Zinc = NP020----Z1
| Nominal Size | Width Across Flats | Nut Thickness | Weight per C |
| 1/8-27 | 9/16 | 1/8 | |
| 1/8-27 | 9/16 | 3/16 | |
| 3/8-32 | 1/2 | 3/32 | |
| 3/8-32 | 9/16 | 3/32 | |
| 15/32-32 | 9/16 | 3/32 |
Disclaimer: The dimensions listed are for reference only. Sizes not listed may be available off the shelf or can be manufactured to customer requirements.