bottom hardware for wook bi fold door

A quick learner from Pennsylvania says:
Bi-fold door is about 30yrs old. I am unable to locate this exact part. Do you carry it or have a similar part. I am concerned because of the circle of indented metal on the screw. Entire length is 2 inches. Width of center circular bottom is 3/16 & larger circle is 10/16.
Thank you. Sue
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Paul from SWISCO responded:

We feel you should replace the threaded door pin with our 23-135 and corner floor bracket with our 23-301. Look these over and see what you think.

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