heater control parts, anybody make these

What I'm picturing is a nylon disc between the metal parts. Disc has nylon stems that snap of when stress of plenum door or cable movement exceeds what the nylon can handle.
What I do is first correct the root cause of the broken stem. Then I drill and tap the center of the nylon disc for a brass 10-32 screw. I have had to thread the entire length of a screw shank and cut the head off where I needed a locking nut on both ends.