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Sargent 28-65G05 KL Office Entrance Function Cylindrical Lockset
Function Information:
The Sargent 28-65G05 KL is a professional-grade Grade 2 Cylindrical Lockset designed to provide flexible security for commercial offices, retail spaces, and multi-family housing. As a key component of the Sargent 6500 Series, this lockset is engineered to exceed the rigorous demands of ANSI/BHMA standards, offering a "standard duty" solution that performs with "heavy duty" reliability. The 28-prefix specifies the inclusion of a 4-7/8" ANSI Strike (#808), the industry standard for commercial hollow metal frames, while the KL design pairs the ergonomic L-lever with the architectural K-rose for a modern, linear aesthetic.
Balanced Security and Convenience
The 05 Office / Entrance Function (ANSI F109) is one of the most versatile configurations in commercial hardware, offering two distinct locking modes to suit the daily flow of your facility.
- Push-Button Locking: Pressing the button on the interior lever locks the exterior lever. It is quickly released by turning the inside lever or using a key from the outside—ideal for preventing accidental lockouts.
- Turn-Button Security: Rotating the interior button keeps the exterior lever locked even when the door is closed or the interior lever is turned. This mode requires a manual turn-button release, perfect for maintaining a secure "restricted" state for extended periods.
- Deadlocking Protection: Features a deadlocking latchbolt that prevents "shimming" or unauthorized manipulation when the door is closed.
- Universal Handing: The non-handed design allows for seamless field installation on both left-hand and right-hand swinging doors without adjustment.
Engineered for Institutional Performance
While positioned as a Grade 2 lock, the Sargent 6500 Series is built with structural enhancements that allow it to excel in environments where lesser hardware fails.
- Exceeds Grade 2 Requirements: Tested beyond the 400,000-cycle industry standard to ensure a longer life cycle in medium-traffic offices and public buildings.
- Hurricane & Windstorm Rated: Certified to comply with strict Florida Building Codes (FL# 2998) and TAS standards, proving its structural integrity under extreme pressure.
- Corrosion Resistance: The cylindrical housing is constructed of steel with a zinc dichromate finish to protect internal mechanisms from environmental wear.
- ADA Compliant Design: The linear L-lever provides an ergonomic grip that allows for operation without tight grasping or twisting, meeting all Americans with Disabilities Act accessibility standards.
Technical Specifications
| Feature | Details |
| Series | Sargent 6500 Series |
| Function | 05 Office / Entrance (ANSI F109 / F81) |
| Certification | ANSI/BHMA A156.2 Series 4000 - Grade 2 |
| Lever / Rose Style | KL Design (L-Lever / K-Rose) |
| Cylinder / Keyway | 6-Pin Brass, Sargent LA Keyway (Standard) |
| Standard Strike | #808 ANSI Curved Lip Strike (4-7/8" x 1-1/4") |
| Backset | 2-3/4" (Industry standard for commercial doors) |
| Door Thickness | Adjustable for 1-3/8" to 1-3/4" thick doors |
| Latchbolt | 1/2" Throw Stainless Steel, Deadlocking |
| Fire Rating | UL/cUL Listed for up to 3-Hour Fire Doors |
Why Choose the Sargent 28-65G05 KL?
For contractors and facility managers, the Sargent 28-65G05 KL represents a high-value investment that avoids the premium cost of Grade 1 hardware while significantly outperforming residential-grade alternatives. It provides the professional look of a linear lever with the mechanical strength required for 24/7 commercial use.
Ideal Applications:
- Commercial Office Suites: Manage employee access with flexible push/turn button logic.
- Retail Back Offices: Protect inventory and sensitive records with keyed entry.
- Apartment & Hotel Entrances: Reliable, fire-rated security for high-occupancy living.
- Government & Public Buildings: Durable enough for medium-traffic public-facing doors.
| Finish with BHMA code | 626 - US26D Satin Chrome or 605 - US3 Polish Brass or 606 - US4 Satin Brass or 640 - US10B Oil Rubbed Bronze |
| Backset | 2-3/4" Backset or 2-3/8" Backset |
| Sargent Cylinder Options | KD - LA Kwy Keyed Different or SC - Schlage C Kwy 0 Bitted or LC - Less Sgt Cylinder |
| Brand | Sargent |
| ANSI Cyl Lock Function | F81 - Office Entrance |
| Trim Design | KL |
| Series | Sargent - 6500 Series |
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