Heavy Hex Nut
These nuts are wider than a standard hex nut. They distribute the load over a larger area for a stronger more secure connection. They are also stronger than the same size nut of a comparable grade.
Other Names: Extra Heavy Nut
Dimensions
ASME B18.2.2
| Thread Dia. | Across Flats | Thickness |
|---|---|---|
| 1/4 | 1/2 | 15/64 |
| 5/16 | 9/16 | 19/64 |
| 3/8 | 11/16 | 23/64 |
| 7/16 | 3/4 | 27/64 |
| 1/2 | 7/8 | 31/64 |
| 9/16 | 15/16 | 35/64 |
| 5/8 | 1 1/16 | 39/64 |
| 3/4 | 1 1/4 | 47/64 |
| 7/8 | 1 7/16 | 55/64 |
| 1 | 1 5/8 | 63/64 |
| 1 1/8 | 1 13/16 | 1 7/64 |
| 1 1/4 | 2 | 1 7/32 |
| 1 3/8 | 2 3/16 | 1 11/32 |
| 1 1/2 | 2 3/8 | 1 15/32 |
| 1 5/8 | 2 9/16 | 1 19/32 |
| 1 3/4 | 2 3/4 | 1 23/32 |
| 2 | 3 1/8 | 1 31/32 |
| 2 1/4 | 3 1/2 | 2 13/64 |
| 2 1/2 | 3 7/8 | 2 29/64 |
| 2 3/4 | 4 1/4 | 2 45/64 |
| 3 | 4 5/8 | 2 61/64 |
| 3 1/4 | 5 | 3 3/16 |
| 3 1/2 | 5 3/8 | 3 7/16 |
| 3 3/4 | 5 3/4 | 3 11/16 |
| 4 | 6 1/8 | 3 15/16 |