Voluntary Disparity Setting ring groove ball gauge half appease mucus
www.gagemaker.com RING GROOVE INSPECTION
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