3715 Northcrest Road, Suite 1, Atlanta, GA 30340

(770) 455-6244

(770) 455-6244

  • Home
  • Master Key Systems
  • Medeco
    • Introduction
    • Medeco Mortise Cylinders
    • Medeco Rim Cylinders
    • Medeco Deadbolts
    • Medeco KIK/KIL Cylinders
    • Medeco Padlocks
    • Medeco Large Format Core
    • Medeco Small Format Core
  • Aircraft Keys
  • Order Forms
  • Store
  • Contact Us
  • More
    • Home
    • Master Key Systems
    • Medeco
      • Introduction
      • Medeco Mortise Cylinders
      • Medeco Rim Cylinders
      • Medeco Deadbolts
      • Medeco KIK/KIL Cylinders
      • Medeco Padlocks
      • Medeco Large Format Core
      • Medeco Small Format Core
    • Aircraft Keys
    • Order Forms
    • Store
    • Contact Us
  • Home
  • Master Key Systems
  • Medeco
    • Introduction
    • Medeco Mortise Cylinders
    • Medeco Rim Cylinders
    • Medeco Deadbolts
    • Medeco KIK/KIL Cylinders
    • Medeco Padlocks
    • Medeco Large Format Core
    • Medeco Small Format Core
  • Aircraft Keys
  • Order Forms
  • Store
  • Contact Us

Security Engineering Consultants, Inc.

Security Engineering Consultants, Inc.Security Engineering Consultants, Inc.Security Engineering Consultants, Inc.

Medeco Small Format Interchangeable Core

Medeco Small Format Core

Medeco X4 Small Format Interchangeable Cores (SFIC) provide utility patented key control for applications that don't require a UL listed cylinder. Designed to allow the user to instantaneously remove and replace cores through the use of a control key, Medeco X4 cores provide the ultimate in convenience.


Medeco X4 is well suited for facilities with high turnover of employees, such as fast food restaurants, convenience stores, and other similar businesses. Medeco X4 is also suitable for apartments, office buildings, schools, and hospitals where strict control over key duplication is required.

Patented Key Control

Protects against unauthorized duplication of  your keys. 

Uses Existing Hardware

Medeco X4 is available in a large selection of retrofit cylinder formats that can all be keyed into a single system.  

Quickly Change Cores

Medeco X4 SFIC provides quick and easy cylinder changes in the event keys are lost or stolen. 

Can Be Master Keyed

Available in Small Format Interchangeable Cores (SFIC) and other retrofit cylinder formats which can be master keyed together, eliminating the need to replace your existing hardware.

Connect With Us


 3715 Northcrest Road, Suite 1, Atlanta, GA 30340

(770) 455-6244


Copyright © 2025 Security Engineering Consultants, Inc. - All Rights Reserved.


Powered by

This website uses cookies.

We use cookies to analyze website traffic and optimize your website experience. By accepting our use of cookies, your data will be aggregated with all other user data.

DeclineAccept