Drill America Tap & Die Set, Carbon Steel, #4 - 1/2" (w/ Round Dies)

Carbon steel taps and dies for re-threading/cleaning up threads. Plug taps are used for thru holes. Sizes #4 - 1/2"" Carbon Steel Taps and Dies in Plastic Case. (Sizes: #4-40, #6-32, #8-32, #10-24, #10-32, #12-24, 1/4"-20, 1/4"-28, 5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20, 1/2"-13, 1/2"-20)