Extension Tap, Thread Size 3/4 In.-14, NPT, Overall Length 4 5/8 in, High Speed Steel, Bright (Uncoated), Right Hand, 14 The bright finish on these taps provides a smooth, polished surface. High-speed steel taps provide good wear resistance in general purpose tapping applications in a range of materials. Pipe taps come in thread standards and sizes that are used on parts in pipe systems. They create or repair internal threads in pipe and fittings so they can form a pressure-tight seal with parts that have matching external threads.
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