dead bolt only

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Classroom Deadbolt Lock (ANSI Function: E0171 for B663/763/863 and D111, E0172 for B563 and D211 )Deadbolt thrown or retracted by key outside. Inside turn unit will retract bolt only. Bolt au...
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...
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 6216 electric strike was designed only for use with only the Folger Adams 310-3-1 mortise lock with deadbolt. The dead bolt must be retracted manually for the the strike to operate.
The replacement for the D871 is the D271.  None of the parts are backwards compatible. D271 description:Thumbturn x Occupancy Indicator Deadbolt thrown or retracted by turn unit only.  Occupancy...