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mortise lock sizes

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  • Are Mortise Cylinders Interchangeable?

    2025-12-15

    If you are a property manager, a business owner, or a homeowner with a vintage door, you have likely encountered a mortise lock. These robust, boxy locksets are known for their durability and security. However, when a key is lost or an employee leaves, you might face a dilemma: do you need to replace the entire expensive lock body, or can you simply swap out the cylinder? Read More
  • How to Mortise a Door for a Mortise Lock?

    2025-11-25

    A mortise lock is a hallmark of security, durability, and classic design. Unlike standard cylindrical locks, a mortise lock is recessed into the door itself, creating a robust and reliable mechanism. While the installation process—known as mortising—can seem intimidating to DIY enthusiasts, it is a highly achievable project with the right tools, patience, and guidance. Read More
  • ​How to Measure a Mortise Lock Cylinder?

    2025-11-25

    When it comes to door security, the mortise lock is a hallmark of strength and reliability. Found in both commercial and high-quality residential properties, its robust mechanism offers superior performance. However, the heart of this lock's operation and security is the mortise lock cylinder. Whether you're looking to replace a damaged one, rekey for security, or simply upgrade, knowing how to measure it correctly is crucial. Read More
  • Are Mortise Locks Safe? A Guide to UL Certification

    2025-11-18

    When it comes to securing a property, the lock on the door is your first line of defense. You need something strong, durable, and reliable. For decades, mortise locks have been a top choice for commercial buildings, hotels, and high-end residential properties. But a common question remains for those considering an upgrade: are mortise locks safe? Read More
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