I'll say "general". Topic came up, and we couldn't find a standard. Our discussion was for a non-flanged stud, ie it would not bottom on the outer surface.
Our thinking now, is that it doesn't matter, since the stud should be threaded into the hole, to meet a dimensional reqt, for amount of exposed stud. Not bottoming in the hole, so nothing gets stressed, and thread locker (loctite) used to hold it.
I would be surprised if there was a general standard for the stud's hole unless the stud conformed to a general standard. You have not told what kind of stud it is.
If it is a proprietary stud like a PEM press-in stud, PEM's literature will tell you what to do.
If you are screwing a threaded rod into a tapped hole, you should primarily be concerned about why you are doing this. If the stud is not locked somehow into your hole, it will likely turn when you apply or remove your clamping nut.
This really is not a dimension and tolerance question. You would be better of asking about this in forum725.
In this particular instance, the stud is to hold a brake caliper to the upright, and how to call this out on the drawing is where the discussion of, "is there a standard" came up.
