Bifold Pin Cap, 3/16" ID

I need spring loaded hardware for bifold metal 1970s closet doors

here is my problem. i have 40 year old metal bi-fold doors in all the closets. they are bolted together so they swing open like a regular door, so i don't use the pins on the mating edge of the doors, only the outside edge. on one door only, i can use the slot on the bottom pin and raise the door ... (cont.)

Hi, I have seven metal, louvered bifold doors (circa 1970). I'm having doors powder-coated, and I would like to order new caps for (I'm unsure of proper nomenclature so I'm calling them) pivot-pins and slide-pins. I hope that you may provide assistance in identifying the correct replacement parts ... (cont.)

Hello, I need replacement parts for my early 1970s steel bifold closet doors. Included are pictures of the parts I need (brackets, pins, caps, ect.). I believe the cap I need is your 21-106 product. Thank you in advance.

HiThe 4 pics included are of an 8' metal bifold in a home I am helping out in. (Elderly folks....). I am not familiar with this type of hardware, and also, I don't see how to remove the old hardware. There are what appear to be brackets welded on to the door and the pins etc seem to be press fitt ... (cont.)