Square Nut
A nut in the shape of a square rather than a hexagon. They are commonly used with square bolts. The sides have a larger surface which makes fastening easier in some circumstances. They can also be used in square channels to prevent from turning.
Dimensions
ASME B18.2.2
| Thread Dia. | Across Flats | Thickness |
|---|---|---|
| 1/4 | 7/16 | 7/32 |
| 5/16 | 9/16 | 17/64 |
| 3/8 | 5/8 | 21/64 |
| 7/16 | 3/4 | 3/8 |
| 1/2 | 13/16 | 7/16 |
| 5/8 | 1 | 35/64 |
| 3/4 | 1 1/8 | 21/32 |
| 7/8 | 1 5/16 | 49/64 |
| 1 | 1 1/2 | 7/8 |
| 1 1/8 | 1 11/16 | 1 |
| 1 1/4 | 1 7/8 | 1 3/32 |
| 1 1/2 | 2 1/4 | 1 5/16 |