Keying Systems

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Mul-T-Lock develops and designs keying systems to meet your evolving locking needs using advanced and unique technologies. Our keying systems prioritize high-security and technological innovation, for a secure and reliable home locking solution.

Keying Options

Dedicated to satisfying your needs, Mul-T-Lock offers many convenient and customizable keying options for your home and family. These options range from traditional to innovative and are designed to offer ease-of-use and full control over home locking systems.


The simplest and most common keying option, Keyed Different locking systems, is comprised of multiple cylinders and keys. A single key can only unlock each cylinder and no key can unlock more than one cylinder, ensuring you have full access control and maximum home security. 

Our patented high-security mechanical platforms have been developed with you in mind. Mul-T-Lock offers several different products that can then be customized to fit your exact needs.

From a high-quality medium security solution to a premium, high-security patented locking system that offers enhanced key copy control, all Mul-T-Lock mechanical platforms meet international standards and provide enhanced intrusion protection with high resistance to picks, drills, bumps, and other forms of cylinder attack.

Click on the image to find out more about each mechanical platform: