The 660 Single Cylinder is Kwikset's top selling deadbolt, and for good reason! It's durable, reliable, and easy to install. It comes in a variety of finishes sure to match any of Kwikset's levers and knobs.
Features a fully adjustable latch to fit all standard door preparations
ANSI/BHMA Grade 3 Security
Lifetime mechanical and finish warranty
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.
Technical Specifications
ADA
Interior turn meets sec. 4.13.9 ADA requirements
ANSI Certification
A156.2
Backset
Adjustable 2⅜" or 2¾"
BHMA Certification
Grade 3
Bolt
1" throw
Cylinder
5 pin Standard or SmartKey
Cross Bore
2⅛"
Door Thickness
1⅜" to 1¾"
Edge Bore
1"
Functions Available
Single Cylinder, Double Cylinder
Latch Face
1" × 2¼"
Latch Type
Round Corner, Square Corner and Drive-In
Panic Proof
No
Product Class
Residential
Projection, exterior
1-1⁄16"
Projection, interior
27⁄32"
Rose Diameter, exterior
2-7⁄16"
Rose Diameter, interior
2½"
Thumbturn Length
1¾"
Kwikset SmartKey: How to Rekey Lock in 4 Easy to Follow Steps