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$8.99 / EA
Cuts internal threads in pipes, tapered at a rate of 3/4 in/ft, nominal size of the tap is that of the pipe fitting being tapped, four flutes. Used in applications such as pipe fittings.
IRWIN 8144 Fractional Tap, 1/2 in- 13 NC Thread, Plug Tap Thread, 4-Flute,