Kwikset 660/665 Deadbolt Collection
Kwikset's largest-selling deadbolt in America, the 660 series deadbolt provides tough, effective protection at an affordable price.
- Features adjustable latch & deadbolt to fit all standard door preparations
- ANSI/BHMA Grade 3 Security
- Featuring SmartKey® Re-key Technology. The lock you can re-key yourself in seconds
- SmartKey® Re-key technology is compatible with Kwikset (KW1) keyway
- SmartKey cylinders feature a stainless steel side locking bar, racks and pins for increased strength and security
- Patented side locking bar technology offers improved security by protecting against lock bumping, an attack technique used to defeat conventional pin & tumbler locks.
- Single Cylinder Deadbolt - 660 SMT- Deadbolt unlocked/locked from either thumb turn inside or key outside. Cylinder on exterior and thumb turn on inside.
- Double Cylinder Deadbolt - 665 SMT - Deadbolt unlocked/locked with key on both the inside and outside. Cylinders are on interior and exterior. NOTE: please check your local fire code to ensure this is allowed before purchasing.
- Kwikset® 6-Way Deadbolt Latch Combination - For 2-3/8 Or 2-3/4" Backset - Drive In, Round Corner, Or Square Corner Latch Applications