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How to Repair Bifold Door Bottom Pivots Misalignment is likely to be the reason for your bifold doors sagging and scraping on the floor. Simple adjustments can bring them back to their proper alignment. This pivot's bottom mounts to the floor or base of a bracket to provide a solid, secure mounting. This kit is threaded to allow adjustment and is compatible with various bi-fold door styles. Broken or cracked Anchor or Pivot Pins Anchor pins and pivots can break or become incorrectly aligned on a b