Sargent F1-4264 UL Listed Rim Cylinder with Break-Off Screws

Sargent KESO F1-4264 UL Listed Rim Cylinder with Break-Off Screws

Professional UL437 Listed Security Cylinder

The Sargent KESO F1-4264 UL Listed Rim Cylinder delivers enhanced security with UL437 certification for commercial applications requiring superior pick and drill resistance. This professional-grade cylinder features the same basic construction as standard SARGENT KESO F1 Security System cylinders with additional hardened steel pins and break-off screws positioned above horizontal centerline for use with SARGENT exit devices.

Professional Features & Benefits

• UL437 Listed Security: Listed in Underwriters Laboratories Burglary Protection Equipment List under locking cylinders (241 012) for verified security performance.
• Enhanced Pick Resistance: Cylinder resists aligning tumblers and opening by picking tools for at least ten minutes per UL performance standards.
• Drill Resistant Construction: Additional hardened steel pins resist drilling the plug or body of the cylinder and releasing tumblers.
• Break-Off Screw Design: Furnished with break-off screws and back plate positioned above horizontal centerline, same as standard No 64 cylinder configuration.
• Exit Device Compatibility: Specifically designed for use with SARGENT exit devices for integrated security solutions.
• Multiple Finish Options: Available in 03, 04, 09, 10, 10B, 10BE, 10BL, 14, 15, 20D, 32, 32D, BSP, WSP finishes to match existing hardware.
• Forced Entry Protection: Resists opening by forcing cold chisel or screwdriver into key slot and applying rotary force with pliers or wrench.
• Professional Key System Integration: Can be keyed into total KESO F1 system when requirement is established at system setup, though compatibility consultation with SARGENT Key Records Department is recommended.

Technical Specifications

• Refer to manufacturer documentation for complete 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

Break-Away Protection Design

The F1-4264 features break-off screws positioned above the horizontal centerline, matching standard No 64 cylinder configuration. This design provides tamper resistance while maintaining compatibility with SARGENT exit device installations for reliable security performance.

Why Choose Sargent Quality?

Sargent KESO F1 cylinders deliver professional-grade security with UL437 Listed construction featuring additional hardened steel pins for enhanced pick and drill resistance. The cylinder meets rigorous UL performance standards requiring at least ten minutes resistance to picking, drilling, and forced entry attempts. Engineered for demanding commercial applications where dependable high-security performance is essential.

Product Documentation & Resources

• [Catalog] SARGENT Full Line Catalog
• [Catalog] SARGENT Keso F1 Key System Catalog