4900 Heavy Duty Deadlatch
Adams Rite
For Aluminum stile doors
Flexibility of traffic control and installation is offered by the 4900 Series deadlatches. A reverse turn of the key while bolt is held retracted retains the bolt, to allow two-way traffic for applications which require free entrance at certain times and exit-only at other times. Interchangeable, without stile modification, with any MS 1850A or MS 1850S deadbolt of same backset and faceplate shape. Also retrofits to existing 4500/4700 Deadlatch preparations. 1/3/4” minimum door thickness required.
Operation
Turn key or operate handle or paddle to retract spring-loaded latch bolt. To hold bolt retracted, push it in and secure by reverse turn of key. Uses any standard mortise cylinder with MS® cam
