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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 a misalignment. A few simple adjustments can get them back on track and running smoothly. This bottom pivot mounts to the floor or the base of a bracket for a solid, secure mounting. is threaded for adjustment and is compatible with a variety of bi-fold door designs. Anchor or pivot pins that have broken or cracked The pivot pins and anchor pins on a bifold door can break or become misal