Deadbolts b-series - double cylinder dual option universal - latchbolt heavy-duty residential/light-duty commercial visual pack - retail square corner strike - dual option universal latchbolt finish=satin chrome keying=k4 For residential single and multi-family entrance doors. Deadbolt thrown or retracted by key from either side; bolt automatically deadlocks when fully thrown. 7/8 inches wrought brass trim ring reinforced with security inserts. Concealed spin ring rotates to pr otect against wrenching the cylinder. Solid steel door frame reinforcer with 3 inches screws protects against kick-in attacks. Solid, 1 piece design to protect against hammer and crowbar prying attacks. 2- 1/2 inches steel adapter ring, plated to match, provided for accommodating 2- 1/8 inches crossbore. DOOR PREP: 1- 1/2 inches or 2- 1/8 inches Crossbore; 7/8 inches Edge Bore; 1 inch x 2- 1/4 inches Latch Face. DOOR THICKNESS: 1- 3/8 inches to 1- 3/4 inches. CYLINDER: Solid brass, 5-pin, tumbler C keyway with nickel silver,pick resistant, spool pins and 2 nickel silver, 5-pin, C section keys. FACEPLATE: 1 inch x 2- 1/4 inches. STRIKES: 1- 1/8 inches x 2- 3/4 inches, no lip, with dust box and door frame reinforcer. BOLT: 7/8 inches housing and 1 inch throw with concealed hardened steel roller to prevent cutting or sawing. ANSI/BHMA: Exceeds A 156.5, 1992 Grade 2 with Grade 1 security features. DUAL OPTION UNIVERSAL: Fits all doors, 2- 3/4 inches or 2- 3/8 inches backset; square corner, round corner, or drive-in preps. SECURE KEY feature allows you to re-key the lock without ever remov ing it from the door.
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