Rivet nuts for body mods

[MurrayRothbard]

I want to bolt aluminum sheet / plastic boards for wheel covers and skirts.

I just learned rivet nuts existed and it is a game changer. Are rivet nuts + bolts reliable or anyone here have experience? For example drill 4 holes in my metal wheel rim, rivet nut it, attach plastic or metal circle cover then bolt it on so I can remove when ever I wish.

Should I have any concern bolts would loosen when driving on the highway? That is my concern. It looks like many availed bolts are allen wrench style tops.

[Piotrsko]

"Riv-Nuts" are a brand, there are others that have been used in cars and aircraft for at least 50 years, particularly in Europe. There were some we used for space.

In my experiences you want to install them very tight in a precision drilled hole, otherwise down the road they will spin instead of loosen. As long as you have access to the back side not a big deal.

Even if the nut loosens the bolt typically doesn't