Sargent 4877 Series Classroom Mortise Deadbolt with 2-3/4" Backset and 1" Throw - Less Cylinder
Professional Classroom Security Solution
The Sargent 4877 Series Classroom Mortise Deadbolt delivers maximum security and durability for high-traffic educational facilities. This UL Listed deadbolt features laminated stacked steel construction with a 2-3/4" backset and 1" latchbolt throw, designed specifically for 1-3/4" door thickness applications. The cylinder x thumb turn configuration provides secure key-operated access from outside while allowing interior thumb turn retraction without projection capability.
Professional Features & Benefits
- Precise Door Compatibility: Engineered 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 maximum security and performance for demanding institutional environments.
- Classroom Function Design: Key outside operates deadbolt while thumb turn inside retracts but will not project deadbolt for enhanced classroom security protocols.
- Non-Handed Installation: Universal design eliminates handing requirements for simplified inventory management and installation flexibility.
- UL Listed Certification: UL and ULC Listed for fire safety compliance and code requirements in commercial applications.
- High-Traffic Durability: Specifically designed for schools, hospitals, and other high-traffic facilities requiring reliable long-term performance.
- Manufacturer Warranty: 1-year limited warranty provides added confidence and protection for institutional investments.
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- 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
- Healthcare Institutions
- Commercial Office Buildings
- Government and Municipal Buildings
- Multi-Tenant Residential Properties
- Industrial and Warehouse Facilities
- Retail Establishments
Why Choose Sargent Quality?
Sargent mortise deadbolt products deliver professional-grade reliability with laminated stacked steel construction and UL Listed certification for demanding commercial applications. The 1-year limited warranty and proven performance in high-traffic facilities like schools and hospitals demonstrate Sargent's commitment to institutional security needs. Engineered for dependable performance where maximum security and durability are essential.
Product Documentation & Resources
Manufacturer Resources
Product Specs
- Series:
- 4870 Series
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Mortise Locks and Trim
- Product Type:
- Mortise Locks
- Subcategory:
- Mortise Locks and Trim
- Commercial/Residential:
- Commercial
- Lock Function:
- Classroom
- Keyed Function:
- Less Cylinder
- Lock Type:
- Deadbolt
- Product Model:
- 4877
- Product Function:
- Classroom
- Product Category:
- Exit Devices and Trim
- Department:
- Door Hardware