Kwikset 660 Series Square Front Door Lock Set – Satin Nickel, SmartKey Rekey Deadbolt

Secure, stylish, and simple to install

The Kwikset 660 Series Square Front Door Lock Set blends a keyed exterior deadbolt with an interior thumb-turn knob for everyday security and convenient privacy. Encased in a satin nickel finish, this reliable hardware is designed to stand up to daily use while complementing a range of home styles. The set is positioned as a practical upgrade for front entries, interior doors requiring privacy, or rental properties where dependable, low-maintenance hardware matters.

Real-life usability and benefits

Whether you’re welcoming guests at the entryway or securing a back door after a day away, the 660 Series offers straightforward operation and consistent performance. The exterior key cylinder provides protection when you’re away, while the interior thumb-turn lets you lock or unlock quickly from inside. This balance of convenience and control is especially useful for households with multiple entries or frequent comings and goings.

Key features at a glance

• Keyed deadbolt for exterior use with interior locking thumb-turn
• SmartKey Security technology for fast, self-rekeying in seconds
• Adjustable latch and backset compatible with standard doors
• BHMA Grade 3 certified for security, durability, and finish
• Lifetime mechanical and finish warranty for long-term peace of mind

What’s included and installation basics

• Exterior keyed deadbolt
• Interior turn piece
• Adjustable latch with round front
• Round corner strike
• SmartKey rekeying tool
• Two Kwikset keys
• Screws and mounting hardware

Installation is DIY-friendly: fits standard doors 1-3/8" to 1-3/4" thick, with latch backset adjustable to 2-3/8" or 2-3/4". A screwdriver and the included directions are typically all that’s needed to upgrade a door in minutes. The result is a cohesive look that complements many entryways while delivering dependable performance for everyday use.