Only 1 left in stock Quick view Remove from Compare Compare Items ATLAS 1/2 20 UNS 3A MODIFIED THREAD RING GAGE .5 NO GO ONLY P.D. = .4643 NS-3A .50 $59.99 View Options
Only 1 left in stock Quick view Remove from Compare Compare Items G.A. CO. 1/2 20 UNF 3A EXTRA THICK THREAD RING GAGE .5 GO ONLY P.D. = .4675 DEEPWELL $39.99 View Options
Only 2 left in stock Quick view Remove from Compare Compare Items ALAMEDA 1/2 20 UNF 3A LEFT HAND THREAD RING GAGE .5 NO GO ONLY P.D. = .4643 L.H. $134.99 View Options
