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Description:
Similar to a USS washer, but with slightly smaller inside and outside diameters. Also, most but not all SAE washers are made from thinner materials than USS washers.
Advantages:
SAE washers were designed to serve similar purposes as the USS washers, but specifically to meet the requirements in the field of automotive engineering.
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SAE Flatwashers
SAE LOW CARBON WASHERS ANSI B18.22.1 |
Bolt Size |
Outside Diameter |
Inside Diameter |
Thickness |
Nominal |
Max |
Min |
Nominal |
Max |
Min |
American Standard
(Gauge) |
Max |
Min |
4 |
5/16 |
0.320 |
0.307 |
1/8 |
0.133 |
0.120 |
(1/32) |
.040 |
.025 |
6 |
3/8 |
0.390 |
0.370 |
5/32 |
0.164 |
0.151 |
18 (3/64) |
.065 |
.036 |
8 |
7/16 |
0.453 |
0.433 |
3/16 |
0.196 |
0.183 |
18 (3/64) |
.065 |
.036 |
10 |
1/2 |
0.515 |
0.495 |
7/32 |
0.227 |
0.214 |
18 (3/64) |
.065 |
.036 |
3/16 |
9/16 |
0.577 |
0.557 |
1/4 |
0.265 |
0.245 |
18 (3/64) |
.065 |
.036 |
12 |
9/16 |
0.577 |
0.557 |
1/4 |
0.265 |
0.245 |
16 (1/16) |
.080 |
.051 |
1/4 |
5/8 |
0.640 |
0.620 |
9/32 |
0.296 |
0.276 |
16 (1/16) |
.080 |
.051 |
5/16 |
11/16 |
0.703 |
0.681 |
11/32 |
0.359 |
0.339 |
16 (1/16) |
.080 |
.051 |
3/8 |
13/16 |
0.827 |
0.805 |
13/32 |
0.419 |
0.401 |
16 (1/16) |
.080 |
.051 |
7/16 |
59/64 |
0.937 |
0.915 |
15/32 |
0.484 |
0.464 |
16 (1/16) |
.080 |
.051 |
1/2 |
1-1/16 |
1.092 |
1.055 |
17/32 |
0.546 |
0.526 |
13 (3/32) |
.121 |
.074 |
9/16 |
1-3/16 |
1.186 |
1.149 |
19/32 |
0.609 |
0.589 |
13 (3/32) |
.121 |
.074 |
5/8 |
1-5/16 |
1.342 |
1.305 |
21/32 |
0.686 |
0.649 |
13 (3/32) |
.121 |
.074 |
3/4 |
1-1/2 |
1.499 |
1.462 |
13/16 |
0.842 |
0.805 |
10 (9/64) |
.160 |
.108 |
7/8 |
1-3/4 |
1.780 |
1.743 |
15/16 |
0.968 |
0.931 |
10 (9/64) |
.160 |
.108 |
1" |
2" |
2.030 |
1.993 |
1-1/16 |
1.092 |
1.055 |
10 (9/64) |
.160 |
.108 |
1-1/8 |
2-1/4 |
2.280 |
2.243 |
1-3/16 |
1.280 |
1.243 |
10 (9/64) |
.160 |
.108 |
1-1/4 |
2-1/2 |
2.530 |
2.493 |
1-5/16 |
1.405 |
1.368 |
9 (5/32) |
.192 |
.136 |
1-3/8 |
2-3/4 |
2.780 |
2.743 |
1-7/16 |
1.530 |
1.493 |
9 (5/32) |
.213 |
.136 |
1-1/2 |
3" |
3.030 |
2.993 |
1-9/16 |
1.655 |
1.618 |
9 (5/32) |
.213 |
.153 |
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Email: 
sales@fastenerz.com
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