The Schlage B and BD cylinder suffixes designate less small format interchangeable core (SFIC) cylinder prep for the lock. Any SFIC, 6-pin or 7-pin, can be inserted into the lock and will operate t...
The letters GD, HD, BD, or BDC should be put after the lock function. EXAMPLE: ND53BD
GD = Schlage SFIC core
HD = Construction core
BD = Less core
BDC = Plastic temporary construction core
This only applies to the full size interchangeable cores. The SFIC mortise cylinders have part numbers for housings with construction cores (Disposable and Keyed).
Simply add (-ICX) to the end o...
A control key is required to install or remove an interchangeable core from a housing or lever. The control key is identified by having "CONTROL" stamped on the bow. How to install and remove an i...
Specify the J cylinder suffix followed by IC-CR6 or IC-CR7 (6 or 7 pin Corbin core)
Example: T581J IC-CR6
This will accommodate an 8000 or 8000-7 Corbin Russwin Full Size core.