On 02/12/2020 10:36, newshound wrote:
The *actual* centering is done by the fact that the nuts / studs have a
conical interface)

Not always.

https://www.machinedesign.com/fastening-joining/article/21832042/whats-the-difference-between-lugcentric-and-hubcentric-wheels
AKA https://tinyurl.com/y5rauovp

Andy