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Metric Thread Designations

Metric Thread Designations

Metric Thread Designations

(OP)
I get confused with the metric thread designations Rc and G.  Are these equivalent to British Standard Tapered and British Standard Parallel?

RE: Metric Thread Designations

Rc indicates a female tapered thread, Rp would mean a female parallel thread, and R is a male tapered. G indicates both parallel threads (the female is the same as Rp).
All are defined by ISO standards that I've always supposed to be equivalent to a British Standard, but never checked that.

prex

http://www.xcalcs.com
Online tools for structural design

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