On the re-work option, I had figured using helicoils though the risk would be getting too thin after using the oversized H/C tap. The set that...
Wow!! Thanks for the fast responses. The one at BH appears to be designed for a flush mount and has a standard screw thread on the outer...
I have acquired an old mirror that has two brass inserts in either side to allow it to mount as a pivoting mirror on a dresser or wash stand....
Separate names with a comma.