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| Nominal size of Bolts |
Diameter of hole A Tolerance + 1/32 in |
Outside diameter B |
Thickness C Tolerance +/- 1 gauge |
|
|---|---|---|---|---|
| Inch | S.W.G. | Inch | ||
| 1/4 | 9/32 | 3/4 | 12 | 0.104 |
| 5/16 | 11/32 | 7/8 | 12 | 0.104 |
| 3/8 | 13/32 | 1 | 12 | 0.104 |
| 7/16 | 15/32 | 1 1/8 | 12 | 0.104 |
| 1/2 | 9/16 | 1 1/4 | 12 | 0.104 |
| 9/16 | 5/8 | 1 3/8 | 10 | 0.128 |
| 5/8 | 11/16 | 1 1/2 | 10 | 0.128 |
| 3/4 | 13/16 | 1 3/4 | 9 | 0.144 |
| 7/8 | 15/16 | 2 | 8 | 0.160 |
| 1 | 1 1/16 | 2 1/4 | 7 | 0.176 |
| 1 1/8 | 1 3/16 | 2 1/2 | 7 | 0.176 |
| 1 1/4 | 1 3/8 | 2 3/4 | 6 | 0.192 |
| 1 3/8 | 1 1/2 | 3 | 6 | 0.192 |
| 1 1/2 | 1 5/8 | 3 1/4 | 6 | 0.192 |
| 1 5/8 | 1 3/4 | 3 1/2 | 5 | 0.212 |
| 1 3/4 | 1 7/8 | 3 3/4 | 5 | 0.212 |
| 1 7/8 | 2 | 4 | 5 | 0.212 |
| 2 | 2 1/8 | 4 1/4 | 5 | 0.212 |