Accentra 4721LN Grade 1 Communicating Double Cylinder Lever Lock with Augusta Trim DesignProfessional-Grade Cylindrical Lock for Commercial ApplicationsThe Accentra 4721LN delivers Grade 1 performance with communicating double cylinder functionality and elegant Augusta lever design. This heavy-duty cylindrical lock features adjustable door thickness from 1-3/8″ to 1-3/4″, 2-3/4″ standard backset, and 1/2″ stainless steel latchbolt throw for reliable commercial operation. ANSI/BHMA Grade 1 certified and UL fire-rated up to 3 hours, ensuring code compliance and dependable security performance.Professional Features & BenefitsANSI/BHMA: A156.2, Series 4000 Grade 1UL-cUL: UL-cUL fire-rated up to 3 hoursWindstorm: 4700LN Certified (refer to local codes)Mechanism: Heavy-gauge steel, die-cast, zinc-plated, chromatedBackset: 2-3/4″ standardLatchbolt: 1/2″ stainless steel throw standardGuardbolt: Deadlocks latchbolt when door is closed; standard on all locking functionsDoor Thickness: 4700LN adjustable from 1-3/8″ to 1-3/4″. 4700 adjustable from 1-3/4″ to 2″Fronts: 2-1/4″ x 1-1/8″ beveled standard; flat fronts available to orderCylinders: Brass, 6-pin, keyed-random cylinder with two keys furnished standard, 7-pin not available.Reversibility: Non-handedStrikes: ANSI strike 4-7/8″ x 1-1/4″ x 1-1/4″ lip to center supplied standard. Optional T-strike available to order for 4700LN.Finishes: 4700LN available in 7 finishes, 4700 available in satin stainless steel (630) only.Warranty: 5-year mechanicalInstallation & OperationReview manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.Professional ApplicationsCommercial Office BuildingsEducational FacilitiesHealthcare InstitutionsRetail EstablishmentsIndustrial and Warehouse FacilitiesMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsWhy Choose Accentra Quality?Accentra 4700 Series lever locks deliver professional-grade reliability with heavy-gauge steel construction and Grade 1 certification for demanding commercial applications. Backed by a comprehensive 5-year mechanical warranty and UL fire-rating up to 3 hours, these locks provide the dependable performance and code compliance essential for commercial security installations.