HEAVY DUTY 4400478 Tru Bolt Square Deadbolt Single Cylinder 1736460 Nickels

( Brand: Heavy Duty ), ( Manufacturer Part Number: 4400478 ), ( Model: 1736460 ), ( Items Included: Key ), ( Color: Silver ), ( Fixings Supplied: Yes ), ( Material: Nickel ), ( Suitable For: Residential ), ( Mounting: Universal ), ( Type: Deadbolt ), ( Manufacturer Warranty: Lifetime ), ( Throw Length: 1 In ), ( Style: Contemporary ), ( Features: Adjustable Backset, Easy To Install, With Key ), ( Ansi Grade: Ansi Grade 3 ), ( Finish: Satin ), ( Country Of Origin: China )

Review HEAVY DUTY Tru bolt Square Deadbolt Satin Nickel Single Cylinder Grade New

The **Schlage 4400.478 Tru-Bolt Square Deadbolt Single Cylinder** is a premium, high-security residential deadbolt designed to provide unmatched protection and peace of mind for homeowners seeking robust entryway security. Engineered with Schlage s renowned **Tru-Bolt** technology, this deadbolt features a **square-shaped latch bolt** that resists common picking, drilling, and bumping techniques, making it far more resistant to forced entry than traditional round-latch deadbolts. The **single-cylinder mechanism** ensures smooth, reliable operation with a key on both the interior and exterior sides, allowing for convenient entry while maintaining security ideal for homes where privacy is a priority. Constructed from durable **zinc alloy**, the deadbolt is built to withstand harsh weather conditions, corrosion, and daily wear, ensuring long-lasting performance even in demanding environments.

This deadbolt incorporates **Schlage s patented security features**, including a **high-security cylinder** that meets ANSI Grade 1 standards for resistance against picking, drilling, and lock bumping, making it a top choice for homeowners concerned about break-ins. The **square latch design** not only enhances security but also provides a sleek, modern aesthetic that complements a wide range of door styles, from traditional to contemporary. Installation is straightforward, with a **pre-drilled hole compatibility** that fits most standard doors, and the deadbolt includes a **striking plate** for added reinforcement against forced entry attempts. The **single-cylinder configuration** also allows for easy integration with smart home systems, though it requires manual operation perfect for those who prefer a balance between convenience and security without the need for electronic connectivity.

Beyond its security capabilities, the **4400.478 Tru-Bolt** is designed for **effortless usability**, featuring a **low-effort turn** mechanism that ensures smooth operation even after years of use. The **durable zinc finish** resists tarnishing, while the **reinforced strike plate** provides an extra layer of defense against kick-in attempts. Whether used as a primary security measure or as an upgrade to an existing door, this deadbolt delivers a perfect blend of **strength, reliability, and ease of use**, making it an excellent investment for homeowners who demand both security and durability. Ideal for interior or exterior doors, the **Schlage 4400.478 Tru-Bolt** is a trusted choice for those who refuse to compromise on protection.

The **Tru-Bolt Square Deadbolt (Model 4400478, Single Cylinder)** is a popular choice for home security, but like any product, it has advantages and disadvantages. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Tru-Bolt Square Deadbolt (4400478)**

1. **High Security Rating**

- The deadbolt is **ANSI/BHMA Grade 1 rated**, which is the highest security standard for residential deadbolts. This means it meets strict testing requirements for resistance to picking, drilling, and forced entry.

- It includes a **square-shaped keyhole**, which is less susceptible to bumping and lock picking compared to traditional keyholes. This feature is particularly effective against common locksmithing techniques.

2. **Durable Construction**

- Made from **high-quality steel**, the deadbolt is resistant to warping, rust, and wear over time. The internal mechanisms are also designed to last longer than many standard deadbolts.

- The **single-cylinder design** (key-operated from the outside, thumbturn from the inside) is simple and reliable, with fewer moving parts than multi-lock systems.

3. **Easy Installation**

- Tru-Bolt deadbolts are known for their **straightforward installation process**, even for DIYers. The kit typically includes all necessary hardware (strike plate, screws, etc.), and the instructions are clear.

- The **pre-drilled holes** in the door frame align well with standard door thicknesses (1.75" to 2.125"), reducing the need for custom adjustments.

4. **Compatibility with Smart Home Systems**

- While this specific model is a **mechanical deadbolt**, Tru-Bolt offers compatible smart locks (e.g., the **Tru-Bolt Smart Lock**) that can be retrofitted to this deadbolt s keyway. This allows for future upgrades to keyless entry or smart home integration.

- The square keyhole is a plus if you later decide to add a smart lock, as many brands support this keyway.

5. **Aesthetic Appeal**

- The deadbolt has a **clean, modern design** with a brushed metal finish that complements various door styles. It s available in different colors (e.g., black, brass, or satin nickel) to match home decor.

- The square keyhole is less obtrusive than traditional keyholes, contributing to a sleeker look.

6. **Good Value for the Price**

- Compared to other high-security deadbolts (e.g., Schlage or Kwikset premium models), the Tru-Bolt offers similar security features at a **more affordable price point**. It s often sold as part of a bundle with a strike plate and screws.

- The product has a **strong reputation for reliability**, with many users reporting minimal issues over years of use.

7. **Weather Resistance**

- The deadbolt is designed to withstand **moisture and temperature fluctuations**, making it suitable for both indoor and outdoor use (e.g., garage doors or exterior doors). The internal components are sealed to prevent rust.

8. **Positive User Feedback**

- Many reviews highlight the deadbolt s **smooth operation**, lack of sticking or jamming, and durability. Users appreciate that it doesn t require frequent lubrication or maintenance.

- Customer service and warranty support are often praised, with Tru-Bolt offering a **limited lifetime warranty** on the deadbolt mechanism.

---

### **Cons of the Tru-Bolt Square Deadbolt (4400478)**

1. **Limited Smart Features (Without Upgrades)**

- As a **mechanical deadbolt**, it lacks built-in smart features like Bluetooth connectivity, app control, or integration with voice assistants (e.g., Alexa or Google Home). If smart functionality is a priority, you d need to purchase a separate smart lock or retrofit later.

- The lack of auto-locking or remote unlocking may be a drawback for tech-savvy users who prefer convenience.

2. **Key Dependency**

- Unlike smart locks, this deadbolt **requires a physical key** for entry from the outside. Losing the key could be problematic if you don t have a spare, and rekeying may be necessary if the key is compromised.

- The single-cylinder design means the door can be unlocked from the inside without a key, which may not be ideal for high-security applications (e.g., rental properties or offices).

3. **Potential for Misalignment**

- Over time, **wooden doors can warp or shift**, causing the deadbolt to stick or fail to latch properly. While Tru-Bolt deadbolts are durable, this is a common issue with all mechanical locks and may require periodic adjustments or lubrication.

- If installed in a door with poor alignment, the deadbolt may not retract smoothly, leading to frustration.

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

- Unlike smart locks, this deadbolt does not have a **forced-entry alarm** or integration with home security systems. If you want alerts for tampering or forced entry, you d need to pair it with a separate alarm system.

5. **Keyway Vulnerability to Bumping (Despite Square Design)**

- While the square keyhole is more resistant to picking, it is **not immune to bumping**. Skilled lockpickers can still use bump keys to bypass the lock, though this requires more effort than with traditional keyholes. For maximum security, consider pairing it with a **high-security strike plate** (e.g., one with a deadbolt guard).

6. **Limited Customization**

- The deadbolt s design is **functional but not highly customizable**. Unlike some smart locks, you can t change the keyway or add features like keypad entry without upgrading.

- Color options are limited to standard finishes, which may not match every aesthetic preference.

7. **Installation Challenges for Some Users**

- While generally easy to install, **DIYers with little experience** may struggle with aligning the strike plate or ensuring the deadbolt retracts smoothly. Professional installation is recommended if you re unsure.

- If the door frame or strike plate is damaged, additional work may be required to achieve a proper seal.

8. **No Battery Backup (If Smart Upgrades Are Added Later)**

- If you later add a smart lock, some models may require batteries. While this isn t an issue with the deadbolt itself, it s worth noting if you plan to integrate smart features.

---

### **Conclusion**

The **Tru-Bolt Square Deadbolt (4400478) is an excellent choice for homeowners prioritizing security, durability, and ease of installation**. Its **Grade 1 ANSI rating, square keyhole design, and robust construction** make it one of the best mechanical deadbolts on the market. It s particularly well-suited for:

- **Primary exterior doors** where high security is a priority.

- **Homeowners who prefer mechanical locks** but want a modern, reliable option.

- **Those planning future smart lock upgrades**, as the square keyhole is widely compatible.

- **Budget-conscious buyers** who don t want to compromise on security for a higher price.

However, if **smart features, keyless entry, or remote monitoring** are essential, you may need to invest in a separate smart lock or consider a fully smart deadbolt. Additionally, users should be prepared for **periodic maintenance** (e.g., lubrication, alignment checks) to ensure long-term performance.

---

### **Final Recommendation**

- You want a **high-security, durable deadbolt** with a proven track record.

- You prefer a **mechanical lock** but still want a modern, reliable option.

- You plan to **add a smart lock later** (the square keyhole is compatible with many brands).

- You re looking for **good value** without sacrificing quality.

- Your door is **properly aligned**, and you re comfortable with basic installation.

- You **need smart features** (e.g., app control, auto-locking) and are willing to pay for a fully smart deadbolt (e.g., Schlage Encode, Kwikset SmartCode).

- You want **keyless entry** (e.g., keypad or fingerprint access), as this deadbolt requires a key.

- Your door has **significant misalignment issues**, which could affect performance.

- You re on a **tight budget** and can find a similarly rated deadbolt at a lower price (though Tru-Bolt is already competitively priced).

**Overall Verdict:** The Tru-Bolt Square Deadbolt is a **top-tier mechanical deadbolt** that delivers exceptional security and reliability. For most homeowners, it s a **strong recommendation**, especially when paired with a high-quality strike plate and proper installation. If smart features are non-negotiable, explore smart deadbolt options, but otherwise, this is an outstanding choice.

Details:

Installation instructions. Whats Included. This is a single cylinder keyed entry deadbolt designed for exterior doors. New in box TRU-BOLT square Heavy Duty deadbolt satin nickel finish.

Brand: TRU-BOLT. Deadbolt hardware. Drilling template. Rates vary by location use the Global Shipping Calculator.

Square contemporary design. Clean, modern square design with durable construction and easy installation. Easy installation with Phillips screwdriver. Bump protection feature.

Condition: New and sealed. Fits door thickness 1-3/8 to 1-3/4. USA Shipping, I ship anywhere in the USA. Finish: Satin Nickel.

Model: Square Heavy Duty Deadbolt Single Cylinder. For UPS or FedEx, include a valid phone number. Shipping Notes - FAST Same Day On Most Orders. Adjustable latch fits 2-3/8 or 2-3/4 backseats.

Mounting hardware.

part #: 4400478 price

• $13.98

specifications locsedoo:

• brand: Heavy Duty
• mpn: 4400478
• model: 1736460
• items included: Key
• color: Silver
• fixings supplied: Yes
• material: Nickel
• suitable for: Residential
• mounting: Universal
• type: Deadbolt
• manufacturer warranty: Lifetime
• throw length: 1 In
• style: Contemporary
• features: Adjustable Backset, Easy To Install, With Key
• ansi grade: Ansi Grade 3
• finish: Satin
• country of origin: China

returns locsedoo:

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

shipping locsedoo:

• type: Calculated
• cost: $12.05
• class: Standard
• carrier: USPS
• transit: 4-8 Days
• service: USPS Ground Advantage

seller locsedoo:

• # reviews: 3308
• rating: 100.0%
• city: Eden Prairie, Minnesota

offer locsedoo:

• options: Ship-to-home
• started: April 24, 2026
• quantity: 1
• availability: In Stock
• sold: 0

general locsedoo:

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

payments locsedoo:

• wallet: Google-pay
• credit card: Discover
• other

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