A promotional product shot for Medeco high-security locks and deadbolts. Three black Medeco 6000 Series padlocks are shown in the center, with several silver and brass deadbolts and keys arranged on a dark tabletop to the right.

Medeco M4 High-Security Systems & Hardware

Protect your facility with Medeco M4 (Medeco 4), the premier standard in commercial security and physical lock protection. Featuring utility-patented key control through 2040, UL 437 drill and pick resistance, and specialized technology built to prevent 3D-printed key duplication, Medeco M4 delivers complete peace of mind across every entry point.

Why Choose Medeco M4 Technology?

  • Patented Key Control: Prevents unauthorized key duplication. Keys can only be copied with explicit authorization, ensuring total oversight of your credential system.
  • 3D-Printing & Pick Protection: Engineered with a patented shuttle pin lift element and four side pins that defend against bumping, picking, and emerging digital key replication threats.
  • UL 437 Certified Strength: Solid brass construction reinforced with hardened steel inserts resists severe drilling and physical attack methods.
  • Seamless Retrofitting: M4 cylinders retrofit directly into virtually all major door hardware brands, allowing you to upgrade protection without replacing full locksets.

Professional Supply & Installation Across Ontario

Through our trusted partner, Fraser Lock & Safe, one of Canada's oldest locksmith's, we offer turn-key system design and professional installation services for Medeco M4 to commercial, industrial, and institutional clients throughout Ontario.

  • New Construction & Master Key Design: Build a tailored, scalable system from the ground up. Integrate rim cylinders, mortise locks, key-in-lever formats, and heavy-duty padlocks under a single master key layout.

  • Existing Building Retrofits: Easily upgrade your current security profile. We can replace aging cylinders with high-security Medeco M4 cores to gain immediate key control without full lock replacement.

  • Medeco High-Security Padlocks: Protect perimeter fencing, gates, and equipment enclosures. Medeco padlocks feature boron alloy steel shackles and can tie directly into a master key system.

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