standard construction core

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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
Use the cylinder suffix 'T' for full size interchangeable core or the cylinder suffix 'HD' for small format interchangeable core, see Figure 1.  Small format also has a disposable core option ...
Any SFIC core will operate in the C987.  Specifically, the Schlage temporary cores are the 80-035 GRN and 80-035 BRN.
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 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.
It is not possible to key SFIC and standard cylinders including Schlage FSIC into the same system.  A keyway name may be shared between the two key fami...
Conventional Cylinders - A conventional cylinder is one that requires some breakdown of the lock in order to be removed. These are the most commonly used cylinders sometimes called key-in-lever...