Cylinder Lockset for fire door

- Jul 02, 2019-

Cylinder locksets are most common in residential applications, but they are also used in institutional and office spaces. A hole is bored into the face of the door and a second hole is bored through the door edge and into the first hole. The main lock cylinder shaft is installed into the larger hole. After, the smaller latch cylinder is installed into the edge hole.

lockset-cylinder