Bifold Door Top Pivot and Guide Pin, Fenestra

For Fenestra Incorporated metal closet door. 4" L X 5/16" W Need 1 of each photo.

Hello, we recently took this metal closet door down to paint it and misplaced the parts. We now need all 4 pins - top and bottom. Any chance you can help me identify the parts that will work? The old pins were 4 inches long.

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

Looking for the correct top pivot for old metal closet door. Please see pic. All I know is it's a "Fenestra" part but not quite sure what to purchase? Can you help? Also, what would be the corresponding bottom piece? Thank you

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.)