I don't think I'll be able to sleep until I figure out a way to help old nokke get his destroyed Philips screwhead out.

I'm thinking the glue idea isn't going to work.

So how about if you arc weld a screwdriver to the destroyed screw by placing a lead on the part of the screw that protrudes under the mount and put a lead on an old screwdriver and just weld the screwdriver to the screw? Wait until it cools and just screw out. Easy. Good luck, Tom