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 in of an in/ft. All pipe taps furnished with a 2-1/2 to 3-1/2 in thread chamfer. NPT threads require the use of a "sealer" like PTFE tape or pipe compound.
Qualtech Pipe Tap, Series: DWT, Measurement System: Imperial, 3/8-18 Thread, NPT Thread Standard, Tapered Chamfer, 4 Flutes, Bottoming Cutting Direction, HSS, Bright
PROP65: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm
Manufacturer: Drill America
Other Part Numbers: DWT64007
DWT64007 Pipe Tap, 3/8-18 Thread ; Drill America ; Qualtech ; DWT64007 ; Pipe Taps