Gauge code |
Thread/perinch |
Pitch(mm) |
Taper |
1/16-27npt |
27 |
0.941 |
1:16 |
1/8-27npt |
27 |
0.941 |
1/4-18npt |
18 |
1.411 |
3/8-18npt |
18 |
1.411 |
1/2-14npt |
14 |
1.814 |
3/4-14npt |
14 |
1.814 |
1-11.5npt |
11.5 |
2.209 |
1 1/4-11.5npt |
11.5 |
2.209 |
1 1/2-11.5npt |
11.5 |
2.209 |
2-18npt |
11.5 |
2.209 |
2 1/2-8npt |
8.0 |
3.175 |
3-8npt |
8.0 |
3.175 |
…… |
…… |
…… |
npt |
8.0 |
3.175 |
|
Gauge Code |
Thread/perinch |
Pitch(mm) |
Taper |
1/16-27nptf |
27 |
0.941 |
1:16 |
1/8-27nptf |
27 |
0.941 |
1/4-18nptf |
18 |
1.411 |
3/8-18nptf |
18 |
1.411 |
1/2-14nptf |
14 |
1.814 |
3/4-14nptf |
14 |
1.814 |
1-11.5nptf |
11.5 |
2.209 |
1 1/4-11.5nptf |
11.5 |
2.209 |
1 1/2-11.5nptf |
11.5 |
2.209 |
2-18nptf |
11.5 |
2.209 |
2 1/2-8nptf |
8.0 |
3.175 |
3-8nptf |
8.0 |
3.175 |
…… |
…… |
…… |
6-8nptf |
8.0 |
3.175 |
|