Eisen, Japan
Eisen SPT Series Limit Screw Gauge
Made in Japan
Manufacturer: Eisen Co., Ltd.
Model: SPT Series
Taper Pipe Thread Plug Gauge (JIS/ISO) (Steel Thread Gauge)
About the Series
Example of notation
Usage example
Pipe Fitting Inspection
Series Details
Taper pipe thread gauge (JIS method)
| Thread Nominal | Number of threads (threads/inch) | Gauge Type | grade |
|---|---|---|---|
| PT1/8 | 28 | none | none |
| 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 |
*Tapered thread ring and plug gauge are sold as a set.
Taper pipe thread plug gauge (ISO method)
| Thread Nominal | Number of threads (threads/inch) | Gauge Type | grade |
|---|---|---|---|
| Rc1/16 | 28 | none | none |
| 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 |
