Machine Screw Nut
These nuts are smaller than standard hex nuts. They are intended for use on machine screw threads.
Dimensions
ASME B18.6.3
| Thread Dia. | Across Flats | Thickness |
|---|---|---|
| No. 0 | 5/32 | 0.043 - 0.050 |
| No. 1 | 5/32 | 0.043 - 0.050 |
| No. 2 | 3/16 | 0.057 - 0.066 |
| No. 3 | 3/16 | 0.057 - 0.066 |
| No. 4 | 1/4 | 0.087 - 0.098 |
| No. 5 | 5/16 | 0.102 - 0.114 |
| No. 6 | 5/16 | 0.102 - 0.114 |
| No. 8 | 11/32 | 0.117 - 0.130 |
| No. 10 | 3/8 | 0.117 - 0.130 |
| No. 12 | 7/16 | 0.148 - 0.161 |
| 1/4 | 7/16 | 0.178 - 0.193 |
| 5/16 | 1/2 | 0.208 - 0.225 |
| 3/8 | 9/16 | 0.239 - 0.257 |