Bifold Metal door bottom pin and plastic guide

A home owner from San Jose, CA says:
February 18, 2022
Doors are 49 years old and the pin pictured is for the bottom front (the part of the door that moves. It is held in place by a screw. I believe the problem is the broken plastic piece on the bottom.
Thumbnail of the uploaded file named Bi-Fold Door bottom 5-16 inch pin.jpg
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Tom from SWISCO responded:
February 22, 2022

We sell a ton of bifold door pins that are similar in design to what you show here. Before I recommend anything, can you tell me the diameter of the pin itself? Can you also tell me the diameter of the top part of the nylon cap?
A home owner from San Jose, CA says:
February 25, 2022
The diameter of the pin is 5/16 inches or .3125 inches. The diameter of the top part of the palstic cap is 1/2 inches. The lenth of the pin is 5.25 inches.
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Tom from SWISCO responded:
February 25, 2022

Thank you! 1/2" is very, very big. I think you may be measuring the wrong part of it. I only need the top tip, not the "brim," so to speak.

Right now my top contender is the 21-016. The shaft is 5/16" in diameter but the top tip, which goes into the track, is 13/32". Look this over for now and see what you think.

swisco.com
Bifold Door Top Pivot and Guide Pin, Peachtree
Bifold Door Top Pivot and Guide Pin, Peachtree
21-071
$5.10
Bi-fold Door Repairs
Bi-fold Door Repairs
GUIDE
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