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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 simple adjustments can get them back on track and running smoothly. The bottom pivot is attached to the bracket the floor or base for an extremely secure, sturdy mounting. With a threaded adjustment, this kit is compatible with a broad selection of bi-fold doors. Anchor or pivot pins that are cracked or broken The anchor pins and pivot pins on bifold door