SARGENT 82-0640 Mortise Lock Steel Galvanized

( Brand: Sargent ), ( Manufacturer Part Number: 82-0640 ), ( Type: Mortise Lock ), ( Material: Stainless Steel ), ( Color: Silver ), ( Suitable For: Commercial, Front Door ), ( Finish: Galvanized ), ( Features: With Key ), ( Style: Traditional ), ( Country Of Origin: United States )

Review SARGENT Mortise Lock Stainless Steel Silver Galvanized Commercial

The **Sargent 82-0640 Mortise Lock** is a robust, high-performance security solution designed for residential and light commercial applications where durability and reliability are paramount. This galvanized steel lock is engineered to provide exceptional resistance against tampering, burglary attempts, and environmental wear, making it an ideal choice for doors requiring enhanced protection without compromising on aesthetics. Constructed from premium-grade steel and treated with a protective zinc galvanization process, the lock is engineered to withstand moisture, rust, and corrosion, ensuring long-term functionality even in harsh or humid conditions. Its mortise-style design allows for seamless integration into standard door frames, offering a clean, flush appearance that complements both traditional and modern architectural styles. The lock features a durable brass or steel latch bolt, reinforced with a hardened steel strike plate for added security, while its smooth, low-friction mechanism ensures quiet, effortless operation over countless cycles. Whether installed in a front entry door, interior security door, or commercial setting, the Sargent 82-0640 delivers a balance of strength, security, and ease of use, backed by the trusted craftsmanship of a brand known for innovation in the locksmithing industry. Its compatibility with a wide range of keyways and cylinder options further enhances its versatility, allowing for customization to match existing security systems or preferences.

### **Pros and Cons of buying a Sargent 82-0640 Mortise Lock (Steel, Galvanized)**

1. **Durability and Longevity** Made from steel and galvanized for corrosion resistance, this lock is built to withstand frequent use and harsh environmental conditions. The galvanized finish helps prevent rust, making it suitable for both indoor and outdoor applications.

2. **High Security** As a mortise lock, it offers robust security features, including a solid metal construction and a keyway designed to resist picking and drilling. It is often used in commercial and institutional settings where security is a priority.

3. **Compatibility with Standard Mortise Boxes** This lock is designed to fit standard mortise lock boxes (e.g., 2-3/8" or 2-7/8" depth), making it versatile for retrofitting or new installations in doors with pre-cut mortises.

4. **Reliability** Sargent is a trusted brand in the security industry, known for producing locks that maintain smooth operation over time. The mechanical components are generally well-engineered to minimize wear.

5. **Aesthetic Options** While the galvanized finish is utilitarian, Sargent offers other finishes (e.g., brass, oil-rubbed bronze) for this model, allowing for better visual integration with door hardware.

6. **Easy Installation** Mortise locks like this one are designed for professional installation, but their modular nature makes them straightforward to fit into pre-machined door frames. The latch and deadbolt components can often be adjusted for proper alignment.

7. **Compliance with Standards** This lock meets or exceeds industry standards for security and durability, making it a reliable choice for applications requiring compliance (e.g., schools, government buildings, or commercial properties).

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1. **Complex Installation** Mortise locks require precise cutting of the door frame (mortising) and alignment of the latch and deadbolt. This is not a DIY-friendly project unless you have experience with woodworking or locksmithing. Improper installation can lead to binding, misalignment, or security vulnerabilities.

2. **Higher Cost** Compared to simpler locks like surface-mounted deadbolts or rim locks, mortise locks are more expensive. The 82-0640 is positioned as a mid-to-high-end product, which may not be cost-effective for residential use where lower-security options suffice.

3. **Weight and Bulk** The steel construction makes the lock heavier than plastic or lighter metal alternatives. This can add weight to the door, potentially affecting its balance or requiring reinforcement.

4. **Limited Keyway Options** The keyway design is proprietary to Sargent, which means you ll need to use Sargent keys. If you lose the key, replacements may be harder to find than for universal keyway locks.

5. **Maintenance Requirements** While galvanized, the lock may still require occasional lubrication of the moving parts (e.g., latch, deadbolt) to prevent stiffness. Over time, wear on the strike plate or mortise box can also occur, necessitating adjustments or replacements.

6. **Not Ideal for All Doors** Mortise locks are best suited for solid wood or thick doors. They may not be practical for hollow-core doors, thin doors, or doors without pre-cut mortises, as these require additional modifications.

7. **Potential for Key Duplication Issues** Some Sargent locks use a keyway system that can be more difficult to duplicate than standard ANSI keyways. This might lead to delays or higher costs if you need spare keys made.

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The Sargent 82-0640 mortise lock is an excellent choice for applications where security, durability, and reliability are paramount. It excels in commercial, institutional, or high-security residential settings where a robust lock mechanism is essential. However, its complexity of installation, higher cost, and specialized requirements make it less suitable for casual or budget-conscious users. If you prioritize ease of use and lower upfront costs, simpler locks may be more appropriate. Conversely, if you re installing it in a professional setting with the resources to handle installation and maintenance, this lock delivers outstanding performance.

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- You are installing it in a commercial, institutional, or high-security residential setting.

- You have access to a professional locksmith or carpenter to handle installation and mortising.

- Durability, corrosion resistance, and security are top priorities.

- You are willing to invest in a premium lock that will last for years with minimal maintenance.

- You are a DIY enthusiast without experience in mortising doors or lock installation.

- Your budget is limited, and you can opt for a simpler, less expensive lock.

- The door you re installing it on is not suitable for mortise locks (e.g., hollow-core or thin doors).

- You require universal keyway compatibility or quick key replacements.

For most residential applications, a high-quality deadbolt (e.g., Schlage or Kwikset with ANSI Grade 1 rating) or a smart lock may offer a better balance of security, ease of installation, and cost. However, if you re committed to a mortise lock for its security benefits and have the means to install it properly, the Sargent 82-0640 is a dependable and long-lasting option.

Details:

Country of manufacture: USA. Design and features: Latch bolt provisions, round cylinder opening, re-handball locking piece with handing instructions printed on the body. Model / MPN printed on label: 82-0640; MPN: 82-0640 REV 18; label text: SARGENT ASSA ABLOY with handing and instruction labels. Brand: SARGENT.

Suitable for: Commercial front doors and standard mortise locket installations. Type and style: Mortise lock body, traditional for commercial front door applications; features with key provision. Item: SARGENT 82-0640 Mortise Lock. Material and finish: Stainless steel construction with galvanized finish; color: Silver.

part #: 820640 prices

• $74.66-$92.40

specifications locsedoo:

• brand: Sargent
• mpn: 82-0640
• type: Mortise Lock
• material: Stainless Steel
• color: Silver
• suitable for: Commercial, Front Door
• finish: Galvanized
• features: With Key
• style: Traditional
• country of origin: United States

offer locsedoo:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: April 20, 2026
• quantity: 1

returns locsedoo:

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

shipping locsedoo:

• service: USPS Ground Advantage
• class: Standard
• carrier: USPS
• cost: $0.00
• type: Fixed
• transit: 4-8 Days

payments locsedoo:

• wallet: Paypal
• other
• credit card: Discover

general locsedoo:

• Building Hardware > doors Door Hardware > Door Locks Lock Mechanisms
• condition: Open box

seller locsedoo:

• # reviews: 16329
• city: Kansas City, Missouri
• rating: 99.6%

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