7/8“ P8 P6 Sucker rod & polished rod thread ring gages per API Specification 11B/Working&Master

7/8“ P8 P6 Sucker rod & polished rod thread ring gages per API Specification 11B/Working&Master FYOU PMEC, Leading Solutions, Professional in API Working &Master Gages、Graphite Electrodes Working&Master Thread Gauges&ANSI/ASME Thread Gauges, manufacturers licensed by API Spec 5B, API Spec7-2&API Spec11B. All the Gages come with the Long Form Calibration Certificates traceable to NIM or NIST ,Availiable for Audit. Contact US: Email: sales@; Website: #oilandgasindustry #drilling #petroleum #oil #drillingrig #coil #oilandgasinterviewquestions #oilandgasjobs #oilandwater #drillingmachine #drillingsuiton#drillingmachinesound #drillingforoil #drillingrigcomponents #oilcompany#oilcompanymovie #oilcomb #drillingdeepintotheearth #drillingdefinition #drillingdeadbolthole #drillingdeepwell #drillingdeepwell #oilwelldrilling #oilwell #oilwelldrillingprocess #petroleumengineering #problemandsolutions#Drillingrigjobs#Drillingrigtyp