Notation Example
Details of series
Taper Pipe Thread Plug Gauge (JIS method)
| Type of thread |
No. of Threads
(threads/inch) |
Type of gauge |
Class |
| PT1/8 |
28 |
N/A |
N/A |
| PT1/4 |
19 |
| PT3/8 |
19 |
| PT1/2 |
14 |
| PT5/8 |
14 |
| PT3/4 |
14 |
| PT7/8 |
14 |
| PT1 |
11 |
| PT1 1/4 |
11 |
| PT1 1/2 |
11 |
| PT2 |
11 |
※Taper thread ring gauge and taper thread plug gauge come as a set.
Taper Pipe Thread Plug Gauge (ISO method)
| Type of thread |
No. of Threads
(threads/inch) |
Type of gauge |
Class |
| Rc1/16 |
28 |
N/A |
N/A |
| Rc1/8 |
28 |
| Rc1/4 |
19 |
| Rc3/8 |
19 |
| Rc1/2 |
14 |
| Rc3/4 |
14 |
| Rc1 |
11 |
| Rc1 1/4 |
11 |
| Rc1 1/2 |
11 |
| Rc2 |
11
|