Product Description
- Threaded ring gauge, tapered American NPT thread good+reject in one ring with level ASME B1.20.1
- made of hardened gauge steel, aged and precision ground
- you can obtain the certificates of a calibration laboratory on request
- further dimensions and tolerances, version with left-hand thread as well as hard chrome-plated or carbide-tipped version available on request
- Material - hardened gauge steel
- Thread standard - ASME B1.20.1