Satin Nickel Left Hand Mortise Lock Set, 2-1/2 Backset for SE 27590, Single Pack

Constructed from robust materials and adorned with a satin nickel sheen, these high-performance mortise lock sets seamlessly integrate with exterior entry doors. Their design emulates the classic hardware found within, ensuring compatibility without compromising home security. Ranging in compatibility with doors measuring 1-3/8 to 1-3/4 inches thick, these locks boast Segal keyway lock cylinders, fortifying the solid structure of their internal components for both aesthetic appeal and modern-day protection.

The knobs, crafted from die-cast and reinforced steel, exhibit a stunning wrought, solid, polished brass finish. The interior trim plate, smaller in size at 2-1/4 inches wide by 7 inches tall, features a rocker switch to control the exterior knob, complemented by a steel-reinforced backplate. The mounting holes for the interior plate stand at 1-1/8 inches wide by 5-15/16 inches, while the exterior plate spans 2-3/4 inches wide by 10 inches tall, with centers 1-13/32 inches apart vertically and 8-3/4 inches horizontally.

Both the knob and key cylinder sit securely through the exterior trim plate. The lock set comes equipped with an 1/8-inch thick strike plate, hosting a rectangular opening for the deadbolt and latch, with mounting holes 4-1/8 inches apart. A discreet gray plastic dust box is provided for installation below the strike plate, enhancing security.

An additional safeguard is the split spindle knob system, which prevents external tampering. The exterior half accepts female threading and cross-pin inserts, while the interior side holds male threading. Suited for doors measuring 1-3/8 to 1-3/4 inches thick, this lockset maintains a vintage charm with 2-1/2 inch backset, a 1-1/16 inch by 7-5/8 inch faceplate, and projections of 9/16 inch for the latch and 1 inch for the deadbolt. All components, including steel-reinforced knobs with satin nickel finishes, feature a blend of wrought solid brass and zinc-alloy cases.

Each set includes all necessary installation hardware. At 5-1/4 inches tall and 3-3/8 inches wide, this lockset offers enhanced security with a night latch. Before making your purchase, consult the line art drawing to ensure compatibility with your existing hardware.

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