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motorworks
08-25-2009, 08:08 PM
HI
Just a theory question on thread form more so then the OD
as the bspp is bigger (1.041 vs. 1.000)

Given the same materail, which thread would be stronger:

A) BSPP 3/4"-14 with a 55' form
or
B) 1-14 uns with a 60' angle.

Looking at doing a repair and I have both taps and the 60'
and the 55' threading inserts.
just wondering

e2die :)