Schlage B663 - Classroom Deadbolt Lock Schlage B Series deadbolts have long been the industry standard for tubular deadbolts. Built Schlage strong, B Series deadbolts are among the most secure and durable in the industry. The commercial Grade 1 deadbolts are also among the most beautiful, with a sleek, broadly angled trim ring in a shallow, 7/8" depth offered in 11 finishes. A wide variety of functions and choice of cylinders, including geographically exclusive Primus XP options make them suitable for nearly any deadlock application need. FEATURES & BENEFITS Strong and secure Solid sintered steel bolt with hardened steel anti-saw pin is thicker than most grade 1 deadbolt offerings Metal dustbox anchors deep to reinforce wood door frames with three 3" screws to protect against kick-in attacks Free spinning, broadly angled cylinder collar resists wrenching and prying Removable security shield protects the bolt from ice-pick attack through the door Hardened steel ball-bearings protect mounting bolts from drill attack (Torx screw packs also available) Fixed backset strengthens lock against tampering (adjustable option available) UL 437 listed option resists drilling and physical attack on the cylinder (B800 only) UL 10C 3-hour fire-rated as auxiliary locks Key System Security Open and restricted keyway options Primus XP program geographic exclusivity (B700 and B800) Factory master keying available Accepts all three cylinder formats: Conventional, FSIC, and SFIC Functional and aesthetic options 6 functions include keyless, single-cylinder, and double cylinder options 11 finish options Suites with nearly all Schlage and Von Duprin products CERTIFICATIONS ANSI/BHMA A156.5 Grade 1 certified with Conventional cylinder (FSIC is Grade 2; SFIC is Grade 3) UL 10C listed, 3-hour fire rated as auxiliary locks for A label single doors, 4' x 8' UL 10B listed for neutral pressure doors UL 437 listed (B800 Series only) ADA-compliant thumbturn design BAA (Buy American Act) compliant product FUNCTIONS Keyless B680 (E0191) Door bolt - thumbturn x no exterior trim Keyed single cylinder B660/B760/B860 (E0151) - thumbturn x cylinder B661/B761/B861 (E0161) - blank rose x cylinder B663/B763/B863 (E0171) Classroom deadbolt - thumbturn retracts only x cylinder B664/B764/B864 (E0101) Cylinder lock - no inside trim x cylinder Keyed double cylinder B662/B762/B862 (E0141) - cylinder x cylinder PRODUCT SPECIFICATIONS Deadbolt: 1" housing diameter; 0.875" x 0.62" x 1" throw; sintered steel with hardened steel anti-saw pin insert (drive-in options available) Faceplate: 1-1/8" x 2-1/4" with square corners Strike: 1-1/8" x 2-3/4" with square corners (ANSI, round corner and thimble strike options available) Backset: 2-3/4" fixed (adjustable and other fixed options available) Door range: 1-5/8"-2" Conventional and FSIC; 1-3/4"-2" SFIC; 1-3/8"-2-1/2" door bolt only Reinforcement: Metal dust box reinforcer with three 3" screws Trim ring: 7/8" solid brass or bronze Cylinder: 6-pin solid brass, keyed 6-pin, S123 keyway, keyed different (KD) Keys: Two nickel silver cut keys per lock