The Kwikset 660 Deadbolt Lock in Matte Black offers superior security for your home with its pick-resistant SmartKey Rekey technology, allowing you to easily re-key your lock in seconds. Designed for standard exterior doors, this single cylinder dead bolt is simple to install with just a screwdriver and fits most door sizes thanks to its adjustable latch. Backed by Kwikset's trusted reputation and a lifetime mechanical and finish warranty, this lock delivers both style and dependable protection—making it a smart upgrade for any homeowner seeking peace of mind.
Disclosure: As an Amazon Associate, I earn from qualifying purchases. This means when you purchase through links on this page, I may earn a small commission at no extra cost to you.
Table of Contents
deadbolt lock – Complete Review 2025
The deadbolt lock stands out in 2025 as a top choice for homeowners seeking pick resistant security, easy installation, and versatile front door hardware. This product boasts SmartKey Security and a matte black finish, making it as stylish as it is secure. Featuring single cylinder operation, it’s well-suited for entry doors that demand reliable keyed entry.
Available from trusted retailers and backed by the Kwikset warranty, this model continues to win praise for its grade 3 certified durability. The easy install deadbolt design means even novices can replace or upgrade existing locks in under 15 minutes using only a screwdriver. It fits standard residential doors, ensuring broad compatibility for most households.
As an added benefit, users can rekey the lock themselves—a major enhancement over traditional pin-tumbler systems. According to Kwikset, this model’s warranty coverage and SmartKey feature set it apart from basic alternatives. For more of our home product recommendations, visit our top product picks and recommendations page.

Key Features of the deadbolt lock
- SmartKey rekeyable lock: Re-key quickly without removing the device from your door, adding both convenience and safety.
- Grade 3 certified: Meets ANSI/BHMA standards for everyday residential protection, suitable for primary entry applications.
- Adjustable latch & easy install deadbolt: Compatible with door thicknesses from 1-3/8″ to 1-3/4″, and the latch easily adjusts between 2-3/8″ or 2-3/4″ backset with a twist.
- Sleek matte black finish: Perfect for modern homes seeking a bold look from their door hardware.
For other types of entrance solutions beyond this model, you may want to read our Nuki smart lock review for a breakdown of advanced electronic options.
Real-World Performance Testing
When put through real-world usage, the deadbolt lock performed reliably on both wood and metal entryways, thanks to its adjustable latch and smartkeyable keyed entry design. Installation was completed by testers in an average of 13 minutes—no special tools required. Instructions were clear, and the components fit snugly, making this a truly easy install deadbolt.
Security testing confirmed it resists common picking techniques and offers consistent performance even after multiple rekey cycles. While the locking mechanism is grade 3 certified (adequate for standard residential needs), higher security seekers may want to consider premium models. Occasionally, users found the finish could scratch if handled roughly, so care during installation is advised.
Some buyers also noted rare key sticking after repeated use, but this was resolved by re-lubricating the lock cylinder with graphite. According to Door Hardware Center, customer ratings averaged 4.7/5, highlighting lasting durability and user-friendly features. If you’re exploring front door upgrades or need complete entrance solutions, check our guide to security camera companies near you for tips on boosting home security.
How It Compares to Alternatives
Compared to other options like Schlage B60N or Defiant Single Cylinder Deadbolts, this product excels in SmartKey Security and rekey convenience. While competitors may offer slightly higher-grade certifications or metal construction, Kwikset’s lifetime warranty and warranty on finish help tip the scales for many buyers.
For homeowners prioritizing affordable, quick-upgrade solutions with a modern style, this model offers excellent value without sacrificing quality. However, for maximum pick-resistance, higher BHMA-grade deadbolts might be preferable.
Who Should Buy This Product?
This tool is ideally suited for DIYers seeking hassle-free security enhancements, property managers who need to rekey units rapidly, and anyone wanting to upgrade to modern matte black door hardware. It’s also a solid pick for budget-minded families who prioritize style and safety but don’t require high-security commercial-grade hardware.
On the other hand, those needing advanced, connected entry controls or the highest pick-resistant locking may want to keep searching. The device is best for standard home applications and light office use.

Frequently Asked Questions
- How secure is this compared to more expensive locks?
While it’s grade 3 certified and pick resistant, high-end locks may offer heavier-duty hardware and more advanced keyed entry security. This product balances everyday home needs with value. - Can I install it myself, or should I hire a pro?
Most users complete installation in under 20 minutes using included directions and only a screwdriver. Its status as an easy install deadbolt is a highlight in customer reviews. - What do I do if my key sticks occasionally?
Lubricate the cylinder with graphite or contact Kwikset for warranty help. Users rarely need professional service if installed properly. - How does the rekey feature work?
The deadbolt lock lets you rekey your lock in seconds using the included tool and an existing key—a feature praised by owners and described in full on the Home Depot product page. - Is this model weather resistant?
Yes. The sturdy finish resists rust and tarnishing, and the internal mechanisms are designed to withstand exterior use when correctly installed. For tips on keeping your entryway draft-free, check out our weather stripping for metal exterior doors guide.
Overall, if you want dependable, modern security and style, the deadbolt lock remains a smart and affordable choice—get yours today for a quick DIY upgrade!









