Combination Flush Bolts, Set or Top Bolt Only, Metal Doors - Rockwood

Product Overview

Combination flush bolt for fire rated metal doors labeled A, B, C, D and E up to 4'w x 8'h. The self latching top bolt automatically engages when the inactive door closes. When the active door is opened, the inactive door stays latched at the top until the top bolt is released by pressing the plunger button on the bolt face. The bottom bolt is fully automatic, opening active door retracts bottom bolt. Override feature prevents damage to door or bolt if bolt head is blocked from entering strike. Bolt head rod is adjustable up to 1-1/2". Thermal lock automatically locks the inactive door under high heat conditions due to fire.