The Kwikset 600 series is the largest-selling deadbolt line in America. This single cylinder deadbolt is operated by a key from the outside and a thumbturn from the inside, for exterior doors where keyed entry and security are needed. This is the pin and tumbler version of the 660, not the SmartKey version.

• ANSI/BHMA Grade 3 certified
• Key outside, thumbturn inside; 1" deadbolt throw
• KW1 5-pin pin and tumbler cylinder; comes with 2 keys
• Latch has adjustable backset 2-3/8" to 2-3/4" to fit standard door preparations
• Deadbolt latch includes 2 interchangeable faceplates, round corner and square corner
• Includes round deadbolt strike
• Fits doors 1-3/8" to 1-3/4" thick
• Interior turn piece meets ADA requirements
• Installs in minutes with just a screwdriver
• Lifetime mechanical and finish warranty from Kwikset
• Kwikset catalog number 96600-876 (660-5-6AL-STRKP-K3), Antique Brass finish
• Builder/contractor box pack rather than retail display packaging; same lock, plain carton