Thread gauges in this selection are used to identify the nominal size for pipe threads and pipe fittings for plumbing applications. This gauge is specifically designed to National Standard Taper Pipe Threads, and contains NP...

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Thread gauges in this selection are used to identify the nominal size for pipe threads and pipe fittings for plumbing applications. This gauge is specifically designed to National Standard Taper Pipe Threads, and contains NPT sizes from 1/8 inch to 3/4 inch.

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