Stripped wheel bolts, help please

[Deano467]

I made a major mistake. I got new alloys to replace the steel ones and got some new m12x 1.5 wheel nuts suitable for alloys. I have stupidly tightened up these nuts onto the bolts of one wheel which it turns out has a m12x1.25 thread. The result being I tightened them too much stripping the threads on the bolts which come out of the wheel. Now I cannot get old steel nuts back on. Can the threads be re-tapped or do I need to replace the part of wheel which has the 4 bolts protruding? So stupid and so annoyed with myself for making such a basic error.

[Deano467]

It is Nissan note 2015. Anybody know what length the studs are which fit through the wheel hub?