Kwikset 660 Series Keyless Single Sided Deadbolt offers security and style for any residential entryway. Enjoy easy installation and convenient thumbturn operation with durable full throw steel bolt. Choose from multiple finish options and lock functions for style and lasting protection.
- Door Thickness: 1-3/8" - 1-3/4"
- Bolt: Steel bolt with full 1" throw.
- ANSI/BHMA: A156.5 Grade 3
- ADA: Interior turn piece for single cylinder deadbolt meets 4.13.9 ADA requirements.
- 677 Interior Thumbturn with Exterior Plate UL Deadbolt is not available in the US15A Antique Nickel or US26 Polished Chrome Finishes.