The differences between R and PT

【英】困ったときの知恵袋詳細

Round Dies Pipe Threads Standard (Screw Threads, Center Holes)

The differences between a "Rc" and a "PT" thread call out for internal tapered pipe threads and the tapered pipe taps "PT", "S - PT" and "Rc" for tubes was explained in the Bags of Wisdom "The differences between Rc and PT(Pipe threads)". Please tell me about the difference between the external tapered pipe thread "R" and "PT" and the solid die "D PT" for taper pipe threads.

There is practically no difference between an external tapered pipe thread "R" and a "PT" thread. You might think there was a dimensional change from the "PT" to the "R" but there was not. Please see the explanation below for the relationship between the external taper pipe threads "PT" and "R" and the tapered pipe thread dies.

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