@david pierce wrote:
Brass is hardened by hammering the metal. Even at that it will probably not work very well. Bronze is a harder metal and is often used for tools where sparking can be a safety issue.
That explains why I can’t find them anywhere. Well… here’s another “Duhhh” moment for me.
Say, with regards to my question about plug gauges… would you give me some guidance one the best sizes for watch repair?