There are several ways to spot differences, see Figure 1, but the easiest is to look at the face of each core.
The face of both cores looks like a "figure 8". With small format, bo...
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...