Sargent 8220 Grade 1 Mortise Deadlock with Single Cylinder and 2 3/4" Backset

Sargent 8220 Grade 1 Mortise Deadlock with Single Cylinder and 2-3/4" Backset

Professional Grade 1 Mortise Deadlock Solution

The Sargent 8220 Series mortise deadlock delivers maximum security and durability with Grade 1 construction designed for demanding commercial applications. This robust deadlock features a one-piece hardened steel deadbolt with 2-3/4" backset and 1-3/4" door thickness compatibility. UL and ULC listed for fire safety compliance, this non-handed deadlock provides key-operated deadbolt projection and retraction from the outside with no inside operation capability.

Professional Features & Benefits

• Door Compatibility: Standard 1-3/4" door thickness with 2-3/4" backset for consistent commercial door applications.
• Heavy-Duty Construction: One-piece hardened steel deadbolt provides exceptional strength and tamper resistance for high-security applications.
• Grade 1 Performance: ANSI/BHMA A156.13 Series 1000 certification ensures maximum durability and operational reliability in commercial environments.
• Universal Installation: Non-handed design simplifies inventory management and installation planning for any door swing configuration.
• Key System Compatibility: Available with all Sargent key systems including Degree, Signature, KESO, and XC for flexible master keying options.
• Fire Safety Compliance: UL and ULC listed for use in fire-rated door assemblies and life safety applications.
• Complete Package: Includes 2 keys and curved lip strike for immediate installation readiness.
• Manufacturer Warranty: 10-year limited warranty provides long-term protection and confidence in product reliability.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
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

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

Why Choose Sargent Quality?

Sargent mortise deadlock products deliver professional-grade reliability with hardened steel construction and Grade 1 ANSI/BHMA certification for demanding commercial applications. UL and ULC fire safety listings ensure code compliance in critical life safety installations. Engineered for maximum security with a 10-year limited warranty, this deadlock provides dependable performance where security and durability are essential.

Product Documentation & Resources

• [Catalog] SARGENT Full Line Catalog