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Drill America 3/8-in-18 Npt 4-Flute Carbon Steel Tap

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Used to clean and or re-thread damaged or jam pipe threads
Threads a wide variety of materials both ferrous and non-ferrous
National Pipe Taper (NPT) taps, are also called pipe taps

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Also called Pipe Taps, National Pipe Taper Taps are appropriate for threading a wide variety of materials both ferrous and non-ferrous. Carbon steel pipe taps are designed to clean and or re-thread damaged or jammers pipe threads. 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.

Used to clean and or re-thread damaged or jam pipe threads
Threads a wide variety of materials both ferrous and non-ferrous
National Pipe Taper (NPT) taps, are also called pipe taps
Nominal size of a pipe tap is that of the pipe fitting to be tapped, not the actual size of the tap
Thread tapers 3/4 of an inch per foot