True that, which is why I separated the two sentences. The studs example was to indicate something easy and tangible that people can relate to as an easy SAU relevant example.
The most important part to the ARP answer is high quality material that has material data testing sheets containing stress diagrams, rolled threads and limited twisting during torqueing that gives a more consistent reading.
And as an engineer Peter knows all of this all too well lol
Nuts, bolts, studs and fasteners are actually pretty interesting, so much engineering involved.
My other source http://www.aircraftspruce.com.au/Hardware.asp