in the fields of automotive engineering.

Dimensions

Bolt Size Outside Diameter Inside Diameter Thickness Approx. Quan. per 50#’s
Nom. Max Min Nom. Max Min American Standard (Gauge) Max Min
6 3/8 0.406 0.344 5/32 0.187 0.156 18 (3/64) .065 .036 39500
8 7/16 0.469 0.407 3/16 0.219 0.188 18 (3/64) .065 .036 29500
3/16 1/2 0.531 0.469 7/32 0.250 0.219 18 (3/64) .065 .036 22750
12 9/16 0.583 0.531 1/4 0.281 0.250 16 (1/16) .080 .051 14700
1/4 5/8 0.656 0.594 9/32 0.312 0.281 15 (1/16) .080 .051 11100
5/16 11/16 0.719 0.657 11/32 0.375 0.344 16 (1/16) .080 .051 9750
3/8 13/16 0.843 0.781 13/32 0.437 0.406 16 (1/16) .080 .051 7000
7/16 59/64 0.953 0.891 15/32 0.500 0.469 16 (1/16) .080 .051 5500
1/2 1-1/16 1.093 1.031 17/32 0.562 0.531 13 (3/32) .121 .074 2800
9/16 1-3/16 1.219 1.157 19/32 0.625 0.594 13 (3/32) .121 .074 2250
5/8 1-5/16 1.343 1.281 21/32 0.687 0.656 13 (3/32) .121 .074 1850
3/4 1-1/2 1.531 1.469 13/16 .0843 0.812 10 (9/64) .160 .108 1050
7/8 1-3/4 1.781 1.719 15/16 0.969 0.938 10 (9/64) .160 .108 775
1″ 2″ 2.031 1.969 1-1/16 1.094 1.062 10 (9/64) .160 .108 585
1-1/8 2-1/4 2.313 2.187 1-3/16 1.251 1.188 10 (9/64) .160 .108 460
1-1/4 2-1/2 2.563 2.437 1-5/16 1.375 1.312 9 (5/32) .192 .136 335
1-3/8 2-3/4 2.813 2.687 1-7/16 1.501 1.438 9 (5/32) .213 .136 275
1-1/2 3″ 3.063 2.937 1-9/16 1.625 1.562 9 (5/32) .213 .153 230

 

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