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  2. sku: 15962426221995853
  3. SHIELD SECURITY 227039

SHIELD SECURITY 227039 Single Cylinder Deadbolt Lock DD9X91

227039 Shield Security Single Cylinder Deadbolt Lock Matte Black X 6 Pieces

( Brand: Shield Security ), ( Manufacturer Part Number: 227039 ), ( Model: DD9X91 ), ( Type: Deadbolt ), ( Color: Black ), ( Finish: Matte ), ( Material: Matte Black )

Review SHIELD SECURITY Single Cylinder Deadbolt Lock Matte Black Pieces

The **Shield Security 227039 Single Cylinder Deadbolt Lock** is a robust and reliable security solution designed to enhance the protection of residential and light commercial doors while offering a seamless blend of functionality and ease of use. Engineered with precision, this deadbolt features a **durable brass construction**, ensuring long-lasting performance even in high-traffic environments. Its **single-cylinder mechanism** provides a secure yet convenient locking system, requiring a single key for both the interior and exterior sides, which simplifies access for homeowners or occupants while maintaining strong security. The lock s **smooth-operating latch** is built to withstand frequent use without binding or sticking, thanks to its high-quality internal components and precision machining. Ideal for standard doors with a pre-drilled hole, the **227039 model** installs quickly and securely using the included mounting hardware, including a strike plate and screws, ensuring a snug fit that resists forced entry attempts. Its **anti-pick and anti-drill design** incorporates advanced security features, such as a hardened steel bolt and a reinforced strike plate, making it resistant to common tampering techniques. The lock s **sleek, minimalist aesthetic** complements a variety of door styles, from traditional to modern, without detracting from the overall appearance of the entryway. Whether used as a standalone security measure or as part of a layered defense system, the Shield Security 227039 deadbolt lock delivers peace of mind by providing an extra layer of protection against unauthorized access. Built to meet industry safety standards, this lock is an excellent investment for those seeking a balance of security, durability, and practicality.

### **Pros and Cons of buying a Shield Security 227039 Single Cylinder Deadbolt Lock**

#### **Pros:** The Shield Security 227039 is a well-regarded deadbolt lock with several advantages:

1. **Durability and Security** Made from solid brass, this lock is resistant to wear, rust, and forced entry, providing strong protection against break-ins. The single-cylinder design ensures that the key is only needed from the outside, reducing the risk of lock picking from the inside.

2. **Weather Resistance** The lock is designed to withstand outdoor elements, making it suitable for exterior doors. It is resistant to moisture, corrosion, and temperature fluctuations, which is ideal for homes in varying climates.

3. **Easy Installation** The Shield Security 2000 series (which this lock belongs to) is known for straightforward installation. It comes with all necessary hardware, including a strike plate, and can be installed using basic tools. Many users report that it fits standard door pre-drilled holes without modification.

4. **Keyed Alike or Keyed Different Options** Shield Security offers flexibility in keying. You can choose to have all locks in your home keyed alike (using the same key) or key them differently for added security. This customization helps manage access control efficiently.

5. **Positive Striking** The lock features a positive strike mechanism, which means the bolt extends fully into the strike plate, providing a tight seal against wind and forced entry attempts.

6. **Good Reputation** Shield Security is a trusted brand in the security industry, known for producing reliable locks that meet industry standards. Many homeowners and security professionals recommend their products for both residential and light commercial use.

7. **Affordable Price** Compared to high-end security locks, the Shield Security 227039 offers excellent value for its price. It provides strong security without the premium cost of brands like Schlage or Kwikset s top-tier models.

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#### **Cons:** While the Shield Security 227039 is a solid choice, there are a few potential drawbacks to consider:

1. **Single-Cylinder Vulnerability** Unlike a deadbolt with a key on both sides (double-cylinder), this lock requires a key from the outside only. This can be inconvenient if you need to exit quickly during an emergency (e.g., a fire) and forget your key. Double-cylinder deadbolts are often recommended for exterior doors for this reason.

2. **Limited Smart Features** This is a traditional mechanical lock and does not offer smart home integration (e.g., Wi-Fi, Bluetooth, or compatibility with smart locks like August or Yale). If you re looking for keyless entry or remote access features, you ll need to pair it with a separate smart lock system.

3. **Key Management Challenges** Since the lock is keyed alike or differently, losing a key could mean rekeying the entire system, which can be costly if you have multiple locks. Additionally, sharing keys with contractors or family members requires careful management to avoid security risks.

4. **Strike Plate Installation** While the lock itself is easy to install, ensuring the strike plate is properly secured into the door frame is critical for security. If the strike plate is not anchored correctly (e.g., with long screws into the door frame s studs), the lock may be vulnerable to "prying" attacks where an intruder forces the door open.

5. **Aesthetic Limitations** The lock has a functional, utilitarian design and may not match the aesthetic of high-end door hardware. If you prioritize the look of your door handles and locks, you might need to pair this with a decorative cover or choose a different brand with more design options.

6. **No Anti-Pick or Anti-Drill Features** Unlike some high-security locks, the Shield Security 227039 does not include advanced anti-pick or anti-drill mechanisms. While it is durable, determined intruders with specialized tools could potentially bypass it if they have enough time and effort.

7. **Compatibility Issues** The lock assumes standard door dimensions and pre-drilled holes. If your door has non-standard spacing or thickness, you may need to modify the installation or choose a different model. Always measure your door before purchasing.

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### **Conclusion:**

The Shield Security 227039 single-cylinder deadbolt lock is an excellent choice for homeowners seeking a **durable, weather-resistant, and affordable** security solution. Its brass construction, ease of installation, and positive strike mechanism make it a reliable option for protecting exterior doors. The brand s reputation for quality and the lock s compatibility with keying systems further add to its appeal.

However, its **single-cylinder design** limits its use in emergency situations, and it lacks smart features or advanced security mechanisms found in higher-end locks. If you prioritize **keyed entry on both sides** or **smart home integration**, you may need to supplement this lock with additional hardware. Additionally, proper installation of the strike plate is crucial to maximize its security benefits.

For most homeowners looking for a **budget-friendly, no-frills deadbolt** that enhances security without complex features, the Shield Security 227039 is a **strong recommendation**. If you have specific needs like smart locks, high-security features, or aesthetic preferences, you may want to explore alternatives.

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### **Final Recommendation:** **Buy the Shield Security 227039 if:**

- You need a **durable, weatherproof deadbolt** for an exterior door.

- You prefer a **mechanical lock** without smart features.

- You want an **affordable, easy-to-install** solution that fits standard doors.

- You are comfortable with **single-cylinder keying** and managing key access.

**Consider alternatives if:**

- You require **keyed entry on both sides** (opt for a double-cylinder deadbolt).

- You want **smart home integration** (pair it with a smart lock or choose a smart deadbolt).

- You need **advanced security features** like anti-pick or anti-drill protection (look at brands like Medeco or Mul-T-Lock).

- Your door has **non-standard dimensions** (measure carefully or consult a locksmith).

Overall, the Shield Security 227039 is a **practical and reliable** deadbolt for most residential applications, offering a good balance of security and cost-effectiveness.

Details:

The model DD9X91 is known for its reliable performance and easy installation, making it a practical choice homeowners looking to enhance their Security measures. With a sleek matte black finish, this deadbolt lock from Shield Security adds touch of elegance to any door.

part #: 227039 price

  • $70.00

specifications locsedoo:

  • brand: Shield Security
  • mpn: 227039
  • model: Dd9x91
  • type: Deadbolt
  • color: Black
  • finish: Matte
  • material: Matte Black

offer locsedoo:

  • availability: In Stock
  • quantity: 2
  • options: Ship-to-home
  • sold: 0
  • started: May 25, 2026

returns locsedoo:

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

general locsedoo:

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

payments locsedoo:

  • credit card: Discover
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  • wallet: Paypal

shipping locsedoo:

  • carrier: UPS
  • transit: 4-10 Days
  • class: Economy
  • cost: $0.00
  • type: Calculated
  • service: UPS Ground Saver

seller locsedoo:

  • rating: 99.9%
  • # reviews: 901
  • city: Houston, Texas
type: deadbolt, finish: matte,
category: home & garden > building hardware > doors door hardware > door locks lock mechanisms, color: black, material: matte black, sku: 15962426221995853,
Shield Security 227039 Is Similar To:
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1 offer $70.00 USD
  • New. Offer #1 priced at $70.00 + $0.00 shipping estimate = $70.00* total. With a sleek matte black finish, this deadbolt lock from Shield Security adds a touch of elegance to any door.FREE SHIPPING

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