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SAE Washer
A standard flat washer with a smaller outside diameter. They are used with fasteners to help span clearance holes and to distribute the load from tightening. The standard was developed by the Society of Automotive Engineers (SAE).
Dimensions
| Nominal Dia. | ID | OD | Thickness |
|---|---|---|---|
| No. 4 | 1/8 | 5/16 | 1/32 |
| No. 6 | 5/32 | 3/8 | 3/64 |
| No. 8 | 3/16 | 7/16 | 3/64 |
| No. 10 | 7/32 | 1/2 | 3/64 |
| 3/16 | 1/4 | 9/16 | 3/64 |
| 12 | 1/4 | 9/16 | 1/16 |
| 1/4 | 9/32 | 5/8 | 1/16 |
| 5/16 | 11/32 | 11/16 | 1/16 |
| 3/8 | 13/32 | 13/16 | 1/16 |
| 7/16 | 15/32 | 59/64 | 1/16 |
| 1/2 | 17/32 | 1 1/16 | 3/32 |
| 9/16 | 19/32 | 1 3/16 | 3/32 |
| 5/8 | 21/32 | 1 5/16 | 3/32 |
| 3/4 | 13/16 | 1 1/2 | 9/64 |
| 7/8 | 15/16 | 1 3/4 | 9/64 |
| 1 | 1 1/16 | 2 | 9/64 |
| 1 1/8 | 1 3/16 | 2 1/4 | 9/64 |
| 1 1/4 | 1 5/16 | 2 1/2 | 5/32 |
| 1 3/8 | 1 7/16 | 2 3/4 | 5/32 |
| 1 1/2 | 1 9/16 | 3 | 5/32 |