BEST 7KC Series Exit Function Grade 2 Medium Duty Cylindrical Lever Lock

BEST 7KC Series Exit Function Grade 2 Medium Duty Cylindrical Lever Lock

Professional Grade 2 Cylindrical Lock Solution

The BEST 7KC Series cylindrical lever lock delivers professional-grade security and durability for commercial applications requiring exit function operation. This Grade 2 medium duty lock features a 2 1/8" diameter bore mounting system with backset options of 2 3/8", 2 3/4", 3 3/4", or 5" to accommodate various door preparations. Built with corrosion-treated internal steel mechanisms and zinc dichromate components, this lock exceeds ANSI Grade 2 requirements while providing reliable performance for moderate traffic applications.

Professional Features & Benefits

• Multiple Backset Options: Available in 2 3/8", 2 3/4", 3 3/4", and 5" configurations to fit various door preparations and installation requirements.
• Grade 2 ANSI Compliance: Exceeds ANSI Grade 2 requirements and meets BHMA A156.2 Series 4000 Grade 2 standards for commercial applications.
• Heavy-Duty Construction: Through-bolt mounting studs provide increased torque resistance while internal steel mechanisms feature corrosion treatment for long-term durability.
• Enhanced Security Features: No exposed keeper hole on keyed levers and removable keyed lever only after core removal provide increased security against tampering.
• Quick Rekeying System: BEST interchangeable core system allows for efficient key management and rekeying without lock replacement.
• ADA Compliant Design: Meets ANSI A117.1 section 404.2.6 and Illinois Accessibility Standard 400.310 requirements for accessible door hardware.
• Fire Rating Certification: UL listed for use on 3-hour A label single doors up to 4' x 8' for fire-rated applications.
• Reversible Operation: Lockset reversible for either hand of door without removing keyed lever for installation flexibility.

Technical Specifications

• Commercial/Residential: Commercial
• Department: Door Hardware
• Door Hand Direction: Non-Handed
• Duty Level: Medium Duty
• Electronic: No
• Grade: Grade 2
• Handle Type: Lever
• Keyed: Yes
• Keyed Function: Non-Keyed
• Product Attribute: Cylindrical Locks
• Product Category: Mechanical Locks
• Product Function: Exit
• Product Group: Mechanical Locks
• Product Subgroup: Bored Locksets
• Product Substrate: Corrosion-Treated Metals
• Product Type: Leversets
• Series: 7KC Series
• Subcategory: Bored Locksets

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including 2 1/8" diameter bore for lock housing, 1" diameter for latch tube, and door thickness between 1 3/8" to 2".
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for the selected backset configuration.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for cylindrical chassis installation.
4. Install all mounting hardware including through-bolt mounting studs 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 including lever return function.
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 BEST Quality?

BEST 7KC Series cylindrical locks deliver professional-grade reliability with corrosion-treated internal steel mechanisms and through-bolt mounting construction designed to exceed ANSI Grade 2 requirements. UL listed for 3-hour fire rating applications and BHMA certified for commercial use, this lock provides dependable performance for demanding applications. Engineered for moderate traffic commercial applications where reliable exit function operation and security are essential.