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How to Repair Bifold Door Bottom Pivots If your bifold closet doors are sliding or scraping the floor it's most likely due to misalignment. A few minor adjustments will put them back on track and running smoothly. This pivot's bottom mounts to the floor or the base of a bracket to provide a sturdy, secure mounting. Threaded for adjustment, this kit can be used with a wide variety of bi-fold doors. Anchor or pivot pins that have broken or cracked Anchor pins and pivots may break or become misaligned on bifold doors which causes the doors to sag and scratch