Sargent 8XG05 Grade 1 Entrance/Office Single Cylinder Knob Lock with 2-3/4" Backset

Sargent 8X Line Series Grade 1 Single Cylinder Knob Lock with 2-3/4" Backset

Professional-Grade Cylindrical Lock Solution

The Sargent 8X Line Series Grade 1 knob lock delivers commercial-grade security and durability for entrance and office applications. This ANSI/BHMA Grade 1 certified lock accommodates door thicknesses from 1-3/8" to 1-3/4" with standard 2-3/4" backset and features reversible, self-adjusting latches for versatile installation. UL-cUL fire-rated up to 3 hours and accepts SARGENT standard, Signature and Degree® cylinders for flexible master key system integration.

Professional Features & Benefits

• Door Compatibility: Accommodates door thicknesses from 1-3/8" to 1-3/4" with standard 2-3/4" backset for versatile installation options.
• Grade 1 Durability: ANSI/BHMA Grade 1 certification ensures heavy-duty performance designed and tested for robust commercial applications.
• Fire-Rated Construction: UL-cUL fire-rated up to 3 hours for code compliance in fire-rated door assemblies.
• Reversible Latch Design: Self-adjusting latches automatically conform to door bevel, simplifying installation and reducing preparation time.
• Cylinder Flexibility: Accepts SARGENT standard, Signature and Degree® cylinders for integration with new or existing master key systems.
• Interior/Exterior Versatility: Suitable for both interior and exterior applications with weather-resistant construction.
• Heavy-Duty Load Rating: Designed to support doors up to 250 lbs for demanding commercial applications.
• Manufacturer Warranty: 3-year limited warranty provides confidence and protection for commercial installations.

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 8X Line Series knob locks deliver professional-grade reliability with Grade 1 construction rated for heavy-duty commercial applications. UL-cUL fire-rated up to 3 hours with 3-year limited warranty coverage for added confidence. Engineered for demanding commercial applications where dependable performance and code compliance are essential.