Originally Posted by
grumpus
It is an answer, quite a feasible one on the face of it, but it's something of a moot point because it seems that the bolt head doesn't require surgery after all.
Yes of course, if the leg doesn't need amputating don't amputate it, but if it does, time is money, and it takes longer to plug in the welder, than to take out that bolt, so yes, it IS the answer.