Cylindrical Locks: a bored lockset whose latch or bolt locking mechanism is contained in the portion installed through the cross-bore
Medium, high to extra heavy duty
Commercial, mul...
The 98/99 rim device can be converted to double cylinder 98-2 or 99-2.
Double cylinder features an inside key cylinder which locks or unlocks the outside trim (Classroom Function) and an outside...
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:
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...