Interchangeable Cores (IC)

Interchangeable cores provide rekeying convenience for virtually all types of keying systems.  This type of cylinder saves time and money over the life of a building.


  • 7-Pin
  • VKC (Visual Key Control)
  • CKC (Concealed Key Control)
  • Construction Master Keying
  • Restricted/Patented Keyways
  • Pyramid

Rekeying can be done by non-technical personnel without removing hardware from the door. When used system wide, IC provides tremendous rekeying convenience. When planned from the inception of a system, IC cylinders can be integrated with conventional cylinders.

IC is recommended for virtually all types of keying systems, such as office buildings, hotels, schools, hospitals and universities. When used in exit devices and other installations which are labor intensive to rekey, IC saves time and money over the life of the building.

All operating keys (change, master, grand master) operate the lock normally. To rekey, use the special control key. The control key operates at a separate shear line in certain chambers within the core. Only the control key is required to remove and install a core.

Cores are available in 6-pin (standard), 7-pin, security and Pyramid. Two nickel silver change keys are furnished standard per core. Control keys will be furnished when ordered.

Construction Keying
Corbin Russwin recommends temporary construction cores for greater security. Special construction master keying is also available, when planned from the inception of the keying system.

Core Marking
Concealed Key Control (CKC) is available for all Corbin Russwin cores.


Available Finishes

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BHMA 605

Bright Brass

BHMA 606

Satin Brass

BHMA 611

Bright Bronze

BHMA 612

Satin Bronze

BHMA 613

Dark Oxidized Satin Bronze, Oil Rubbed

613E Dark Oxidized Satin Bronze Equivalent

BHMA 618

Bright Nickel Plated

BHMA 619

Satin Nickel Plated

BHMA 625 

Bright Chromium Plated

BHMA 626

Satin Chromium Plated

BHMA 722 

Black Oxidized Bronze, Oil Rubbed