Flat Washer Dimensions
|
Bolt Size
|
USS
|
SAE
|
||||
|
OD (in.)
|
ID (in.)
|
Thickness
|
OD (in.)
|
ID (in.)
|
Thickness
|
|
|
-
|
-
|
-
|
0.375
|
0.156
|
.036/.065
|
|
|
-
|
-
|
-
|
0.438
|
0.188
|
.036/.065
|
|
|
0.560
|
0.250
|
.036/.065
|
0.500
|
0.220
|
.036/.065
|
|
|
-
|
-
|
-
|
0.562
|
0.250
|
.051/.080
|
|
|
0.734
|
0.312
|
.051/.080
|
0.625
|
0.281
|
.051/.080
|
|
|
0.875
|
0.375
|
.064/.104
|
0.688
|
0.344
|
.051/.080
|
|
|
1.000
|
0.438
|
.064/.104
|
0.812
|
0.406
|
.051/.080
|
|
|
1.250
|
0.500
|
.064/.104
|
0.922
|
0.469
|
.051/.080
|
|
|
1.375
|
0.562
|
.086/.132
|
1.062
|
0.531
|
.074/.121
|
|
|
1.469
|
0.625
|
.086/.132
|
1.156
|
0.594
|
.074/.121
|
|
|
1.750
|
0.688
|
.108/.160
|
1.312
|
0.656
|
.074/.121
|
|
|
2.000
|
0.812
|
.122/.177
|
1.469
|
0.812
|
.108/.160
|
|
|
2.250
|
0.938
|
.136/.192
|
1.750
|
0.938
|
.108/.160
|
|
|
2.500
|
1.062
|
.136/.192
|
2.000
|
1.062
|
.108/.160
|
|
|
2.750
|
1.250
|
.136/.192
|
2.250
|
1.250
|
.108/.160
|
|
|
3.000
|
1.375
|
.136/.192
|
2.500
|
1.375
|
.136/.192
|
|
|
3.250
|
1.500
|
.153/.213
|
2.750
|
1.500
|
.136/.213
|
|
|
3.500
|
1.625
|
.153/.213
|
3.000
|
1.625
|
.153/.213
|
|
|
3.750
|
1.750
|
.153/.213
|
-
|
-
|
-
|
|
|
4.000
|
1.875
|
.153/.213
|
-
|
-
|
-
|
|
|
4.250
|
2.000
|
.153/.213
|
-
|
-
|
-
|
|
|
4.500
|
2.125
|
.153/.213
|
-
|
-
|
-
|
|
|
4.750
|
2.375
|
.193/.248
|
-
|
-
|
-
|
|
|
5.000
|
2.625
|
.210/.280
|
-
|
-
|
-
|
|
|
5.250
|
2.875
|
.228/.310
|
-
|
-
|
-
|
|
|
5.500
|
3.125
|
.249/.327
|
-
|
-
|
-
|
|