Re: Model A Door hinge removal
I think at this point you are going to have to just drill them completely out. Expand the drill bit size until you can get the head off, then continue to drill the shaft part still in the threads, trying to not get into the threads. After drilling the largest hole you can without getting into the threads, with a small punch you might be able to peal the remaining part of the screw out and save the threads.
Prior to stripping the heads, if you have access to "heat" you can heat the screws up and then soak them with penetrating oil, try it, and repeat.
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