Plug Tap- 1/2"- 20- NF

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IRWIN 8145 Fractional Tap, 1/2 in- 20 NF Thread, Plug Tap Thread, 4-Flute, HCS PRODUCT OVERVIEW: Straight flutes are ground to provide rapid chip removal for efficient threading. Designed for hand threading work in a variety of materials. Taps produce a class 2B thread. Applications: Routine Maintenance, Repair Work & For Rethreading. HIGH CARBON STEEL - FRACTIONAL SIZE - 4 FLUTES Use 29/64" Drill

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