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How to Repair Bifold Door Bottom Pivots If your bifold closet doors are sliding or scratching the floor, it's most likely due to misalignment. A few minor adjustments can bring them back in line. The bottom pivot is attached to the floor or the base of a bracket to provide a secure, sturdy mounting. With a threaded adjustment, this kit is compatible with a broad range of bi-fold doors. Anchor or pivot pins that have broken or cracked Anchor pins and pivots may be damaged or misaligned on bifold doors and