KWIKSET T6603SMTCPRCALR Single Cylinder Deadbolt Featuring Smartkey Security

( Brand: Kwikset ), ( Manufacturer Part Number: T6603SMTCPRCALR ), ( Electronic/mechanical: Mechanical ), ( Deadbolt Cross Bore Diameter: In ), ( Door Locks Knobs Product Type: Deadbolts ), ( Items Included: Hardware, Key ), ( Suitable For: Front Door, Residential ), ( Deadbolt Type: Single Cylinder Deadbolt ), ( Commercial/residential: Residential ), ( Keyway: Kw1 ), ( Throw Length: 1 In ), ( Features: Adjustable Backset, Antimicrobial, Easy Installation, Kwikset Sma ), ( Finish: Polished Brass ), ( Included: Installation Instructions, Mounting Hardware ), ( Material: Metal ), ( Door Lock Style: Classic ), ( Security/ansi Grade: Ansi Grade 3 ), ( Mounting: Universal ), ( Type: Deadbolt ), ( Interior/exterior: Exterior, Interior )

Review KWIKSET 660 Polished Brass Single Cylinder Deadbolt Featuring Smartkey Security

The **Kwikset T6603SMTCPRCALR 660 Single Cylinder Deadbolt with SmartKey Security** represents the pinnacle of modern home security, seamlessly blending cutting-edge technology with timeless reliability to fortify your property against unauthorized access. Engineered with Kwikset s signature precision, this deadbolt features a sleek, single-cylinder design that effortlessly complements both traditional and contemporary door styles, ensuring a polished aesthetic without compromising on functionality. At its core, the **SmartKey Security System** redefines convenience and security by eliminating the need for traditional keys an innovation that significantly reduces the risk of lost or stolen keys while providing homeowners with unparalleled control. The system operates via a **SmartKey-compatible key**, which can be programmed to open multiple locks, allowing you to share access with trusted individuals without the hassle of duplicating physical keys. This not only enhances security by minimizing the number of keys in circulation but also simplifies key management for families, renters, or property managers.

Beyond its smart capabilities, the **660 Series deadbolt** is built to withstand the test of time with a durable **zinc alloy construction**, ensuring resistance to corrosion, warping, and wear ideal for both indoor and outdoor use. The **single-cylinder mechanism** incorporates a **high-security pin-tumbler lock**, providing robust protection against picking, drilling, and other common intrusion methods. For added peace of mind, the deadbolt includes a **one-inch throw bolt**, which extends deeply into the door frame to create a formidable barrier against forced entry. The **smooth-operating latch** is designed to glide effortlessly with minimal effort, reducing friction and wear over thousands of uses, while the **self-aligning strike plate** ensures a consistent seal, preventing gaps that could compromise security.

Installation is made effortless with Kwikset s **user-friendly design**, featuring a **pre-aligned mounting bracket** that simplifies the process for both DIY enthusiasts and professional locksmiths. The deadbolt s **adjustable shims** allow for precise alignment with most standard door thicknesses, accommodating variations without the need for custom modifications. Additionally, the **hidden screw design** enhances the aesthetic appeal by keeping hardware discreet while maintaining structural integrity. For those who prioritize accessibility, the deadbolt s **standard keyhole dimensions** ensure compatibility with most existing key systems, though the SmartKey feature offers a futuristic upgrade for those ready to transition away from traditional keys entirely.

The **T6603SMTCPRCALR model** further stands out with its **calibrated keying**, a feature that allows for seamless integration with other Kwikset SmartKey locks in a multi-lock system. This means that a single SmartKey can operate multiple deadbolts across your property, creating a cohesive security network that is both convenient and highly secure. Whether you re securing a primary residence, a vacation home, or a commercial space, this deadbolt delivers a perfect balance of innovation, durability, and ease of use. With Kwikset s reputation for quality and the SmartKey system s ability to future-proof your security, the **660 Single Cylinder Deadbolt** is not just a lock it s a smart investment in the safety and convenience of your home.

### **Pros and Cons of the Kwikset T6603SMTCPRCALR 660 Single Cylinder Deadbolt (SmartKey Security)**

1. **SmartKey Security Technology** This deadbolt features SmartKey, a patented system that allows homeowners to rekey the lock without needing a locksmith. This is particularly useful if you lose keys or want to change the lock for security reasons. The system includes a SmartKey rekeying kit, making it easy to update the lock s configuration.

2. **High Security Rating** The Kwikset 660 is rated for **Grade 1 security**, which is the highest rating available for residential deadbolts. It includes a **one-inch throw bolt** and a **steel core** for enhanced resistance against forced entry.

3. **Durability and Build Quality** Made with **zinc alloy construction**, the deadbolt is resistant to rust and corrosion, making it suitable for both indoor and outdoor use. The single-cylinder design is also less prone to wear compared to some multi-point locks.

4. **Compatibility with Existing Hardware** The Kwikset 660 is designed to work with most standard door preps, including **3.5-inch bore sets**. It can be installed on both **wood and metal doors**, though proper installation is key to ensuring security.

5. **Easy Installation** Kwikset provides detailed installation instructions, and the lock is relatively straightforward to install for a DIYer with basic tools. However, precise alignment is critical for optimal performance.

6. **Aesthetic Options** The deadbolt comes in multiple **finish options** (e.g., brushed nickel, oil-rubbed bronze, satin nickel) to match your home s d cor. The **calm touch** feature reduces fingerprints and smudges, keeping the finish looking clean.

7. **Compatibility with Smart Home Systems** While not a "smart lock" in the traditional sense (like Wi-Fi-enabled locks), the Kwikset 660 can be integrated with **smart home automation systems** if paired with compatible smart locks or keypads (though this requires additional hardware).

8. **Good Value for Security** Compared to some high-end smart locks, the Kwikset 660 offers **strong physical security at a lower cost**, making it a budget-friendly yet secure option.

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1. **Not a Smart Lock** Unlike fully smart locks (e.g., August, Schlage Encode), the Kwikset 660 **does not connect to a smartphone app, support voice control, or allow remote locking/unlocking**. If you prioritize smart features, this may be a drawback.

2. **Requires Physical Keys** Since it relies on traditional keys (even with SmartKey), you must carry or have access to keys to lock/unlock the door. This can be inconvenient if you frequently forget keys or want keyless entry.

3. **Installation Challenges** While the installation is manageable for DIYers, **misalignment or improper drilling can compromise security**. If the door frame or strike plate isn t properly reinforced, the deadbolt may not extend fully, reducing its effectiveness.

4. **Limited SmartKey Rekeying Capabilities** SmartKey allows rekeying, but it **does not support changing the keyway type** (e.g., you can t switch from a standard key to a master key system without replacing the entire lock). This may limit flexibility for multi-unit properties or shared access.

5. **No Battery Backup** Unlike some smart locks, the Kwikset 660 **does not have a battery-powered backup system**. If power is lost (e.g., in a smart home hub failure), you ll still need physical keys to operate it.

6. **Potential for Key Duplication Issues** If you use a locksmith or key copier, they may not be familiar with SmartKey technology, leading to potential errors when duplicating keys. Some key makers require special tools or training for SmartKey locks.

7. **No Built-in Alarm or Monitoring** Unlike smart locks with intrusion detection, the Kwikset 660 **does not alert you if someone tamper with the lock**. For advanced security, you d need to pair it with a separate alarm system.

8. **Not Ideal for High-Security Environments** While Grade 1 rated, the Kwikset 660 **may not meet the standards for commercial or high-security residential applications** (e.g., luxury homes, high-crime areas). For those needs, consider **Schlage or Medeco locks** with higher security features.

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### **Conclusion and Recommendation**

The **Kwikset T6603SMTCPRCALR 660 Single Cylinder Deadbolt with SmartKey** is an **excellent choice for homeowners who prioritize physical security, ease of rekeying, and durability** without the complexity or cost of a fully smart lock. Its **Grade 1 rating, SmartKey technology, and compatibility with standard door setups** make it a reliable upgrade for most residential doors.

However, if **smart home integration, keyless entry, or remote access** are critical, you may want to consider a **smart lock** (e.g., Schlage Encode, August Smart Lock, or Yale Assure Lock). On the other hand, if you **value traditional security with the flexibility of rekeying without a locksmith**, the Kwikset 660 is a **strong, cost-effective option**.

- You want a **high-security deadbolt** with **SmartKey rekeying**.

- You prefer **traditional key-based security** but still want durability.

- You re on a **budget** compared to smart locks.

- Your door setup is **standard** (3.5-inch bore, wood/metal).

- You want **smartphone control, keyless entry, or remote access**.

- You need **advanced security features** (e.g., anti-saw pins, medeco keyway).

- You re in a **high-crime area** and want the best possible physical security (consider Schlage or Medeco).

For most average homeowners seeking a **balance of security and convenience without smart features**, the Kwikset 660 is a **solid and recommended choice**.

Details:

So please buy carefully. Most items are New Old Stock NOS or Open Box. The box has been opened and rechecked for quality purposes. Please understand these are final sale.

Lower 48 US states only. Brand new and unused, but packaging may show wear or be missing. Double-check part numbers and to ensure compatibility. The pictures provided is real time of the item, if theres more than one all them should be around same condition.

part #: t6603smtcprcalr prices

• $14.99-$20.00

specifications locsedoo:

• brand: Kwikset
• mpn: T6603smtcprcalr
• electronic/mechanical: Mechanical
• deadbolt cross bore diameter: In
• door locks knobs product type: Deadbolts
• items included: Hardware, Key
• suitable for: Front Door, Residential
• deadbolt type: Single Cylinder Deadbolt
• commercial/residential: Residential
• keyway: Kw1
• throw length: 1 In
• features: Adjustable Backset, Antimicrobial, Easy Installation, Kwikset Sma
• finish: Polished Brass
• included: Installation Instructions, Mounting Hardware
• material: Metal
• door lock style: Classic
• security/ansi grade: Ansi Grade 3
• mounting: Universal
• type: Deadbolt
• interior/exterior: Exterior, Interior

payments locsedoo:

• wallet: Paypal
• credit card: Discover
• other

general locsedoo:

• Building Hardware > doors Door Hardware > Door Locks Lock Mechanisms
• condition: New

returns locsedoo:

• method: Money back
• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

seller locsedoo:

• # reviews: 1603
• city: Danville, Illinois
• rating: 99.3%

shipping locsedoo:

• cost: $6.00
• service: USPS Ground Advantage
• carrier: USPS
• type: Fixed
• class: Standard
• transit: 2-5 Days

offer locsedoo:

• started: April 30, 2026
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home

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