Irwin 8203 Taper Pipe Taps (HCS) (1/4-18 NPT)
Irwin 8203 Hanson 1/4"-18 NPT HCS Pipe Plug Tap - Cuts internal threads in pipes. Nominal size of the tap is that of the pipe fitting being tapped. 1/4"-18 National Pipe Taper (NPT). Ideal for pipe fittings.
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