Gagemaker - BX-1000, Groove Diameter Gauge per API 6A | Deterco
Groove Width Profiles (GO/NO GO gage) - API 6A Seal Ring Groove Gage - BX and R-RX - Gagemaker Thread Measuring Instruments - Measuring Instruments
API Ring Groove ring joint facings Rtj Caliper
Ideal Vacuum | ASA 6 Inch Blank Flange with O-Ring Groove, Not Bored, Not Rotatable, 11 in OD, 9.5 BCD, 0.81 in Hole Diameter, 8 Holes, 304 Stainless Steel