I've got about 5 cars worth of hardware that is in the process of being cleaned, hand-picked, tumblered, cleaned, bead blasted, cleaned and zinc plated, both yellow and silver. At some point I'd like to measure each bolt length and thread pitch and label.

Only best quality, lowest surface rust hardware is being used, the rest is tossed. The process is long and expensive. Every bolt is hand wired and baked, the plater I use won't barrel plate because he says it chews up the threads.

Process is long, slow (only have a small rifle shell tumbler) and very expensive (I can detail if needed). I'll got enough for what I need for my own car, and local friends, but could keep going if there's a need and people are OK with $1 to $10 per basic bolt, specialty bolts like spring plate hardware additional.

One thing I really like about this hardware is the quality of the steel. It was just a hunch, but I was talking to the plater about the quality of this late 60s to early 80s German steel in these and the very positive enthusiast response: yes, it's significantly better than today's hardware, was enough to convince me to at least save all of this stuff even if I don't get it all plated now.

I have mostly basic bolts, nuts, washers and some specialty stuff. I could, potentially have other peoples parts plated, but they would have to arrive in perfect, clean condition.

After soaking for a week in gasoline, diesel and purple cleaner


Sorting


Batch I plated a while ago. You can see the wire mark on the threads


Tumbler


What got me to get this process going


1920s moveable type cabinet drawers make good sorters, though the plastic bins above are ultimately better