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How to Repair Bifold Door Bottom Pivots A misalignment could be the cause of your bifold doors becoming sagging and scraping on the floor. Simple adjustments can get them back on track. This bottom pivot mounts to the floor or the base of a bracket to provide a solid, secure mounting. With a threaded adjustment, this kit works with a wide range of bi-fold doors. Anchor or pivot pins that have broken or cracked The pivot pins and anchor pins on a bifold door often fail or are misaligned, wh