Kwikset 660 Deadbolt Lock – Polished Brass Exterior, Single Cylinder, Microban Protection

Meet the Kwikset 660 Deadbolt Lock, a trusted choice for exterior entry security with a polished brass finish that catches the light and endures daily use. This single-cylinder deadbolt combines a keyed exterior with a thumb-turn interior for straightforward operation, making front entry doors both practical and inviting.

Key features at a glance

• Keyed deadbolt: exterior key access and interior thumb-turn for quick locking, ideal for exterior-facing doors.
• SmartKey Security technology helps deter advanced break-in techniques and allows you to re-key yourself in seconds for added convenience.
• Easy installation: includes all hardware and clear directions, so you can install with just a screwdriver in minutes.
• Fits standard doors: supports doors from 1-3/8" to 1-3/4" thick; latch backset adjusts to 2-3/8" or 2-3/4" during installation.

Durability, finish, and warranty

• Finish options include a classic polished brass that complements traditional and contemporary décors alike.
• Certification: BHMA Grade 3 for reliable security and long-lasting finish.
• Warranty: lifetime mechanical and finish warranty for ongoing peace of mind.

In everyday use, you may notice the warm glow of brass catching sunlight at the entry, and the smooth action of the interior thumb-turn after a commute home. The Kwikset 660 is well suited for exterior-facing doors or interior spaces where privacy is key, with styling that fits a range of home aesthetics.

Kwikset has stood as a leading U.S. lock brand since 1946, delivering smart, simple, and secure door hardware for homes and small businesses. The model includes Microban protection to help keep the finish cleaner over time, without making health claims.