Eisen, Japan
Eisen SPH Series Limit Screw Gauge

Made in Japan
 Manufacturer: Eisen Co., Ltd.
 Model: SPH Series
Parallel pipe thread plug gauge (JIS/ISO) (steel thread gauge)
About the Series

Usage example

Pipe Fitting Inspection
Series Details
Example of notation

Parallel pipe thread plug gauge (JIS method)
| Thread Nominal | Number of threads (threads/inch) | Gauge Type | grade | 
|---|---|---|---|
| PF1/8 | 28 | GPIP (for inspection) GPWP (for machining) | A B | 
| PF1/4 | 19 | ||
| PF3/8 | 19 | ||
| PF1/2 | 14 | ||
| PF5/8 | 14 | ||
| PF3/4 | 14 | ||
| PF7/8 | 14 | ||
| PF1 | 11 | ||
| PF1 1/8 | 11 | ||
| PF1 1/4 | 11 | ||
| PF1 1/2 | 11 | ||
| PF1 3/4 | 11 | ||
| PF2 | 11 | 
Parallel pipe thread plug gauge (ISO method)
| Thread Nominal | Number of threads (threads/inch) | Gauge Type | grade | 
|---|---|---|---|
| G1/16 | 28 | GPNP | none | 
| G1/8 | 28 | ||
| G1/4 | 19 | ||
| G3/8 | 19 | ||
| G1/2 | 14 | ||
| G3/4 | 14 | ||
| G7/8 | 14 | ||
| G1 | 11 | ||
| G1 1/8 | 11 | ||
| G1 1/4 | 11 | ||
| G1 1/2 | 11 | ||
| G1 3/4 | 11 | ||
| G2 | 11 | 












