Mul-T-Lock

The MTL™600 superior protection locking solution provides you with the high security you need and the enhanced key copy control you desire.

The combination of several technological elements creates strong resistance against different forms of lock manipulation.

Benefits:

  • Layered protection
  • A variety of keying options
  • Compliance with stringent international standards

Flexible and convenient

Available in various formats, MTL™600 can fit into different locking products, including a wide range of cylinders, padlocks and locks, giving you protection where you need it while ensuring maximum convenience.

MTL™600 ensures your entries are conveniently secure by allowing for multiple keying options:

  • Keyed Alike  - Access multiple doors with a single key
  • 3in1 Keying - Instantly change a lock's combination up to 2 times by simply turning a key
  • FleX Control - Provide access to whom you want, and then limit it when you don't
  • Master Keying Systems - Assign various levels of access to a user's key

Enhanced key copy control

MTL™600 comes with a unique magnetic card that should be presented to an authorized Mul-T-Lock locksmith when additional keys are needed.

With MTL™600, you can confidently balance control with convenience with a key system that responds to a wide variety of needs, even as they change.

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Superior access control for businesses

MTL™600-based Master Key Systems provide organizations with seamless access control while economizing on the number of keys in circulation. Its robust MKS capabilities are designed to scale as your locking needs grow and evolve.

Our professionals will help you design, build and maintain a highly effective and efficient system that ideally suits your business’ needs, providing you with ongoing expert support throughout the installation and implementation process.

Click here to locate an authorized Mul-T-Lock dealer near you 

Click here to download MTL™600 brochure

Click here to learn more about Master Key Systems

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  • MTL™600 (Interactive®+)

    Mul-T-Lock's MTL™600 mechanical platform addresses High Security concerns while responding to functional needs.
    Building on four decades of extensive experience and MTL™600 key platform's proven technology and global success, MTL™600 utilizes patent technology for enhanced High Security.

    Available in all formats and product types, MTL™600 key platform provides advanced High Security and protection with a single key that can fit into all products for real convenience.

    Using advanced technology, MTL™600 combines an enhanced variation of the telescopic pin mechanism with a special patented floating element to meet the highest security standards.

    MTL™600 Solution Benefits

    • Advanced Key Control - through unique coded Mul-T-Lock key card, only readable by authorized Mul-T-Lock dealers.
    • Master Keying Options  - supporting complex operational and organizational needs.
    • Choice of Format - cylinders, padlocks, locks, electronic door solutions and more - one key fits them all.
    • Increased Security Effectiveness - via patented High Security technology: keys and telescopic pins.

    Advanced Key Control - through unique coded Mul-T-Lock key card, only readable by authorized Mul-T-Lock dealers.

    MTL™600 Solution Features

    • Comprehensive Key and Cylinder Control  - to address a variety of needs:
      • Master Key Systems - assign various levels of access to a user's key.
      • Keyed Different - access each door with a different key.
      • Keyed Alike - access multiple doors with a single key.
      • 3-in-1 Keying - instantly change a lock's combination up to 2 times by simply turning a key.
      • Construction Keying - provides access to multiple doors with a common key, then instantly switches to unique combinations when necessary, rendering the common key useless.
      • FleX Control  - Mechanically control access by using special keys.
      • Modular Cylinder - gives you the flexibility to quickly and easily configure cylinder lengths according to customer needs.
    • Flexible and CLIQ Compatible - add convenient access control by integrating the electromechanical CLIQ® platform  to your MTL™600 system.
    See product

  • Key Cylinder Platforms

    Mul-T-Lock keying platforms are unique and provide some of the highest-performing solutions.
    Explore category

  • Padlocks

    A variety of padlock types to fulfill any requirement and application
    Explore category
  • The Mul-T-Lock name, the muscleman logo, in the field of locking products, the MTL name, and any other name, mark, or logo used by Mul-T-Lock and marked by a ™ or ® sign, are registered / pending or otherwise owned trademarks of Mul-T-Lock Ltd. and/or its affiliates 2025
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