Schlage B600 Series Single Cylinder Grade 1 Classroom Deadbolt with Full Size Interchangeable Core

B600-Series Single Cylinder Grade 1 Classroom Deadbolt with Full Size Interchangeable Core The B663R double cylinder deadbolt includes a full size interchangeable core with a 6-pin solid brass Schlage C123 keyway. This heavy duty commercial classroom function uses a key to throw and retract the lock from the outside; on the inside you can retract the lock only. It fits doors 1-5/8" to 2" thick with an adjustable 2-3/8" or 2-3/4" backset. Included is a standard metal dust box reinforcer and three 3" wood screws, 2 for the plate and 1 is installed inside the dust box. This strengthens the connection between the door jamb and the frame of your building, thus preventing most kick-ins. The 10% larger diameter bolt has an integrated steel insert to prevent sawing and the housing is one piece with an anti-pry shield. The B600-SERIES are Schlage’s highest grade deadbolt locks; featuring solid brass or bronze 7/8" (22mm) rotating trim rings. Bolts are made of a strong steel alloy, containing a hardened steel roller...