National Guard Products NGP Fire Door Thru-Bolts

Regular price $120.00

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National Guard Products NGP Fire Door Thru-Bolts

• 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
• Sold in boxes of twenty

Available Sizes:

  • FDTB 3/8" - thread size 1/4-20
  • FDTB 1/2" - thread size 5/16-18