1/8"x27 NPT Tap

Irwin 1/8" x 27 National Pipe Taper Tap is made of carbon steel and is ideal for pipe fittings. It cuts internal threads in piped and has a normal size of the tap that is the same as the pipe being fitted. It is tapered at a rate of 3/4" per foot and uses a drill bit letter Q or 5/16".