Primary
96600-856
660 Single Cylinder Square Deadbolt in Matte Black featuring SmartKey Security
660SQT 514 SMT 6AL STRKP
Vignette
Combined
Combined
Enhanced Gallery
Enhanced Gallery
Enhanced Gallery
Enhanced Gallery
Enhanced Gallery
Enhanced Gallery
Clipped
Clipped
Clipped
Dimensions
Brand Kwikset Series Security Series Sales Status ACTIVE MFG Pro # 96600-856 Desc 1 660SQT 514 SMT 6AL STRKP Desc 2 43443 LK UPC 199394002025 Family 600 Deadbolt Series Deadbolt Family 660 Deadbolt Function Single Cylinder Finish Matte Black Type Deadbolt ANSI Grade Grade 3 Hardware Type Residential Product Description The largest-selling deadbolt in America, the 600 series provide tough, effective protection at an affordable price. This single cylinder deadbolt is operated by a key on the outside, or a thumb turn on the inside. Secure your front door with Kwikset keyed entry door locks, security sets and deadbolts. Recommended for exterior-facing doors or securing interior rooms with a key for maximum privacy. Choose from a variety of stylish finishes to match your home décor. Kwikset is the #1 selling U.S. lock brand*, protecting families with trusted security since 1946. Kwikset offers smart, simple, stylish and secure door hardware for every home or business need — from mechanical locks with patented SmartKey Security to innovative and flexible smart home technology. *YipitData Unit Share Report, 2026. Features - For use on exterior doors where keyed entry and security is needed
- Featuring SmartKey Security™, which protects against advanced break-in techniques and allows you to re-key your lock yourself in seconds.
- SmartKey Security™ re-key technology is compatible with Kwikset (KW1) keyway or (SC1) keyway options
- Deadbolt operated by key outside and thumb turn inside
- Comes with 2 keys
- ANSI/BHMA grade 3 certified
- 1 inch deadbolt throw
- Locking mechanism functions with turn piece on the interior of the lock
- Easily installs in minutes with just a screwdriver
- Lifetime mechanical and finish warranty
Assembled Height 2-7/16 Assembled Length 1-1/16 Assembled Width 2-7/16 Projection 1-1/16 Style Traditional Throw Length 1 Deadbolt Throw Length 1 in. Cross Bore 2-1/8" Latch Type 6-Way Adjustable Latch Strike Code Default Entry Has SmartKey Yes Entry # Of Keys 2