G/R/RP-Withworth thread (BSPP/BSPT) - Teesing
BSPP (G) Female and male thread are both parallel. BSPT (R/Rp) Female thread is parallel and male thread is tapered. Female thread can also be tapered: Rc, but this is not common. Thread size (inch) Major diameter (mm) Minor diameter (mm) TPI.
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