Marks Metro Apartment Mortise Lockset 114 Series

Specifications

• Thru-bolted knob/plate assemblies integrate and align with lock body.
• Standard Finish: US 3
• Exterior: Wrought brass, screwless round knob, 2-1/4″ diameter on steel reinforced brass plate, 10″ x 2-3/4″. Two thru posts pass thru lock body. Integral spring-loaded 9/32″ spindle.
• Interior: Wrought brass, screwless round knob, 2-1/4″ diameter on steel reinforced brass plate, 7″ x 2-1/4″. Exposed 8-32 mounting. Bolts engage outside plate assembly. Integral spring- loaded 9/32″ spindle.
• Cylinder: 5-pin cylinder, 1-1/8″ long
• Strike: Conforms to ANSI spec.A115.1, 4-7/8″ x 1-1/4″ x 3/32″ thick, 5/8″ curved lip
• Door Thickness: 1-1/4″ to 1-3/4″
• Backset: 2-1/2″
• Lock Front: 7-5/8″ x 1-1/16″, .187″ thick, flat or 3° bevel, solid brass. Optional front: 8″ x 1-1/4″ steel backplate with brass cover plate. 
• Deadbolt: Cast brass, 1″ throw
• Latch: Solid brass, 1/2″ throw, reversible
• Rocker Switch: Locks or unlocks hub
• Hubs: 9/32″ on square with steel security separator
• Hub Lock Arm: Steel, .125″ thick
• Case: High pressure cast Zamac, baked enamel finish