Sargent 6500 Series Grade 2 Cylindrical Lock with 1-3/8" to 1-3/4" Door CompatibilityProfessional Standard Duty Cylindrical Lock SolutionThe Sargent 6500 Series cylindrical lock delivers professional-grade security with Grade 2 performance standards for commercial applications. This non-handed lock accommodates door thickness from 1-3/8" to 1-3/4" with standard 2-3/4" backset and 1/2" latchbolt throw. Engineered to exceed ANSI/BHMA Grade 2 standards with rugged construction that passes hurricane code requirements and Florida Building Code compliance.Professional Features & Benefits Door Compatibility: Accommodates door thickness from 1-3/8" to 1-3/4" with backset options from 2-3/8" to 2-3/4" for versatile installation requirements. Grade 2 Performance: Exceeds ANSI/BHMA Grade 2 standards with 1/2" latchbolt throw and T-Strike curved lip configuration for reliable security performance. Non-Handed Design: Universal installation eliminates field determination requirements and reduces inventory needs for efficient project management. Hurricane Code Compliance: Rugged construction passes tests to comply with hurricane codes and Florida Building Code requirements for enhanced occupant safety. Key System Compatibility: Compatible with most SARGENT key systems including Degree, Signature, and XC for integrated access control. Easy Installation: Fits modified 161 door preps for straightforward installation with standard door preparation requirements. Multiple Function Options: Available in 8 functions and 8 finishes to match existing facility aesthetics and operational requirements. Comprehensive Certifications: UL-cUL Fire-Rated up to 3 hours with ADA compliance and multiple ASTM certifications for code compliance assurance.Technical Specifications Refer to manufacturer documentation for complete technical specifications.Installation & Operation Review manufacturer specifications and verify door preparation requirements including door thickness from 1-3/8" to 1-3/4", backset from 2-3/8" to 2-3/4", and modified 161 door prep compatibility. Use manufacturer-provided templates to mark mounting hole locations accurately on door surfaces for proper alignment. Prepare door by drilling required holes per manufacturer specifications ensuring proper clearances for lock mechanism operation. Install all mounting hardware and secure the cylindrical lock to door per manufacturer torque specifications with T-Strike curved lip configuration. Adjust latchbolt operation for proper 1/2" throw and smooth engagement with strike plate throughout full door operation cycle. Test lock operation to verify proper function including key operation, lever action, and latchbolt engagement. 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 BuildingsWhy Choose Sargent Quality?Sargent 6500 Series cylindrical locks deliver professional-grade reliability with rugged construction that exceeds ANSI/BHMA Grade 2 standards and passes hurricane code compliance testing. Comprehensive certifications including UL-cUL Fire-Rating up to 3 hours, ADA compliance, and multiple ASTM standards ensure code compliance confidence. Engineered for demanding commercial applications where dependable security performance and easy installation are essential.