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BSPP - British Standard Pipe Parallel

  • BSPP: British Standard Pipe Parallel -also known as "G" or "Rp" threads

BSP threads (both BSPP and BSPT have the same thread angle, shape, and pitch for their respective diameters.

These threads have a 55° included angle and have rounded peaks and valleys (this is a Whitworth thread form).

For thread dimensions, see XXXX.