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How to Repair Bifold Door Bottom Pivots Misalignment is likely to be the cause of your bifold doors becoming sagging and scraping on the floor. A few simple adjustments can put them back on track and running smoothly. This pivot's bottom is attached to the bracket the floor or base for an incredibly secure and sturdy mounting. This kit is threaded to allow adjustment and can be used with many bi-fold door styles. Cracked or Broken Anchor or Pivot Pins Anchor pins and pivots could be damaged or incorrectly al