Posted by National Lock Supply on Dec 16th 2025
Interchangeable core housings adapt IC cylinders to different lock types, door preparations, and security requirements. The housing provides the mechanical interface between the core and lock mechanism, controls key access angle, and determines door or frame preparation required. Specifying the wrong housing type results in cores that will not install in existing locks, require door modification, or present improper key access orientation creatin… Read more
SAME DAY & EXPEDITED SHIPPING AVAILABLE