Kwikset 660 Series Mate Black Single Cylinder Deadbolt Featuring SmartKey Security

As the industry leader, Kwikset has provided trusted security for over 70-years and has become synonymous with security, peace of mind, style and innovation. The largest-selling deadbolt, the 600 series provides 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. The rich tones of Matte Black add the finishing touch to this product. The Matte Black finish provides a rich and warm complement to the product’s style.

• 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
• Latch has round corner faceplate
• Deadbolt latch has 3 interchangable faceplates – round corner, square corner, and drive-in collar
• ANSI/BHMA grade 3 certified
• Latch has adjustable backset 2-3/8 in. to 2-3/4 in. to fit all standard door preparations
• Includes round deadbolt strike
• 1 in. 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