| UNF kierre | ||||
| Kierre | Nousu kierrettä tuumalla | Nousu mm | Porakoko mm | Porakoko manglaavalle kierretapille mm |
| 1/4 | 28 | 0,907 | 5,5 | 5,9 |
| 5/16 | 24 | 1,058 | 6,9 | 7,5 |
| 3/8 | 24 | 1,058 | 8,5 | 9 |
| 7/16 | 20 | 1,270 | 9,9 | 10,5 |
| 1/2 | 20 | 1,270 | 11,5 | 12,1 |
| 9/16 | 18 | 1,411 | 12,9 | |
| 5/8 | 18 | 1,411 | 14,5 | 15,3 |
| 3/4 | 16 | 1,588 | 17,5 | |
| 7/8 | 14 | 1,814 | 20,25 | |
| 1 | 12 | 2,117 | 23,25 | |
| 1 1/8 | 12 | 2,117 | 26,5 | |
| 1 1/4 | 12 | 2,117 | 29,5 | |
| 1 3/8 | 12 | 2,117 | 32,5 | |
| 1 1/2 | 12 | 2,117 | 36 | |
