Pg threads are conduit threads defined in the German DIN standard, and the tooling is compatible only with special-purpose products.
▽ Thin steel conduit screws JIS C 8305
CTC Threads and Pg Threads
| Screw symbol |
CTC |
Pg |
| standard |
JIS B 0204 |
DIN 4030 |
| Thread angle |
80° |
80° |
| Example |
CTC16 |
Pg9 |
- Although both are conduit threads, their size designations, dimensions, pitches, and other specifications are completely different.
- Pg is a German-standard conduit thread.
- The processing tools for each type are compatible only with their respective special products.
- Internal thread tools and gauges cannot be shared between the two thread types.