AB SGL Cyl Deadbolt

For residential single and multi-family entrance doors. deadbolt thrown or retracted by key outside, or by turn unit inside; bolt automatically deadlocks when fully thrown. 7/8" wrought brass trim ring reinforced with security inserts. concealed spin ringrotates to protect against wrenching the cylinder. solid steel door frame reinforcer with 3" screws protects against kick-in attack. solid, 1 piece design protects against hammer and crowbar prying attacks. 2-1/2" steel adapter ring, plated to match, provided for accommodating 2-1/8" crossbore. hands free installation. door prep: 1-1/2" or 2-1/8" crossbore; 7/8" edge bore; 1" x 2-1/4" latch face. door thickness: 1-3/8" to 1-3/4". 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" x 2-1/4". strikes: 1-1/8" x 2-3/4", no lip, with dust box and door frame reinforcer. bolt: 7/8" housing and 1" 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. triple option universal: fits all doors, 2-3/4" or 2-3/8" backset; square corner, round corner, or drive-in preps.