Interchangeable Cores


  • Large Format Designs to Fir Schlage and Yale Type Housing
  • Supplied with Control Key for Cylinder Removal Available in Multiple Mul-T-Lock Key System Platforms
  • Offered in Many Keying Variations Including: Keyed Different, Keyed Alike and Master Keyed


  • Convenient Retrofit for Existing Hardware
  • Easy Removal of Cylinder from Lock Housing for Replacement, Repair, Rekeying or Relocation
  • Patented and High Security Options Available
  • Supported by Mul-T-Lock’s Key Control Systems

Mul-T-Lock’s Interchangeable Core cylinders are designed for flexibility, allowing you to remove, replace and relocate a lock’s cylinder mechanism by using a unique control key.

With the ability to make changes to your cylinder with a control key, you can minimize both labor  and hardware costs, most particularly where there is a high rate of turnover.

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