I just had one of my Vitesse over riders chrome plated.
They did a lovely job, but when I got home, I noticed one of the captive nuts was missing from the cage.
As it has managed to stay there for over 50 years, I was a bit perplexed. I phone them and asked if they could look for it, and they found it.
When I collected it, a huge amount of metal seems to have been dissolved away in the stripping process, including the thread.
I will now have to make a new nut, and try and slip it into the cage, as the original will rotate when tightening.
I assume it was quite corroded and so the metal oxide has dissolved.
I wonder how such items could be protected?