
( Brand: Kwikset ), ( Type: Deadbolt ), ( UPC: 883351676014 )
The **Kwikset 883351676014 Double Cylinder Deadbolt (Model 665, 15 RCAL, RCS, K3, V1)** is a premium, high-security locking solution designed to provide unparalleled protection for residential and light-commercial entry doors. Engineered with Kwikset s signature blend of durability and advanced technology, this deadbolt features a **15-pin RCAL (Reversible Cylinder Anti-Lock)** mechanism, ensuring resistance against common picking, drilling, and bypass techniques while offering seamless reversibility for left- or right-handed installation. The **RCS (Rim Cylinder Security)** enhancement adds an extra layer of defense by preventing cylinder removal from the outside, making it significantly more tamper-resistant than standard deadbolts. Built with a **K3-grade brass construction**, this deadbolt delivers exceptional longevity, resisting corrosion and wear even in harsh environmental conditions, while its **V1 (Vandal-Resistant)** finish ensures a sleek, scratch-resistant surface that maintains its polished appearance over time. The **665 series** further elevates security with its **anti-sawing design**, where the bolt shank is strategically reinforced to deter sawing attempts, and its **anti-drill protection**, where the strike plate is hardened to resist drilling. Compatible with Kwikset s **SmartKey** technology, this deadbolt allows for easy rekeying without the need for a locksmith, offering flexibility for homeowners who may change locks frequently. Whether installed in a primary residence, a vacation home, or a small business, the **883351676014** combines cutting-edge security features with Kwikset s reputation for reliability, making it an ideal choice for those seeking both peace of mind and long-term performance.
### **Pros and Cons of buying a Kwikset 883351676014 Double Cylinder Deadbolt (665 Series, RCAL, RCS, K3 V1)**
#### **Pros:**1. **Enhanced Security** The double-cylinder deadbolt requires a key to unlock from both the inside and outside, making it more secure than a single-cylinder lock. This is particularly useful for doors without a window or in high-risk areas.
2. **Durability and Build Quality** Kwikset is a well-known brand with a reputation for producing reliable locks. The 665 series is known for its sturdy construction, resistant to wear and tampering.
3. **Resistance to Drilling and Picking** The lock features a **RCAL (Resistance to Cutting and Locksmith Attack)** rating, meaning it is designed to resist common methods of forced entry like drilling or lock picking.
4. **Resistance to Shimming** The **RCS (Resistance to Shimming)** feature helps prevent shimming attacks, where an intruder tries to bypass the lock by inserting a thin tool between the door and frame.
5. **Keyway Compatibility** The **K3 V1** keyway is a newer, more secure standard that is less common than older keyways, reducing the risk of unauthorized key duplication.
6. **Easy Installation** Kwikset deadbolts are generally straightforward to install, though proper alignment and mounting are critical for security.
7. **Compatibility with Smart Home Systems** Some Kwikset deadbolts in this series can integrate with smart home platforms (though this specific model may not be fully smart-enabled, it may work with certain adapters or future-proofing options).
8. **Good Value for Security** Compared to high-end premium locks, this offers strong security features at a relatively affordable price.
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#### **Cons:**1. **Key Dependency** A double-cylinder deadbolt can be inconvenient in emergencies (e.g., fire) if you don t have a key. Some jurisdictions have laws requiring single-cylinder locks for interior doors to allow quick egress.
2. **Potential for Misalignment** If not installed perfectly, the deadbolt may stick, jam, or fail to latch properly, reducing security and usability.
3. **Key Loss Risk** Losing the key means you ll need to rekey the lock, which can be costly if you don t have spare keys.
4. **Limited Smart Features** This is a mechanical deadbolt, so it lacks features like remote locking, smartphone control, or automation unless paired with additional hardware.
5. **Maintenance Required** Like all locks, it may need occasional lubrication (e.g., for the cylinder) to prevent sticking.
6. **Not ADA-Compliant** Double-cylinder deadbolts are not compliant with ADA standards for accessible doors, which may be a concern for commercial or public spaces.
7. **Keyway Vulnerability (If Not K3 V1)** While this model uses the **K3 V1** keyway (a newer, more secure standard), older Kwikset locks sometimes had weaker keyways that could be picked or bumped. This model mitigates that risk.
8. **Installation Challenges** If the door frame or strike plate is not properly reinforced, the deadbolt may not provide optimal security.
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### **Conclusion:**The **Kwikset 883351676014 double-cylinder deadbolt (665 series, RCAL, RCS, K3 V1)** is a solid choice for homeowners seeking **high security without the complexity of a smart lock**. Its **double-cylinder design, resistance to drilling, shimming, and cutting, and the K3 V1 keyway** make it one of the more secure mechanical deadbolts available. However, the **key dependency** and **lack of smart features** may be drawbacks for some users.
If **emergency egress is a priority** (e.g., for a primary door), a **single-cylinder deadbolt with a strong strike plate** might be a better alternative. For **high-security needs without smart features**, this lock is an excellent balance of **durability, resistance, and affordability**.
### **Recommendation:** **Buy this deadbolt if:**- You prioritize **physical security** (e.g., for a door without a window or in a high-crime area).
- You want a **durable, long-lasting lock** with resistance to common attack methods.
- You are comfortable with **key-based operation** and don t need smart features.
- You plan to **reinforce the door frame and strike plate** for maximum security.
**Consider alternatives if:**- You need **quick egress in an emergency** (e.g., for a primary door), in which case a **single-cylinder deadbolt** may be required by law.
- You want **smart lock functionality**, such as remote access or automation.
- You are on a **tight budget** and can find a similarly rated lock at a lower price.
**Final Verdict:** This is a **strong, reliable security upgrade** for the right application, especially for secondary doors where key dependency is acceptable. For maximum protection, ensure proper installation and reinforcement of the door frame.