Gages conform to GOST 10653. They are used for triangular thread of GOST 631 drill pipe with upset ends and their coupling testing.
Available gage types:
- Р — working thread plugs and rings;
- К-Р — master thread plugs and rings;
- Г — working plain plugs and rings;
- К-Г — master plain plugs;
Gage technical terms are up to the GOST 24672.
When ordering, please specify the gage like this: «Thread ring gage for drill pipes with internally upset end of the internal diameter of 73 mm testing. Ring PH73 ГОСТ 10653” or this: “Working plain plug gage for drill pipes with internally upset ends with the internal diameter of 73 mm testing. Plug ГВ73 ГОСТ 10653.».