Kwikset 663 Single-Sided Deadbolt in Antique Brass, Thumbturn One Side, Key Lock, Adjustable Latch, ANSI/BHMA Grade 3 Certified

Product Description The largest-selling deadbolt in America, the 600 series provide 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. Secure your front door with Kwikset keyed entry door locks, security sets and deadbolts. Recommended for exterior-facing doors or securing interior rooms with a key for maximum privacy. Choose from a variety of stylish finishes to match your home décor. Kwikset is the #1 selling U.S. lock brand*, protecting families with trusted security since 1946. Kwikset offers smart, simple, stylish and secure door hardware for every home or business need — from mechanical locks with patented SmartKey Security to innovative and flexible smart home technology. *YipitData Unit Share Report, 2026. From the Manufacturer Step up to designer styles and superior security with Kwikset Signature Series products. Exquisitely versatile, the Abbey is right at home in almost any style décor. Its rounded handle is proportioned to fit the palm of the hand, beautifully. The Polished Chrome is perfect for coordinating in a bathroom with polished chrome fixtures. Both knobs/levers can be locked or unlocked by key on the outside, or turn button on the inside. At Kwikset, we believe people shouldn't have to settle when it comes to home security; and the best security is smart security

• For use on exterior doors where keyed entry and security is needed
• Deadbolt operated by thumb turn one side. No trim on exterior.
• Features an adjustable latch to fit all standard door preparations
• ANSI/BHMA grade 3 certified
• Includes 2 3/8 in. latch backset