size Armature bolt


The armature bolt is not available on its own, but it is included in the armature mounting fastener pack, part# P44489128 for M450/M420 P44497110 for M490
The default backset is 2 3/4" and the latch faceplate dimensions are 1 1/8" x 2 1/4". The latch supplied is the 13-047 deadlatch and 13-048 springlatch.
The bore size is dependent on the function of the deadbolt.  Some functions can be installed into a 1 1/2" or 2 1/8" bore while others require 1 1/2" only.  You need to reference the dead...
P44487767 is the part number for a M490DE armature.