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Specifications for NPT Pipe threads, ISO metric threads and many other technical data

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Basic Dimensions for Industrial Threads;

Unified Screw Threads (UNC, UNF, UNEF)

ISO Metric Screw Threads (Close Fit)

ISO Metric Screw Threads (Medium Fit)

Hose Coupling Threads (NPSH, NH, NHR)

American National Standard Taper Pipe Threads (NPT, MNPT, FNPT)

British Standard Pipe Threads (BSP, BSPP, BSPT)

Others;
Recommended Fastening Torque for Metric Machine Screws