Hager 3944 3400 Series Dead Latch with 1-1/8" x 2-1/4" Faceplate

Hager 3944 3400 Series Dead Latch with 1-1/8" x 2-1/4" Faceplate

Professional Dead Latch Solution for Commercial Applications

The Hager 3944 3400 Series Dead Latch delivers reliable locking performance with a 2-3/8" backset and 1-1/8" x 2-1/4" faceplate configuration. This UL Listed dead latch features a 2-3/4" latchbolt design and supports all keyed functions except Corridor, making it ideal for office, entry, classroom, storeroom, and institution applications. Constructed with brass substrate for durability and available in multiple finish options including US3, US4, US10B, US26, US26D and BLK.

Professional Features & Benefits

• Compact Faceplate Design: 1-1/8" x 2-1/4" (29 mm x 57 mm) faceplate provides versatile installation options for various door preparations.
• Standard Backset Configuration: 2-3/8" backset accommodates most commercial door applications with proper door preparation.
• Extended Latchbolt: 2-3/4" (70 mm) latchbolt provides secure engagement with strike plate for reliable latching performance.
• Versatile Function Support: Compatible with Office (50), Entry (53), Classroom (70), Storeroom (80), Institution (82), and Classroom (95) keyed functions.
• Durable Brass Construction: Brass substrate provides corrosion resistance and long-term durability in commercial environments.
• UL Listed Certification: UL Listed for fire door applications ensuring code compliance and safety standards.
• Multiple Finish Options: Available in US3, US4, US10B, US26, US26D and BLK finishes to match existing hardware aesthetics.
• Flexible Faceplate Options: Square corner standard with round corner option available for different architectural requirements.

Technical Specifications

• Commercial/Residential: Commercial
• Faceplate: 1-1/8" x 2-1/4"
• Finishes: US3, US4, US10B, US26, US26Dand BLK
• Functions: 50 – Office; 53 – Entry; 70 – Classroom; 80 – Storeroom; 82 – Institution; 95 – Classroom
• Notes: 1-1/8" x 2-1/4" (29 mm x 57 mm) Faceplate; All keyed functions except Corridor; UL Listed
• Subcategory: Door Latches and Catches

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, backset dimensions, and faceplate cutout for 1-1/8" x 2-1/4" configuration.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
3. Prepare door by drilling required holes and routing faceplate mortise as specified in manufacturer instructions.
4. Install the dead latch assembly ensuring proper alignment with strike plate and 2-3/8" backset positioning.
5. Adjust latchbolt operation for smooth engagement and retraction throughout the full range of motion.
6. Test latch operation with intended lock function to verify proper integration and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Government and Municipal Buildings
• Multi-Tenant Residential Properties

Why Choose Hager Quality?

Hager 3400 Series dead latches deliver professional-grade reliability with brass substrate construction and UL Listed certification for demanding commercial applications. The 2-3/4" latchbolt design and versatile function compatibility ensure dependable performance across multiple lock configurations. Engineered for commercial environments where consistent latching performance and code compliance are essential.

Support Resources

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