BEST 7KC Series Classroom Function Single Cylinder Grade 2 Lever Lock with SFIC CoreProfessional Medium-Duty Cylindrical Lock SolutionThe BEST 7KC Series cylindrical lever lock delivers Grade 2 performance for classroom applications with single cylinder operation and SFIC (Small Format Interchangeable Core) compatibility. Designed for 2 1/8″ diameter bore preparation with backset options of 2 3/8″, 2 3/4″, 3 3/4″, or 5″, this lock accommodates door thickness from 1 3/8″ to 2″. Features include through-bolt mounting studs for enhanced torque resistance, 1/2″ throw deadlocking latch, and zinc dichromate steel internal components with corrosion treatment for reliable performance.Professional Features & BenefitsGrade 2 ANSI Performance: Exceeds ANSI Grade 2 requirements with BHMA A156.2 Series 4000 listing for reliable medium-duty applications.Flexible Backset Options: Available in 2 3/8″, 2 3/4″, 3 3/4″, and 5″ backsets to accommodate various door preparations and architectural requirements.Enhanced Security Design: No exposed keeper hole on keyed levers and removable keyed lever only after core removal for increased tamper resistance.SFIC Core Compatibility: 7-pin solid brass interchangeable core enables quick rekeying and integration with BEST keying systems.Reinforced Construction: Through-bolt mounting studs provide superior torque resistance while hub torque spring prevents lever sag over time.ADA Compliant Operation: Meets ANSI A117.1 section 404.2.6 and Illinois Accessibility Standard requirements for accessible door hardware.Fire Rating Certification: UL listed for 3-hour A label applications on single doors up to 4 x 8 for life safety compliance.Corrosion-Resistant Materials: Internal steel mechanisms feature corrosion treatment for normal atmospheric conditions ensuring long-term reliability.Technical SpecificationsCommercial/Residential: CommercialDepartment: Door HardwareDoor Hand Direction: Non-HandedDuty Level: Medium DutyElectronic: NoGrade: Grade 2Handle Type: LeverKeyed: YesKeyed Function: Single CylinderProduct Attribute: Cylindrical LocksProduct Category: Mechanical LocksProduct Function: ClassroomProduct Group: Mechanical LocksProduct Subgroup: Bored LocksetsProduct Substrate: Corrosion-Treated MetalsProduct Type: LeversetsSeries: 7KC SeriesSubcategory: Bored LocksetsInstallation & OperationReview 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″.Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for selected backset configuration.Prepare door by drilling required 2 1/8″ bore and routing latch preparation according to manufacturer specifications for chosen backset option.Install through-bolt mounting studs and secure the cylindrical lock assembly to door per manufacturer torque specifications.Adjust lever operation and latch alignment for proper engagement with strike plate and smooth operation throughout full range of motion.Test lock operation including key function, lever return, and deadlocking latch engagement to verify proper installation and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.Professional ApplicationsEducational Facility ClassroomsCommercial Office BuildingsHealthcare Institution Patient AreasMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsRetail Back-of-House AreasIndustrial Administrative OfficesWhy Choose BEST Quality?BEST 7KC Series lever locks deliver professional-grade reliability with corrosion-treated internal steel mechanisms and Grade 2 performance exceeding ANSI requirements. UL listed for 3-hour fire rating applications and BHMA certified for Series 4000 Grade 2 standards, these locks provide dependable security for demanding commercial environments. Engineered for medium-duty applications where consistent classroom function and quick rekeying capabilities are essential.