Deadbolt tailpieces lengths

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The B series accepts 6 or 7 pin small format cores when specifying with the "BD" cylinder suffix (less small format interchangeable core).  The tailpiece shown below is used for both...
Key-in-lever tailpieces differ in length depending on the lock series, function, and design.  Click here to identify the tailpiece and length.  NOTE: Modular cylinders use...
This is usually caused because the wrong tailpiece is being used on non-IC cylinders or the incorrect driver for IC options. Use the below descriptions to identify which they need.NON-IC: There are...
The Schlage full size interchangeable core (FSIC) prepped B560F, B561F, and B563F deadbolts all require a UL fire cup (R) in order to be UL listed.  This fire cup is s...
B500-Series Tailpieces Description Door Thickness Part Number Single Cylinder B560P, B563P 1 3/8" - 1 3/4" B520-651 >1 3/4" - 2 1/4" B520-652 B560GD, B560BD, B56...
Q330-168 SFIC Tailpiece (throw member for levers) Q330-169 SFIC Tailpiece (throw member for knobs) 
Installers have reported that their AD-CO Series cylindrical or mortise locks will unlock whenever the outside lever is lifted.    This will occur if the outside spindle (square post) is install...
Schlage offers Falcon Retrofit cylinders to fit many of Falcon's locks.  Table 1 below contains part number for T series locks.  Table 1 - Falcon retrofit cylinders