DoALL 1/2-20 UNF-3A Ring Thread Gauges GO NOGO PD: .4675 & .4643
INV 1732DoALL 1/2-20 UNF-3A Ring Thread Gauges GO NOGO PD: .4675 & .4643.Size: 1/2-20 UNF-3AGO PD: .4675NOGO PD: .4643MFG: DoALLBin 12