Drill America 6 Piece Carbon Steel NPT Pipe Tap Set 1/4 inch, 3/8 inch, 1/2 inch, 3/4 inch, 1 inch and 1-1/4 inch in Wooden Case

Carbon steel pipe taps are designed to clean and or re-thread damaged or jammes pipe threads. They 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. NPT threads require the use of a sealer like teflon tape or pipe compound.