SRH Series
Steel thread ring gauge for straight pipe threads
Example
Pipe joint measurement
Notation Example
Pipe Thread Ring Gauge (JIS method)
| Type of thread | No. of Threads (threads/inch) |
Type of gauge | Class |
|---|---|---|---|
| PF1/8 | 28 | GR/IR/WR | 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 |
Pipe Thread Ring Gauge (ISO method)
| Type of thread | No. of Threads (threads/inch) |
Type of gauge | Class |
|---|---|---|---|
| G1/16 | 28 | GR/NR | A B |
| 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 |