Fire Latch Bolt #FL001

Fire Latch Bolt

Model No. FL001

Fire Latch Bolt

Model No. FL001

  • This auxiliary fire latch bolt is a temperature- actuated bolt that automatically extends from the inactive door into the active door when the temperature exceeds the rating of the fusible link.
  • When the fire latch bolt releases to connect the opposite door leaf, it keeps the doors in alignment and closed during the fire.
  • The Fire Latch Bolt is also used with the Automatic or Self-latching Flush Bolt.
  • The combination of (FB710+FL001) and (FB810+FL001) are UL listed and used for the pairs of the fire rated doors.
  • The top bolt FB710/FB810 is installed on the top edge of inactive door only.
  • The bottom fire latch bolt is used to replace the automatic flush bolt.



  • Furnish with the LBR device
  • Material: 100% Stainless Steel

  • Faceplate size: 1-25/32″ x 1″ (45 x 25.6mm)
  • Bolt diameter: 27/32″ (21.6mm)
  • Length of Latch Bolt: 3-5/32″(80mm)