The Mul-T-Lock IC Core Cylinders are cylinder locks made for retrofitting the interchangeable cores of Schlage and Yale housings for applications.

Application for the Mul-T-Lock IC Core Cylinders include residential and commercial doors and cabinets.



  • Retrofitting interchangeable core of “Schlage” housing for various applications.
  • Regular key: 360˚ rotation
  • Control key: 90˚ rotation to enable core extraction
  • Body and plug: high-quality brass
  • Cam: steel
  • Pins: nickel silver and stainless steel
Standard finishes
  • Nickel chrome matte; Shiny brass (Schlage IC core cylinders only)
  • Brass; Nickel chrome matte (Yale IC core cylinders only)
Cylinder mechanism
  • Mul-T-Lock’s unique, high-precision pin tumbler system
  • Reversible nickel silver key with plastic key head and colored insert
  • Also available in all nickel silver
Cylinder platforms
  • Classic; Interactive®+; MT5®
Cylinder options
  • ‘3 IN 1’ (changeable combination)
  • Keyed different
  • Keyed alike
  • Master keyed

To place an order for a Mul-T-Lock IC Core Cylinder or for a quote, contact your local IDN Branch.

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Kwame Shorter is the Digital Communications and Website Specialist at IDN, Inc.