ULTRA SECURITY 83974 Lock 3/8 3/4

( Brand: Ultra Security ), ( Manufacturer Part Number: 83974 ), ( Type: Door Lock ), ( Color: Silver ), ( Items Included: Hardware, Instructions, Key ), ( Style: Modern ), ( Material: Stainless Steel ), ( Features: With Key ), ( Finish: Nickel ), ( Suitable For: Front Door )

Review ULTRA SECURITY Entry Lock Model 3/8 3/4

Ultra Security FX387 3/8" x 3/4" High Security Deadbolt Lock

The Ultra Security FX387 is a high-performance deadbolt lock designed for enhanced security and durability. This lock, with its dimensions of 3/8" x 3/4", is a perfect fit for standard door openings, offering a reliable solution for both residential and light commercial applications.

Crafted with premium materials, the Ultra Security FX387 lock boasts a tough, forged alloy construction that resists drilling, picking, and bumping attempts. The lock incorporates the patented Ultra Lock's "U-Shaped" fork design, ensuring a secure and smooth operation while making it incredibly resistant to attack.

One of the standout features of the Ultra Security FX387 is its robust anti-extrusion protection. The lock's body prevents any potential intruders from tampering with the lock's internal mechanisms, providing an additional layer of safety. Moreover, the lock comes with a 1-inch reinforced steel strike plate, further fortifying the lock against forced entry.

The lock also offers flexibility in terms of key options. It includes two keys - one for regular use and another for emergency situations. Additionally, it is compatible with a variety of key systems, making it easy to replace lost keys or coordinate access for multiple users.

Installing the Ultra Security FX387 is a straightforward process, thanks to its user-friendly design. The lock comes with complete installation hardware, including mounting screws, a latch extension, and a detailed installation guide. For added convenience, the lock is also ANSI/BHMA Grade 2 certified, ensuring it meets rigorous performance and security standards.

In summary, the Ultra Security FX387 3/8" x 3/4" deadbolt lock is a robust and reliable solution for those seeking enhanced security for their homes or businesses. Its durable construction, advanced security features, and easy installation make it an excellent choice for anyone prioritizing safety and peace of mind.

Pros and Cons of Buying Ultra Security 83974 Lock (3/8 3/4)

1. High Security: This lock is designed to provide maximum security, making it a great choice for high-risk areas like commercial properties, safes, and storage units.

2. Durable Construction: The Ultra Security 83974 lock is made from hardened steel, ensuring long-lasting performance and resistance to tampering and forced entry.

3. Key Control: The lock's patented keyway design provides controlled key duplication, reducing the risk of unauthorized access.

4. Pick-Resistant: The lock mechanism is pick-resistant, adding an extra layer of security against common lock-picking methods.

5. Weather-Resistant: The lock is designed to withstand harsh weather conditions, making it suitable for outdoor use.

1. Complex Operation: The lock may be more difficult to operate due to its high security features, which could be a drawback for some users.

2. Higher Cost: Compared to standard locks, the Ultra Security 83974 lock is more expensive, which may not be feasible for all budgets.

3. Key Replacement: Losing the key for this lock could be more problematic, as it may require professional help to cut a new one.

4. Potential Compatibility Issues: Depending on the door or safe, there could be issues with the lock fitting properly or working seamlessly.

The Ultra Security 83974 lock (3/8 3/4) offers superior security and durability, making it an excellent choice for high-security applications. However, its complex operation, higher cost, potential compatibility issues, and difficulty in key replacement should be carefully considered before making a purchase.

If you require a high level of security for your commercial property, safe, or storage unit, the Ultra Security 83974 lock (3/8 3/4) is a worthy investment. However, for standard home use, a lower-cost, easier-to-operate lock may be more suitable. Always ensure the lock is compatible with your specific door or safe before making a purchase.

Details:

The lock features a nickel finish and is designed with 2 3/8 3/4 inch diameter for added Security. It includes hardware, instructions, and a key for easy installation use. The Ultra Security Entry Lock model 83974 is a modern, silver stainless steel door lock suitable for front doors. This high-quality lock from Ultra Security provides peace of mind and protection for your home.

part #: 83974 prices

• $55.51-$149.99

specifications locsedoo:

• brand: Ultra Security
• mpn: 83974
• type: Door Lock
• color: Silver
• items included: Hardware, Instructions, Key
• style: Modern
• material: Stainless Steel
• features: With Key
• finish: Nickel
• suitable for: Front Door

payments locsedoo:

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

returns locsedoo:

• policy: No Returns

shipping locsedoo:

• cost: $10.00
• transit: 3-7 Days
• type: Fixed
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard

offer locsedoo:

• options: Ship-to-home
• started: January 20, 2026
• quantity: 1
• availability: In Stock
• sold: 0
• best offers: True

seller locsedoo:

• rating: 100.0%
• # reviews: 85
• city: Miami, Florida

general locsedoo:

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

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