Quote Originally Posted by davep View Post
Soon I will need to get some bolts plated; they are for the 914/4 alloy wheels, so a little special. What seems to be unique about them is that they were copper plated over steel, then what appears to be cadmium. Most of mine never got down to rusting the steel. It seems the copper protects the steel and the cadmium protects the copper.
Wow, two sacrafical coatings ! Thanks.

-Allen-