Spiral flute NPT taps lift the chips out of the hole to eliminate chip packing in the flutes
Ideal for soft materials that produce long stringy chips
National pipe thread (NPT) are used to produce tapered pipe threads in a wide range of pipe connections. The thread produced will require the use of a thread sealant to ensure a tight seal
Pipe taps are the nominal size of the pipe fitting and not the actual size of the tap