UNC Imperial Zinc Plated Steel Hex Full Nuts 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 1"
| A | B | C | D |
| 4-40 | 1/4" | 1/32" | 40 |
| 6-32 | 5/16" | 1/8" | 32 |
| 8-32 | 11/32" | 1/8" | 32 |
| 10-24 | 3/8" | 1/8" | 24 |
| 1/4" | 7/16" | 7/32" | 20 |
| 5/16" | 1/2" | 9/32" | 18 |
| 3/8" | 9/16" | 11/32" | 16 |
| 7/16" | 11/16" | 3/8" | 14 |
| 1/2" | 3/4" | 7/16" | 13 |