FDTB 3/8"

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Fire Door Thru- Bolts

Product Features

  • Zinc Plated Steel Thru-Bolt Sleeve with Machine Screw
  • Fits 1-3/4” to 2” thick doors
  • Meets requirements of NFPA 80 for use on Fire Doors
  • Use to fill holes in wood or steel fire doors to protect label compliance