Schlage B660 Grade 1 Cylinder x Thumbturn Deadbolt
Function:
Keyed Single Cylinder: Thumbturn x Cylinder- Deadbolt thrown or retracted by key outside or thumbturn inside.
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
- Removeable security shield protects 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
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
| 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 |
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