Kwikset 660 Deadbolt Lock Satin Nickel — Single-Cylinder Front Entry with SmartKey & Microban

Kwikset 660 is a single-cylinder, satin nickel exterior deadbolt that secures entry doors with a keyed exterior and thumb-turn interior, featuring SmartKey rekeying and Microban protection.

This popular Kwikset 660 deadbolt combines straightforward mechanical security with customer-friendly features for everyday use. Designed to fit standard residential doors, the lock balances traditional styling with modern conveniences like tool-free rekeying and an antimicrobial finish treatment. It’s built to be installed quickly and to provide long-lasting performance backed by Kwikset’s warranties.

How does the Kwikset 660 lock protect my front door?

The 660 is a keyed deadbolt intended for exterior-facing doors, offering a solid turn-piece on the inside and a keyed cylinder on the outside for controlled access. Its construction meets Grade 3 BHMA standards for security, durability, and finish, giving reliable everyday protection without complex electronics.

• Single-cylinder deadbolt for keyed exterior use and thumb-turn interior operation
• Grade 3 BHMA certified components for dependable mechanical strength
• Solid latch and deadbolt design suited for exterior entrances

What convenience features does this deadbolt include?

This model includes Kwikset SmartKey Security, which lets you re-key the lock yourself in seconds—no locksmith required—plus an adjustable latch and easy, screwdriver-only installation. Microban protection is applied to high-touch surfaces to help resist microbial growth on the finish.

• SmartKey rekeying enables quick key changes and keying-alike multiple locks
• Adjustable backset (2-3/8" or 2-3/4") fits standard door preparations
• Installs in minutes with included hardware and simple directions
• Microban-treated surfaces for ongoing antimicrobial protection

Will this fit my door and is installation difficult?

The 660 is engineered to fit standard residential doors 1-3/8" to 1-3/4" thick and accommodates common backset measurements by twisting the latch during installation. Most DIYers can complete the job quickly using only a screwdriver; all necessary hardware and step-by-step instructions are supplied.

• Fits 1-3/8" to 1-3/4" door thicknesses without extra parts
• Latch backset adjusts to 2-3/8" or 2-3/4" easily during install
• Complete mounting hardware and clear instructions included

What kind of warranty and long-term support does Kwikset provide?

Kwikset backs the mechanical operation and finish with a lifetime warranty, reflecting confidence in materials and workmanship. Should you need assistance, Kwikset’s customer service supports product questions, warranty claims, and technical help.

• Lifetime mechanical and finish warranty for product protection
• Trusted brand with decades of residential lock experience
• Accessible customer support for installation and warranty inquiries

Who is this for: The Kwikset 660 Satin Nickel deadbolt suits homeowners, landlords, and renovators who want a dependable, mechanically simple deadbolt for exterior doors. It’s ideal for anyone seeking an easy-to-install lock with practical features—like SmartKey rekeying, adjustable latch, and Microban—without moving to electronic smart locks. Choose this model if you value proven reliability, straightforward maintenance, and a classic finish that complements traditional home hardware.