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How to Repair Bifold Door Bottom Pivots If your bifold closet doors are sliding or scraping the floor it's likely due to misalignment. A few basic adjustments should put them back on track and running smoothly. This pivot's bottom mounts to the floor or base of a bracket for secure, sturdy mounting. This kit is threaded for adjustment and can be used with various bi-fold door designs. Anchor or pivot pins that have broken or cracked The pivot pins and the anchor pins on a bifold door can break or are mi