I was able to get the bolt thread off by jamming two hex nuts together so that I could turn the thread more into the body panel and then it came out once I turned the hex nuts the other way.

Looks like I’ll need to postpone getting a welder again..

Crisis averted!

[img_assist|nid=27258|title=bolt|desc=|link=node|align=left|width=300|height=300]