A lock specified by a cylinder suffix BDC will be supplied with a disposable small format construction core, see Figure 1 below. There is no metal key but instead the BDC cylinder has a ...
A small format disposable core is used as a SFIC construction core that is for low security applications and can be thrown in the waste bin after use.
The Schlage full size construction control key part number is 48-056-ICX. The ICX suffix will change depending on if the key is for a new job or existing job.
New jobs: Specify "ICX"
E...
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...
Choose the appropriate full size control key from the selection below.
Classic Conventional Key Blanks and Cut Keys
Part Number
Description
Key Blanks
35-056
Control
Standard bow, embossed both sides
35-076
Standard bow, unembossed both s...
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...