Marks Hardware 9D/3LH Mortise Body for Knob Sets, 2-1/2in Backset, Grade 2, Bright Brass

Marks Hardware 9D/3LH Office Vestibule Mortise Body Only offers a robust solution for your security needs, specifically designed for knob sets with a 2-1/2 inch backset. This Grade 2 mortise lock combines durability with elegance, featuring a bright brass finish (605/US3) that complements any office or commercial setting. The latch is engineered with a solid brass 1/2-inch throw, reversible for added versatility, while the bolt boasts a full 1-inch throw made from cast alloy, ensuring strong security against unauthorized access. Designed for high-traffic areas, the Marks Hardware mortise lock thrives in environments requiring reliable performance. With over 30 years of experience, Marks USA guarantees a maintenance-free lifespan, exceeding 6 million cycles of continuous use. This mortise body meets ANSI grade 1 specifications and is UL certified with a 3-hour fire rating, providing peace of mind in safety and compliance. Installation is straightforward, thanks to the high-pressure cast zamac case, measuring 1-1/16 inches by 7-5/8 inches for the front. Ideal for office vestibule applications, this keyless function ensures convenient access while maintaining secure entry points. Choose Marks Hardware for a blend of craftsmanship and security that stands the test of time.

Office Vestibule Mortise Body Only, for Knobs Sets, 2-1/2in Backset, Front 1-1/16 x 7-5/8in, Latch Only,Grade 2, 605/US3 Bright Brass

Marks USA has been making mortise locks for over 30 years. From their introduction, our mortise locks have enjoyed a reputation for long life and their ability to excel in high traffic, high abuse areas. Marks USA mortise locks are engineered to provide years of maintenance-free performance. Our Nova series mortise locks exceed 6 million cycles of continuous use.

Features:

• Meets ANSI grade 1 specification: ANSI-A156.13
• Underwriters laboratories 3-hour fire rating
• BHMA Certified
• Lifetime mechanical warranty
• Available in 2-1/2" and 2-3/4" backset
• Stainless steel bolts, latches, independent lever support springs (on lever sets)

Specifications:

• Backset: 2-1/2"
• Bolt throw: Cast alloy full 1" throw
• Latch throw: Solid brass 1/2" throw, reversible
• Case: High pressure cast zamac, baked enamel finish
• Front: 1-1/16" x 7-5/8", Flat or 3° bevel
• Hubs: 9/32" on square steel, w/security separator

Keyed Single Cylinder, No Deadbolt Functions:

• D: Office/vestibule
• DW: Vestibule

Keyed Single Cylinder, with Deadbolt Functions:

• A: Entrance, ANSI F08, F10
• B: Entrance, ANSI F21
• F: Dormitory, ANSI F12
• FS: Dormitory
• FW: Dormitory, ANSI F13

Keyed Double Cylinder, with Deadbolt Functions:

• AC: Entrance, ANSI F35
• C: Storeroom, ANSI F14
• FA: Dormitory, ANSI F11
• FX: Dormitory, ANSI F33

Keyless Functions:

• N: Passage, ANSI F01
• L: Bathroom, ANSI F02
• LF: Privacy, ANSI F19

Finishes:

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