Ring Gauges
Vermont Gage Class X (tolerance rating) ring gauges inspect external dimensions of manufactured parts and can also be used as masters for bore gauges & internal micrometers. These ring gauges feature round metal steel construction with inside threads for a better hold. The adjustable ring gauges consist of a locking assembly, sleeve and adjustment screw for adjusting diameter & measuring changing diameters. Choose from a wide range of these Vermont Gage ring gauges, available in 6G, NPFT, UNC, UNEF, UNF and UNS thread types on Raptor Supplies.