Kwikset Security 660 Series Keyed Deadbolt provides safety and security in residential and commercial applications. Choose from double cylinder or single cylinder functions with Kwikset SmartKey for secure, simple re-keying. Multiple finishes available with full throw bolt for style and durability.
- Door Thickness: 1-3/8" - 1-3/4"
- Bolt: Steel bolt with full 1" throw.
- Cylinder: 5 pin cylinder
- ANSI/BHMA: A156.5 Grade 3
- ADA: Interior turn piece for single cylinder deadbolt meets 4.13.9 ADA requirements.