Groove Width Profiles (GO/NO GO gage) - API 6A Seal Ring Groove Gage - BX and R-RX - Gagemaker Thread Measuring Instruments - Measuring Instruments
Groove Diameter Dog Bone/Paddle Gages (GO/NO GO gage) - API 6A Seal Ring Groove Gage - BX and R-RX - Gagemaker Thread Measuring Instruments - Measuring Instruments
Ring Groove Paddle Gauges — Rejent Tool and Manufacturing ltd.