William Donzelli wrote:
And for rusted bolts - time is the key.
and, more often than not, large amounts of heat...
Another trick that works very well for me is to try tightening the bolt
slightly. Put the tool on, turn it clockwise (assuming a right-hand
thread), then try turning it anticlockwise again. About 95% of the time,
the bolt comes right out.
-tony