Marks Hardware 21AC/3LHR-W Double Cylinder Mortise Lock, 2-1/2in Backset, Marks A Keyway, Bright Brass

Marks Hardware 21AC/3LHR-W Knob x Plate Trim is a robust double cylinder mortise lock designed for enhanced security in residential and commercial applications. Featuring a 2-1/2 inch backset, this lock is ideal for doors requiring a reliable locking mechanism. The Marks "A" keyway incorporates a 5-pin cylinder for added security, and it comes with two keys that are keyed alike for convenience. Constructed with a solid brass trim, the 21AC/3LHR-W is not only aesthetically pleasing with its bright brass finish but also built for durability. The thru-bolted design eliminates the risk of threaded swivel spindles, ensuring a more secure installation. With a reversible mortise lock and a bolt throw of 1 inch alongside a latch projection of 1/2 inch, this lock accommodates various door thicknesses, specifically 1 inch. This model also includes spring-loaded captivated spindles for smooth operation and longevity. The lock is designed for left-hand reverse handing, making it suitable for specific door configurations. Backed by a lifetime mechanical warranty, the Marks Hardware 21AC/3LHR-W Knob x Plate Trim combines functionality and style, making it a perfect choice for any security-conscious homeowner or building professional.

Knob x Plate Trim, Double Cylinder Mortise Lock with Latch and Deadbolt, 2-1/2in Backset, Marks A Keyway, 5 Pin, Left Hand Reverse, Front 1in x 7-1/8in, 605/US3 Bright Brass

Marks USA has been a primary manufacturer of ornamental iron storm door locks for many years. During that time, many innovative improvements were developed to increase the reliability and ease of installation. Innovations includes the "uni-lock" model with single screw assembly, elimination of threaded swivel spindles in favor of the more secure thru-bolted design, helper springs in lever-rose sets, and steel hubs for greater endurance.

Features:

• Lifetime mechanical warranty
• Thru-bolted, solid brass trim
• Spring loaded captivated spindles
• Reversible mortise lock 1" backset
• 1" bolt, 1/2" latch projection

Specifications:

• Door thickness: 1"
• Series 9 lock body, Backset: 2-1/2"
• Reversible mortise lock: 1" bolt, 1/2" latch projection
• Lock front: 1" x 7-1/8"
• Cylinder: Marks "A" keyway, 5 pin w/ 2 keys; keyed alike-6

Functions:

• Keyed Single Cylinder, with Deadbolt: DW/F/FW: Single cylinder panic proof
• Keyed Double Cylinder, with Deadbolt: AC: Entrance
• Dummy Trim: DT: Full dummy

Finishes:

• 3 - Bright brass
• 32D - Stainless steel
• 10B - Dark bronze
• 26D - Satin chrome