Qualtech pipe tap, straight, series: DWT, measurement system: imperial, 1-1/2-11-1/2 thread, NPS thread standard, 7 flutes, right hand cutting direction, HSS, bright.
Features
- 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 per foot
- 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
