Old 05-24-15, 12:41 AM
  #12  
dddd
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I can't really see any kind of adhesive filler getting sufficient purchase on such a thin metal stock. I believe it probably wouldn't even survive the tapping operation.

You might try forcing a slightly-larger #8-32 SAE screw in the remains of the hole, and if you can get it started straight, then it may hold up.

Next size up would be #10 machine screw, 10-32t is so slightly smaller than an M5x.8 that it screws into anM5-tapped hole. But is there enough eat there for an M5x.8 hole to be tapped?
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