Cart 0
Door Hardware


  • Two Model: 610M – for metal doors and 610W – for wood doors.
  • C-UL US listed
  • Fits to ANSI standard preparation
  • Face Plate: 610M – 1 x 6-3/4″ and 610W – 1 x8-1/2″
  • Thermal Lock automatically locks inactive door under high fire/heat conditions. Used in pair at top and bottom of inactive door. Fully automatic, when active door is opened, inactive door is free. This combination eliminates floor prep.

Our 610M flush bolt has two models for metal and wood doors.
To use one unit for top only, combine with an auxiliary fire latch which replaces the bottom bolt.