I do not have a name for it other then a double sided threaded retaining bolt that screws into the headlight switch and headlight dash bezel. the nut portion is in the middle and the threaded ends are two different sizes.
or in a more basic term
double threaded headlight retaining bolt.
Pretty Please................
There is a link to my original post regarding this part.
http://67-72chevytrucks.com/vboard/s...07#post2695307
.
Thanks