Used a sonic washer years ago in printing and it worked great. Not sure what one would cost today but it may be worth checking out......and of course a blasting cabinet earns its money.
You continue to do superb work👍

1937 Chevy Pickup
In the Gallery
1952 Chevy Panel
In the Gallery
More photos
1950 Chevy Coupe
Pictures!

I'd rather walk and carry a Chevy hub cap than ride in a Ferd.
I can explain it to you, but I can't understand it for you smile