Sargent 4877 Classroom Mortise Deadbolt with 2-3/4" Backset

Sargent 4877 Series Classroom Mortise Deadbolt with 2-3/4" Backset and Cylinder x Thumb Turn Operation

Professional Classroom Security Solution

The Sargent 4877 Series Classroom Mortise Deadbolt delivers maximum security and durability for high-traffic educational facilities. Featuring a laminated stacked steel deadbolt with 2-3/4" backset depth and 1" latchbolt throw, this UL Listed lock is engineered for 1-3/4" door thickness applications. The cylinder x thumb turn configuration provides controlled access with key operation from outside and thumb turn retraction from inside for enhanced classroom safety.

Professional Features & Benefits

• Precise Door Compatibility: Designed for 1-3/4" door thickness with 2-3/4" backset depth for standard commercial door applications.
• Heavy-Duty Construction: Laminated stacked steel deadbolt provides exceptional security and durability for demanding classroom environments.
• Classroom Function Design: Cylinder x thumb turn operation allows key access from outside while thumb turn inside retracts but will not project deadbolt for safety compliance.
• UL Listed Compliance: UL and ULC listed certification ensures code compliance and reliable performance in educational facilities.
• Non-Handed Installation: Universal design accommodates both left and right-hand door configurations for installation flexibility.
• Complete Strike System: Includes flat strike type for secure frame mounting and proper deadbolt engagement.
• Manufacturer Warranty: 1-year limited warranty provides added confidence and protection for institutional applications.
• Ready-to-Install Package: Includes 2 keys and all necessary components for complete installation.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including 1-3/4" door thickness and 2-3/4" backset compatibility.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for mortise deadbolt installation.
4. Install all mounting hardware and secure the deadbolt to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation of both cylinder and thumb turn mechanisms.
6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Educational Facilities and Classrooms
• School Administrative Offices
• Healthcare Institution Patient Areas
• Commercial Office Buildings
• Multi-Tenant Residential Properties
• Government and Municipal Buildings
• Institutional Security Applications

Why Choose Sargent Quality?

Sargent mortise deadbolt products deliver professional-grade reliability with laminated stacked steel construction and UL Listed certification for demanding institutional applications. The 1-year limited warranty and proven classroom function design ensure dependable performance in high-traffic educational environments where security and safety are essential.

Product Documentation & Resources

• [Catalog] SARGENT Full Line Catalog