Description
The Marks USA 71A/3 is a commercial-grade mortise lockset designed for entry doors requiring reliable security and durability. This mortise lock combines a deadbolt with a latch mechanism, making it ideal for facilities that demand ANSI-compliant hardware. The screw knob design with polished brass finish suits both residential and commercial installations where traditional aesthetics matter.
This 7 Series lockset fits standard doors from 1-5/8" to 2-1/4" thick and features a 2-3/4" backset. Verify your door thickness and existing cutouts before ordering. As an authorized Marks USA dealer, E.D. Locks provides expert guidance on mortise lock installation, keying options, and compatibility. Contact our sales team at sales@edlocks.com or call 1-877-207-6067 for pre-purchase assistance and technical support.
Specifications
- Brand: Marks USA
- Model: 71A/3
- Lock Series: 7 Series (2-3/4" Backset)
- Lock Front: 8" x 1-1/4" steel backplate with brass cover plate
- Deadbolt: Cast 1" throw, steel reinforced
- Latch: Solid brass, 1/2" throw (reversible)
- Door Thickness: 1-5/8" to 2-1/4" standard
- Exterior Trim: Steel reinforced brass plates, 10" x 2-3/4", polished brass finish (US 3), wrought brass knob 2-1/4" diameter
- Interior Trim: Steel reinforced plate 7" x 2-1/4", polished brass finish (US 3), wrought brass knob 2-1/4" diameter
- Spindle: Two piece 9/32" steel swivel
- Cylinder: 1-1/8" long solid brass, 6 pin with 2 keys
- Strike: 4-7/8" x 1-1/4" x 3/32" thick, 5/8" curved lip
- Case: High pressure cast Zamac, baked powder coat finish
- Rocker Switch: Locks or unlocks exterior lever
- Conformance: ANSI spec. A115.1
