Originally Posted by
easyupbug
Touch the head of a screw/bolt with a soldering iron and blue loctite will release easily, commonly done on small screws in firearms. Even with proper torquing for safety I use blue on my daughters and granddaughters bikes stems and crank bolts.
A trick is to heat any fastener until you smell Loctite, and remove heat. It can only be a second or two.