Hub centric

With a conical lug nut that mates into a conical seat, hub centric can be thrown out the window. Now, on the other hand, if you have mag wheels that attach with a shank style lug nut, then hub centric becomes critical. Since the wheel has a minute amount of space between the lug nut holes and the shanks of each lug nut, without a hub to center on, there can be endless possibilities of where to position that wheel. So you could say that each style, hub centric and lug centric are both dependent on which type of lug nut is used.
Thanks to all for setting my mind at ease. I went through thinking about this years ago and my conclusion was the same then. Cone shaped lug nuts and lug holes centers fine if the wheel was manufactured properly. RRR, some years ago I used a set of aluminum slots and I thought then about the slop in the fitment when the nuts were run in to the point of almost stopping all wheel movement and the slop remained. I'd love to have aluminum slots on my '63 wagon (4 1/2" now) and I would try for a set of rings. I'd be in some trouble because I would be reguarly wanting to switch back and forth. I think that all-in-all I prefer steelies and little hubcaps. Right now it's Ford Maverick 14X6 steelies with blank Mercury poverty hubcaps. It'd be really cool to get a set of BBP 14inch mopar steelies. Being marginally brave I think I would cut them apart and reverse the centers for a deeper look and use my poverty hubcaps that were originally on my Dart's 13inch wheels.

I'm happy to hear this straight information from you guys who have described the facts very well.

Jerry in Denver