| HEX COUPLING
NUTS REDUCING SERIES |
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 |
All Dimensions in Inches | |
| HEX COUPLING
NUTS REDUCING SERIES |
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All Dimensions in Inches | |
| One End | Opposite End | Across Flats | Length |
| 1/4-20 | 5/16-18 | 1/2 | 1 |
| 1/4-20 | 3/8-16 | 1/2 | 1 |
| 1/4-20 | 1/2-13 | 5/8 | 1-1/4 |
| 1/4-20 | 3/4-10 | 1 | 1-1/2 |
| 5/16-18 | 3/8-16 | 1/2 | 1 |
| 3/8-16 | 1/2-13 | 5/8 | 1-1/4 |
| 3/8-16 | 5/8-11 | 13/16 | 1-1/4 |
| 3/8-16 | 3/4-10 | 1 | 1-1/2 |
| 1/2-13 | 5/8-11 | 13/16 | 1-1/4 |
| 1/2-13 | 3/4-10 | 1 | 1-1/2 |
| 1/2-13 | 7/8-9 | 1-1/4 | 1-3/4 |
| 5/8-11 | 3/4-10 | 1 | 1-1/2 |
| 5/8-11 | 7/8-9 | 1-1/4 | 1-3/4 |
| 3/4-10 | 7/8-9 | 1-1/4 | 1-3/4 |
| 3/4-10 | 1-8 | 1-3/8 | 2 |
| 3/4-10 | 1-1/8-7 | 1-1/2 | 3 |
| 3/4-10 | 1-1/4-7 | 1-5/8 | 3 |
| 7/8-9 | 1-8 | 1-3/8 | 2 |
| 7/8-9 | 1-1/4-7 | 1-5/8 | 3 |
| 1-8 | 1/2-13 | 1-3/8 | 2 |