| Unified Feingewinde | |||||||
| Art | Größe | Gewinde- bezeichnung | Aussen durch messer | Steigung Gangzahl Zoll | Steigung mm | Kernloch- bohrer Tabelle | Kernloch- bohrer Errechnet |
| UNF | Nr. 0 | UNF Nr. 0 - 80 | 1,524 | 80 | 0,318 | 1,25 | 1,27 |
| UNF | Nr. 1 | UNF Nr. 1 - 72 | 1,854 | 72 | 0,353 | 1,55 | 1,57 |
| UNF | Nr. 2 | UNF Nr. 2 - 65 | 2,184 | 65 | 0,391 | 1,9 | 1,87 |
| UNF | Nr. 3 | UNF Nr. 3 - 56 | 2,515 | 56 | 0,454 | 2,15 | 2,15 |
| UNF | Nr. 4 | UNF Nr. 4 - 48 | 2,845 | 48 | 0,529 | 2,4 | 2,42 |
| UNF | Nr. 5 | UNF Nr. 5 - 44 | 3,175 | 44 | 0,577 | 2,7 | 2,71 |
| UNF | Nr. 6 | UNF Nr. 6 - 40 | 3,505 | 40 | 0,635 | 2,95 | 3,00 |
| UNF | Nr. 8 | UNF Nr. 8 - 36 | 4,122 | 36 | 0,706 | 3,5 | 3,56 |
| UNF | Nr. 10 | UNF Nr. 10 - 32 | 4,826 | 32 | 0,794 | 4,1 | 4,19 |
| UNF | Nr. 12 | UNF Nr. 12 - 28 | 5,486 | 28 | 0,907 | 4,7 | 4,76 |
| UNF | 1/4" | UNF 1/4" - 28 | 6,35 | 28 | 0,907 | 5,5 | 5,62 |
| UNF | 5/16" | UNF 5/16" - 24 | 7,938 | 24 | 1,058 | 6,9 | 7,09 |
| UNF | 3/8" | UNF 3/8" - 24 | 9,525 | 24 | 1,058 | 8,5 | 8,68 |
| UNF | 7/16" | UNF 7/16" - 20 | 11,113 | 20 | 1,270 | 9,9 | 10,10 |
| UNF | 1/2" | UNF 1/2" - 20 | 12,7 | 20 | 1,270 | 11,5 | 11,68 |
| UNF | 9/16" | UNF 9/16" - 18 | 14,288 | 18 | 1,411 | 12,9 | 13,16 |
| UNF | 5/8" | UNF 5/8" - 18 | 15,875 | 18 | 1,411 | 14,5 | 14,75 |
| UNF | 3/4" | UNF 3/4" - 16 | 19,05 | 16 | 1,588 | 17,5 | 17,78 |
| UNF | 7/8" | UNF 7/8" - 14 | 22,225 | 14 | 1,814 | 20,4 | 20,77 |
| UNF | 1" | UNF 1" - 12 | 25,4 | 12 | 2,117 | 23,25 | 23,71 |
| UNF | 1 1/8" | UNF 1 1/8" - 12 | 28,575 | 12 | 2,117 | 26,5 | 26,88 |
| UNF | 1 1/4" | UNF 1 1/4" - 12 | 31,75 | 12 | 2,117 | 29,5 | 30,06 |
| UNF | 1 3/8" | UNF 1 3/8" - 12 | 34,925 | 12 | 2,117 | 32,75 | 33,23 |
| UNF | 1 1/2" | UNF 1 1/2" - 12 | 38,1 | 12 | 2,117 | 36 | 36,41 |