https://squareblogs.net/crooku....ncle0/how-to-explain
How to Repair Bifold Door Bottom Pivots A misalignment could be the reason for your bifold doors becoming sagging and scraping on the floor. A few minor adjustments can bring them back in line. This pivot's bottom mounts to the floor or the base of a bracket for secure, sturdy mounting. Threaded for adjustment, this kit can be used with a wide selection of bi-fold doors. Anchor or pivot pins that are cracked or broken Anchor pins and pivots may be damaged or misaligned on a bifolding door and c