Diagrama de roscas UNC/UNF
Rosca | Roscas por pulgada | Roscas por pulgada |
Designación de la rosca | UNC | UNF |
No 0 | 80 | |
No 1 | 64 | 72 |
No 2 | 56 | 64 |
No 3 | 48 | 56 |
No 4 | 40 | 48 |
No 5 | 40 | 44 |
No 6 | 32 | 40 |
No 8 | 32 | 36 |
No 10 | 24 | 32 |
No 12 | 24 | 28 |
1/4 | 20 | 28 |
5/16 | 18 | 24 |
3/8 | 16 | 24 |
7/16 | 14 | 20 |
1/2 | 13 | 20 |
9/16 | 12 | 18 |
5/8 | 11 | 18 |
3/4 | 10 | 16 |
7/8 | 9 | 14 |
1 | 8 | 12 (14 UNS) |
1.1/8 | 7 | 12 |
1.1/4 | 7 | 12 |
1.3/8 | 6 | 12 |
1.1/2 | 6 | 12 |
1.3/4 | 5 | |
2 | 4.1/2 | |
2.1/4 | 4.1/2 | |
2.1/2 | 4 |