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Description

WESTWARD Tap and Die Set: 12 Pieces, 1/4"-20 Min. Tap Thread Size, 1/2"-13 Max. Tap Thread Size Standards American Metal Cutting Institute Standards for Cut Thread Tolerance; ANSI-B94-1987 Standards Product Description The taps and dies in these sets are made from carbon steel. They are an economical choice for internal- and external-threading applications in maintenance operations.