UNC | UNF |
1/4" - 20 | 1/4"-28 |
5/16" - 18 | 5/16" - 24 |
3/8" - 16 | 3/8" - 24 |
7/16" - 14 | 7/16" - 20 |
1/2" - 13 | 1/2" - 20 |
9/16" - 12 | 9/16" - 18 |
5/8" - 11 | 5/8" - 18 |
3/4" - 10 | 3/4" - 16 |
7/8" - 9 | 7/8" - 14 |
1" - 8 | 1" - 14 |
1.1/8" - 7 | 1.1/8" - 12 |
1.1/4" - 7 | 1.1/4" - 12 |
1.1/2" - 6 | 1.1/2" - 12 |
2" - 4.1/2 |