13-05-2023, 04:14 AM
I can't answer your question except to say that I binned them several decades ago and replaced them with penny washers and 3/8" BSF nylocs, which don't come undone.
I've just bought some nice 1/8" thick washers x 3/8" x x 1.5" so let me know if you need supplier details.
I've just bought some nice 1/8" thick washers x 3/8" x x 1.5" so let me know if you need supplier details.