I have the K5000 Korkers which a threaded studs. I have yet to wear them out and by properly taking care of them like removing the studs, wire brushing them and storing them in oil along with oiling the threads in the korkers should preserve the korkers to last longer.
I would more likely replace with the studs that the korker requires if and only if they last a long time by proper care which I have to wait and see.
The answer to your question is "No" I have not tried these on Korkers and therefore I don't know how they hold up.
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