HSS Hexagon Rethreading Die 492 Cle-Line 1/2-20UNF
-20, UNF, Solid, Outside Dia.1 1/16 in, Die Material High Speed Steel, Finish - Machining Bright (Uncoated), Thread Type UNF, Threads per Inch 20, Thread Direction Right Hand, Die Thickness 1/2 in, Die Shape Hex, Hex Size 0.9563 in Hex Threading Die, Thread Size 1/2 In..