72" Folding Door Track, 4 Door

I have a top pivot bracket on a bi fold door that doesn't hold anymore. The problem that I have is everything that I've bought or found online is 5/8" wide. This house was built in '64, so the pieces that it needs are only 1/2" wide. Any idea where I can get something 1/2" wide? Bending the 5/8" pie ... (cont.)

I am trying to replace my bifold track with "Product Code: 23-456 72" Bifold Track" My track has two bifold doors handing from it, each door is about 30 lbs. The old track is 21.3 mm wide inside; the new track is 20.8 mm wide. The Johnson hardware in my old track is too wide to fit into the new tra ... (cont.)