Sargent 8291-ET All Purpose Holdback Function Heavy Duty Single Cylinder Mortise Lock with Escutcheon Trim

Sargent 8291-ET Heavy Duty Single Cylinder Mortise Lock with All Purpose Holdback Function and Escutcheon Trim

Industry Benchmark Grade 1 Mortise Lock Solution

The Sargent 8291-ET represents the industry benchmark for maximum security, performance, and durability in commercial door hardware. This heavy-duty single cylinder mortise lock features all purpose holdback function with escutcheon trim, designed for 1-3/4" door thickness with 2-3/4" backset depth and 3/4" latchbolt throw. Built with high-quality components and patented design construction, this Grade 1 mortise lock integrates with all Sargent key systems including Degree, Signature, KESO, and XC for comprehensive security management.

Professional Features & Benefits

• Door Specifications: Standard 1-3/4" door thickness with 2-3/4" backset depth and 3/4" latchbolt throw for consistent professional installation requirements.
• Exceptional Durability Testing: UL Cycle Above and Beyond test completed at 16 million cycles (Verification ID: V584148) for unmatched reliability in high-traffic commercial applications.
• Heavy-Duty Construction: Patented design construction with high-quality components provides exceptional durability for demanding commercial environments.
• Universal Key System Integration: Compatible with all Sargent key systems including Degree, Signature, KESO, and XC for flexible security management across facilities.
• Multi-Functional Design: Available in 56 different functions including electromechanical, security and monitoring options with field reversible handing capability.
• Comprehensive Fire Rating: UL 10C Fire-Rated up to 3 hours with UL-cUL listing for critical fire safety compliance in commercial applications.
• Grade 1 Security Performance: ANSI/BHMA A156.13 Series 1000 Operational Grade 1 certification exceeds industry standards for strength and security.
• Manufacturer Warranty: 10-year limited warranty with 2-year coverage on electrical components for long-term confidence and protection.

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 8200 Series mortise locks deliver professional-grade reliability with patented design construction tested to 16 million cycles for exceptional durability. The 10-year limited warranty with 2-year electrical component coverage provides added confidence for demanding commercial applications. Engineered with high-quality components and comprehensive certifications including UL 10C Fire-Rating up to 3 hours, this industry benchmark mortise lock ensures dependable performance where security and reliability are essential.