double cylinder deadbolt

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Schlage and Falcon double cylinder deadbolts have concealed screws to prevent tampering. The two methods used to conceal the thru-bolts are using screw caps or a faceplate. Use the below instructio...
Falcon replaced its deadbolt offering in 2008 with the D100 and D200 series.  The D800 Grade 2 deadbolt was replaced by the D200 and the D400 Grade 1 deadbolt was replaced by the D100.   The new bo...
  Part compatibility (Old vs new): With the exception of the cylinder, most of the parts are neither backward nor forward compatible.  This includes the deadbolt. The cylinder mechanism for al...
Inside cylinder locks and unlocks the outside trim, such as thumb piece, knob or lever.  Outside cylinder functions as an NL when inside cylinder locks the outside trim.Double cylinder fe...
ND -series locks manufactured on or after January 30, 2017 use the following spring cages:Outside - N523-218 - For ALL cylinder options except for JD-YA6, JD-YA7 and JD-MEDInside - N523-222 -...
ND-series locks manufactured before January 30, 2017 used the following spring cages:
B600-092 is the inside snap-on faceplate for all non-IC double cylinder B562 and B662/762/862 deadbolts.
Double cylinders are only available on Von Duprin 98/99 Rim and 98/9975 Mortise devices.
A double cylinder(-2) option is not available on a Falcon device but is available from Von Duprin.