
Adams Rite - 4900 - Heavy Duty Deadlatch - 31/32" Backset - LH or RHR - 2-5/8" Mortised - Flat/Standard Jamb - Aluminum - Metal Door
ADR-4900-25-201-628 4900 Heavy Duty Deadlatch provides flexible traffic control and easy installation. The flexibility of traffic control and easy installation is offered by 4900 Series Heavy Duty Deadlatches. A key-controlled bolt hold-back feature allows for two-way traffic for applications that require free entrance at certain times and exit-only at other times. This allows a "locked" entrance to be used as an exit by visitors already in the building. 1-3/4" [44.5 mm] minimum door thickness required. Interchangeable, without stile modification, with any MS1850S deadbolt of the same backset and faceplate shape. Also retrofits to existing 4510 and discontinued 4700 Deadlatch preparations. More Details Below Backset 31/32" [24.6 mm] Case Steel with corrosion-resistant plating. Measures 7/8" x 5-13/16" x depth [22.2mm x 147.6 mm x depth]. Depth varies by backset. Screw-fastened tube spacer brackets allow for cleaner removal when tab mounting. Bolt Holdback While the bolt is