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How to Repair Bifold Door Bottom Pivots The misalignment of your doors could be the reason for your bifold doors sliding and scraping on the floor. A few minor adjustments can get them back on track. This bottom pivot mounts to the floor or base of a bracket to provide a sturdy, secure mounting. This kit is threaded to allow adjustment and can be used with many bi-fold door styles. Anchor or pivot pins that have broken or cracked The anchor pins and pivot pins on a bifold door can break or