Rockwood 2840 Automatic Flush Bolt Top Bolt Only For Metal Doors

The Rockwood 2840 automatic flush bolt is the top bolt only, is for metal doors, and comes non-handed. Rockwood 2840 requires a low closing force and has an override feature that prevents damage to doors or bolts if bolt heads are blocked from entering strikes. The Rockwood 2840 has a Thermal lock that automatically locks the inactive door under high heat conditions due to fire. See Manuf Spec's