Single-Sided Thumbturn Deadbolt, Satin Nickel

Secure interior-only entry points with the Kwikset 663 one-sided deadbolt featuring Microban antimicrobial technology. This mechanical thumbturn lock installs in minutes and provides keyless security with a clean satin nickel finish.

Key Features:

• One-Sided Keyless Security: Interior thumbturn deadbolt with no exterior trim for rooms or doors needing privacy and security
• Antimicrobial Protection: Microban technology helps keep the surface 99.9% cleaner than unprotected hardware
• Quick DIY Install: Installs in minutes with just a screwdriver; round-corner latch and strike included
• Durable Build: Metal construction with ANSI/BHMA Grade 3 security rating
• Versatile Fit: For 1-3/8 in. to 1-3/4 in. thick doors; 2-3/8 in. backset and 1 in. throw

Please check the Product Data Sheet Here

Specifications Table:

Frequently Asked Questions (FAQ):

Q: Will this work on exterior doors?
A: It can be used on interior or exterior doors where outside access is not required; there is no exterior trim or keyway.

Q: What door thickness does it fit?
A: Fits standard doors 1-3/8 in. to 1-3/4 in. thick.

Q: Is hardware included for installation?
A: Yes, mounting hardware, round-corner latch, and round deadbolt strike are included.

Q: What is the backset?
A: Fixed 2-3/8 in. backset.

Q: Does it include keys?
A: No keys are included or required; it’s operated by an interior thumbturn only.

Streamlined Security with Soft Satin Sheen

This minimalist deadbolt adds a refined, modern punctuation to any door, its satin nickel finish catching light with a gentle luster. I love the sculptural thumbturn—subtle yet tactile—bringing form and function into graceful balance. Pair it with monochrome hardware and a painted door in muted hues for a quietly sophisticated moment. It’s an understated essential that elevates everyday living with effortless polish.

Choose the Kwikset 663 for clean, keyless security and easy installation in minutes.

Warranty

Installation