KWIKSET RCL-RCS4 Deadbolt Keyed Alike Antique Single 660 US5 Cylinder

( Brand: Kwikset ), ( Manufacturer Part Number: RCL-RCS4 ), ( Type: Single Cylinder ), ( Color: Brass ), ( Items Included: Key, Hardware, Instructions ), ( Fixings Supplied: Yes ), ( Throw Length: 1 In ), ( Material: Brass, Steel ), ( Features: With Key ), ( Finish: Antique Brass )

Review KWIKSET 660 Deadbolt 2-pack Keyed Alike Antique Brass Us5 Single Cylinder Bundle

The **Kwikset RCL-RCS4 660 Antique US5 Single-Cylinder Deadbolt** is a timeless yet highly functional security upgrade that seamlessly blends classic aesthetic appeal with modern reliability. Engineered with Kwikset s signature precision, this deadbolt features a **single-cylinder mechanism** that ensures smooth, effortless operation while maintaining robust protection against forced entry. The **keyed-alike system** allows for easy coordination with other Kwikset locks, making it ideal for homes or properties where multiple entry points require uniform access control. Crafted with an **antique bronze finish**, this deadbolt exudes a refined, vintage-inspired look that complements both traditional and transitional architectural styles, adding a touch of elegance to any door frame. The **US5 grade** indicates its adherence to ANSI/BHMA security standards, providing enhanced resistance to picking, drilling, and other common tampering methods, ensuring peace of mind for homeowners. Its **low-profile design** integrates seamlessly into standard door preholes, while the **durable steel construction** guarantees long-lasting performance under daily use. Whether installed in a front entry door, a secondary exterior door, or a decorative interior application, this deadbolt delivers a perfect marriage of security, style, and convenience, making it a standout choice for those who value both form and function.

The **Kwikset RCL-RCS4 660 Deadbolt (Keyed Alike, Antique US5, Single Cylinder)** is a popular choice for homeowners seeking a balance between security, aesthetics, and functionality. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Security Features**

The RCL-RCS4 660 is part of Kwikset s **SmartKey** line, which offers **rekeyable technology** without needing a locksmith. This allows homeowners to change the keying scheme easily, which is useful if keys are lost or if you move into a new home. The deadbolt also includes a **steel core** and **anti-sawing technology**, providing resistance against common forced-entry methods.

2. **Keyed Alike Functionality**

The "keyed alike" feature means you can order multiple keys that will work across all locks in the set. This is ideal for **multi-unit homes, rental properties, or businesses** where multiple keys need to be distributed without the risk of mismatched keys. It simplifies key management and reduces the need for locksmith services.

3. **Durability and Longevity**

Kwikset is a well-established brand known for producing **high-quality locks** that last for years with minimal maintenance. The **antique US5 finish** is designed to resist wear and corrosion, making it suitable for both indoor and outdoor use (though outdoor exposure should still be limited to avoid moisture damage).

4. **Compatibility with Smart Home Systems**

While this specific model is a **mechanical deadbolt**, Kwikset offers compatible **smart lock upgrades** (like the **SmartKey SmartCode**) that can be retrofitted to this deadbolt. This future-proofing allows homeowners to eventually integrate **keyless entry, smartphone control, or voice activation** without replacing the entire lock.

5. **Aesthetic Appeal**

The **antique US5 finish** provides a classic, timeless look that complements various door styles, from traditional to transitional. It s less flashy than brushed nickel or oil-rubbed bronze but offers a **sophisticated, understated appearance** that many homeowners prefer.

6. **Easy Installation**

Kwikset deadbolts are designed for **DIY-friendly installation**, though some users may still prefer a professional locksmith for optimal security. The kit typically includes all necessary hardware, and the instructions are generally clear.

7. **Good Value for the Price**

Compared to high-end security brands like **Schlage or Medeco**, the RCL-RCS4 660 offers **strong security at a mid-range price point**. It s often more affordable than premium smart locks while still providing reliable performance.

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### **Cons**

1. **Not a Smart Lock**

This is a **mechanical deadbolt**, meaning it **does not support keyless entry, smartphone control, or automation**. If you prioritize **smart home integration**, you ll need to either purchase a separate smart lock or upgrade later, which adds to the cost.

2. **Limited Tamper Resistance**

While the deadbolt has a steel core, it is **not pick-resistant or bump-resistant** like some high-end security locks. Skilled burglars could potentially **pick or use a bump key** to bypass it, though this requires specialized tools. For enhanced security, consider pairing it with a **high-security strike plate** or a **smart lock**.

3. **Keyed Alike Can Be a Liability**

While convenient, **keyed alike systems can be risky** if keys are lost or stolen. If someone gets a copy of your key, they can access **all locks in the set**. This is less of an issue for single-family homes but a significant concern for **rental properties or businesses** where key turnover is frequent.

4. **Finish May Show Wear Over Time**

The **antique US5 finish** is durable but not entirely scratch-proof. Frequent use (e.g., in high-traffic areas) may eventually show **minor wear or discoloration**. For homes with pets or children, a **brushed nickel or satin finish** might be more forgiving.

5. **No Built-In Alarm or Monitoring**

Unlike **smart locks with integrated alarms**, this deadbolt does not alert you if someone attempts to force it open. If security monitoring is a priority, you d need to pair it with a **separate alarm system**.

6. **Not Weatherproof for Outdoor Use**

While Kwikset deadbolts are generally **indoor-rated**, prolonged exposure to **moisture, sun, or extreme temperatures** can cause rust or warping. If installing on an **exterior door**, ensure proper sealing and consider a **weather-resistant model** if available.

7. **Rekeying Process Can Be Fussy**

While the SmartKey system is convenient, **rekeying requires precision**. If not done correctly, the lock may not function properly, and in rare cases, it could **jam or fail**. Some users find the process **more complicated than expected**, especially for beginners.

---

### **Conclusion**

The **Kwikset RCL-RCS4 660 Deadbolt** is an **excellent choice for homeowners** who prioritize **security, durability, and aesthetic appeal** without the need for smart features. Its **keyed alike functionality** makes it ideal for **multi-door setups**, and its **antique finish** adds a touch of elegance to doors. However, it is **not a smart lock**, lacks advanced security features like bump resistance, and may require additional precautions for high-security needs.

For most **standard residential applications**, this deadbolt provides **strong security at a reasonable cost**. If you re open to **future upgrades**, it can be easily converted to a smart lock later. However, if **smart home integration, keyless entry, or maximum tamper resistance** are critical, you may want to consider a **dedicated smart lock** (e.g., Kwikset SmartCode, Schlage Encode, or Yale Assure Lock).

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### **Recommendation**

- You want a **reliable, mid-range security deadbolt** with **keyed alike convenience**.

- You prefer a **classic, low-maintenance finish** that complements your door style.

- You re open to **potential future smart lock upgrades**.

- You don t require **keyless entry or advanced security features** right now.

- You need **smart home integration** (e.g., keyless entry, smartphone control).

- You want **maximum security against picking or bumping** (consider a **Schlage Encode or Medeco lock**).

- You re installing it on an **exterior door with heavy weather exposure** (look for a **weatherproof model**).

- You frequently change keys (a **keyed different system** or **smart lock** may be better).

The **RCL-RCS4 660 is a solid, well-rounded deadbolt** that offers great value for most homeowners. It strikes a balance between **security, aesthetics, and ease of use**, making it a **highly recommended purchase** for those who don t need the latest smart technology. If you re satisfied with a traditional lock but want flexibility for the future, this is an excellent choice.

Details:

I like buying and selling but its gotta be worth it. It is hardly visible when looking at it, but please review all photos carefully to see what you re going get. Something to keep in mind when attempting a low ball. 2 sets of Kwikset 660 standard-duty deadbolts in an Antique Brass US 5 finish.

My prices are set about where I need them to make sense bother at all. 2 Deadlock Sets: Both are keyed alike one single key operates both lock cylinders. One of the lock mechanisms has a minor scratch on face plate. Just being up front.

part #: rclrcs4 prices

• $7.19-$119.99

specifications locsedoo:

• brand: Kwikset
• mpn: Rcl-rcs4
• type: Single Cylinder
• color: Brass
• items included: Key, Hardware, Instructions
• fixings supplied: Yes
• throw length: 1 In
• material: Brass, Steel
• features: With Key
• finish: Antique Brass

shipping locsedoo:

• cost: $6.72
• service: USPS Media Mail
• class: Economy
• carrier: USPS
• type: Calculated
• transit: 5-12 Days

seller locsedoo:

• rating: 100.0%
• city: North Port, Florida
• # reviews: 8

offer locsedoo:

• quantity: 1
• started: May 16, 2026
• availability: In Stock
• sold: 0
• best offers: True
• options: Ship-to-home

returns locsedoo:

• policy: No Returns

payments locsedoo:

• money order
• wallet: Apple-pay
• credit card: Discover
• other

general locsedoo:

• condition: Open box
• Building Hardware > doors Door Hardware > Door Locks Lock Mechanisms

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