giving me a hard time. I could not apply too much force for fear of breaking the whole bolt, and I knew I could not use a torch to heat it. Here are some suggestions I found for loosening the threads.

Does the sequence in which a jam nut and a standard nut are installed make a difference? Definitely. A jam nut is a thinner-than-average nut tightened against a standard-height nut to lock the two ...