Originally posted by DerekTheGreat
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The old mirror may be repairable. One of the 3 cables used to position it is disconnected at the glass end. I am not sure what that mechanism looks like inside but may decide to study it closer.
The screw that broke off was remarkably seized in there. The tool that stripped it originally was my Milwaukee M12 impact driver with a pretty fresh bit. The screw head just turned to dust immediately. The threads ended up looking reasonable, but I ran a tap into them anyway to try to prevent future stupidity and also used anti-seize on the screws. They're an M5 thread. Between that and the countersunk head, maybe not the easiest fastener to get your hands on.
A tap and die set is something you hopefully don't need often, but saves your day when you do need it. Extractors of various designs are similarly useful.
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