Drill America 12 Piece Carbon Steel NPT Pipe Tap and Die Set, 1/8", 1/4", 3/8", 1/2", 3/4" and 1" in Wooden Case

12 Piece Carbon Steel NPT Pipe Tap and Die Set, 1/8, 1/4, 3/8, 1/2, 3/4 and 1 in Wooden Case. Drill America Carbon steel pipe taps are designed to clean and or re thread damaged or jam pipe threads Also called'pipe taps', National pipe taper taps are appropriate for Threading a wide variety of materials both ferrous and non ferrous. The nominal size of a pipe Tap is that of the pipe fitting to be tapped, not the actual size of the Tap. The thread tapers 3/4 of an inch per foot. All pipe taps furnished with a 2 1/2 to 3 1/2 thread chamfer. Not threads require the use of a “sealer” like Teflon tape or pipe compound. Carbon Steel Hex Dies are for dressing over bruised or rusty threads. These dies are the most cost effective re threading tool available. They are ideal for maintenance in the shop or field.