PG 21 Screw Ring Gauge Go or NoGo Electrical Conduit Thread
Specification Product: PG21 Screw Ring Thread Gauge Size: PG 21 Electrical Conduit Thread (Panzerrohr - Gewinde) Type: Go Ring Thread Gauge / No-Go Plain Ring Options: UKAS Calibration see options box Part Number ES-2252Visit the JLS Supplies Ltd website for more information on PG 21 Screw Ring Gauge Go or NoGo Electrical Conduit Thread