PG Threads are based on DIN standard and are used for checking threads of pipe fittings used for electrical wiring.
Specification
Basic Dimensions: DIN 40430 – 1971 & Gauging Practice: DIN 40431 (2) – 1972. |
Manufacturing Range :
PG sizes 7,9,11,13.5,16,21,29, 36, 42, 48.