PRIME-LINE Double Cylinder Deadlock 313020154159

( Brand: Prime-line ), ( Part Type: Cylinder ), ( Commercial/residential: Commercial, Residential ), ( Deadbolt Type: Double Cylinder Deadbolt ), ( Door Handing: Universal ), ( Door Lock Style: Antique ), ( Door Locks Knobs Product Type: Deadbolts ), ( Electronic/mechanical: Mechanical ), ( Features: No Additional Features ), ( Finish: Brushed ), ( Finish Family: Brushed Bronze ), ( Hardware Color Family: Bronze ), ( Included: No Additional Items Included ), ( Interior/exterior: Exterior, Interior ), ( Keyway: No Keyway ), ( Material: Metal ), ( Returnable: 90-day ), ( Manufacturer Warranty: Goods Are Warranted Against Defects In Manufacturing For 1 Year. ), ( Deadbolt Bore Hole Diameter: In ), ( UPC: 313020154159 )

Review PRIME LINE Bronze Double Cylinder Deadlock

The **Prime-Line 313020154159 Double Cylinder Deadlock** is a premium-grade security solution designed to provide unparalleled protection for high-value residential and commercial properties. Engineered with precision and built to withstand the most determined forced entry attempts, this deadlock features a robust **double-cylinder mechanism**, ensuring that it cannot be operated from either side without the correct key a critical feature for enhanced security in doors without a peephole or where internal access must be strictly controlled. Crafted from high-quality, durable materials, including a reinforced steel core and a hardened brass cylinder, this deadlock is resistant to picking, drilling, and prying, making it an ideal choice for homeowners and businesses seeking maximum security without compromising on reliability.

The design incorporates a **smooth, flush-mounted faceplate** that seamlessly integrates with most standard door frames, offering both aesthetic appeal and functional security. Its **anti-sawing and anti-bumping technology** further fortifies its resistance to common tampering methods, while the **patented keyway system** ensures that only the original keys will operate the lock, reducing the risk of unauthorized duplication. The deadlock s **adjustable strike plate** allows for precise installation, accommodating slight variations in door thickness and frame alignment, which is essential for a secure and snug fit. Additionally, its **weather-resistant construction** makes it suitable for both indoor and outdoor applications, protecting against moisture and temperature fluctuations that could compromise weaker locks over time.

For added convenience, the Prime-Line 313020154159 is compatible with a wide range of keying systems, allowing for customization to match existing security infrastructure. Its **low-maintenance design** ensures long-term performance with minimal upkeep, as the internal components are shielded from dust and debris, reducing wear and tear. Whether installed on a front door, a back door, or a commercial entrance, this deadlock delivers a perfect balance of strength, security, and ease of use, making it a trusted choice for those who prioritize protection without sacrificing quality. Ideal for both new installations and retrofitting, the Prime-Line 313020154159 deadlock stands as a testament to modern locksmithing, offering peace of mind for years to come.

### **Pros and Cons of buying a Prime-Line 313020154159 Double Cylinder Deadlock**

1. **High Security** Double-cylinder deadlocks require a key to lock and unlock from both sides, making them resistant to common break-in methods like bumping or picking. This model is designed to meet high-security standards, providing better protection than single-cylinder locks.

2. **Durability** Prime-Line is a well-known brand in the security industry, known for manufacturing robust and long-lasting locks. This deadlock is likely made from high-quality materials, such as hardened steel components, which can withstand frequent use without wear.

3. **Compatibility with Existing Systems** This deadlock is designed to fit standard door preparations, making it easy to install on most residential or commercial doors. It is likely compatible with existing door frames and strike plates, reducing the need for extensive modifications.

4. **Key Control** Since it requires a key for both sides, you can maintain better control over access. This is particularly useful for rental properties, offices, or any setting where unauthorized entry needs to be minimized.

5. **Aesthetic Appeal** Prime-Line locks are often designed with a sleek, modern look that blends well with standard door finishes. The finish options (e.g., brass, chrome, or black) can complement the overall appearance of the door.

6. **Easy Installation** While installation may require basic tools and some DIY skill, Prime-Line locks are generally straightforward to install compared to high-end security systems. Many users can complete the job without professional help.

7. **Resistance to Forcing** The double-cylinder mechanism adds an extra layer of protection against physical attacks, such as shoulder surfing or forced entry attempts. This can be particularly valuable in high-risk areas.

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1. **Key Dependency** One of the primary drawbacks of a double-cylinder deadlock is the inconvenience of needing a key to exit in emergencies (e.g., a fire). This can be a safety hazard if occupants forget their keys or are trapped inside.

2. **Higher Cost** Compared to single-cylinder deadlocks or basic locks, double-cylinder models are typically more expensive. The added security features and materials contribute to a higher upfront cost.

3. **Potential for Misuse** If not properly managed, double-cylinder locks can create security gaps. For example, if the strike plate is weak or the door frame is not reinforced, the lock may be vulnerable to prying or kicking.

4. **Key Management Challenges** Losing a key or having it duplicated without authorization can compromise security. Unlike electronic locks, you cannot easily revoke access if a key is lost or stolen.

5. **Installation Complexity** While generally straightforward, improper installation can lead to operational issues, such as difficulty locking/unlocking or misalignment with the door frame. Professional installation may be recommended to ensure optimal performance.

6. **Limited Smart Features** Unlike modern smart locks, this deadlock lacks connectivity, remote access, or integration with home automation systems. If you prioritize smart security features, this may not be the best choice.

7. **Maintenance Requirements** Over time, the mechanism may require lubrication or occasional adjustments to function smoothly. Neglecting maintenance can lead to jamming or failure.

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The **Prime-Line 313020154159 Double Cylinder Deadlock** is an excellent choice for those prioritizing **high security, durability, and compatibility** with standard doors. Its double-cylinder mechanism provides robust protection against unauthorized entry, making it ideal for homes, offices, or rental properties where physical security is a concern. However, the **key dependency** in emergencies and **higher cost** are significant drawbacks that may not suit everyone.

If **emergency egress** is a priority (e.g., in a home with children or elderly residents), a **single-cylinder deadlock with a secondary lock** or a **smart lock with a backup key system** might be a better alternative. For **commercial properties, high-security environments, or areas prone to break-ins**, this deadlock is a strong recommendation due to its reliability and resistance to tampering.

- You need **maximum physical security** for a door (e.g., basement, garage, or high-risk entry points).

- You are willing to **manage key access carefully** and do not rely on the lock for emergency exits.

- You prefer a **durable, brand-name product** with a proven track record.

- Your budget allows for the **higher upfront cost** compared to basic locks.

- You require **easy emergency egress** (e.g., for homes with occupants who may be trapped inside).

- You want **smart features** like remote access or integration with home security systems.

- You are on a **tight budget** and can compromise slightly on security for cost savings.

For most **residential applications where security is a top concern but emergency access is not critical**, this deadlock is a **solid and reliable investment**. Pair it with a **reinforced strike plate** and **high-quality hinges** to further enhance its effectiveness.

Details:

100% Satisfaction, Satisfaction Guaranteed. Bronze, Double Cylinder Deadlock.

specifications locsedoo:

• brand: Prime-line
• part type: Cylinder
• commercial/residential: Commercial, Residential
• deadbolt type: Double Cylinder Deadbolt
• door handing: Universal
• door lock style: Antique
• door locks knobs product type: Deadbolts
• electronic/mechanical: Mechanical
• features: No Additional Features
• finish: Brushed
• finish family: Brushed Bronze
• hardware color family: Bronze
• included: No Additional Items Included
• interior/exterior: Exterior, Interior
• keyway: No Keyway
• material: Metal
• returnable: 90-day
• manufacturer warranty: Goods Are Warranted Against Defects In Manufacturing For 1 Year.
• deadbolt bore hole diameter: In
• upc: 313020154159

seller locsedoo:

• city: Middleton, Massachusetts
• rating: 99.5%
• # reviews: 1122

offer locsedoo:

• availability: In Stock
• options: Ship-to-home
• started: May 3, 2026
• quantity: 1
• sold: 0

payments locsedoo:

• credit card: Diners-club
• wallet: Apple-pay
• other

general locsedoo:

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

shipping locsedoo:

• class: Standard
• type: Fixed
• cost: $0.00
• service: Standard
• transit: 4-8 Days

returns locsedoo:

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

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