Schlage Residential J40 Privacy Lock with Byron Knob – Non-Keyed Cylindrical LocksetResidential Privacy Lock SolutionThe Schlage Residential J40 Privacy Lock features the Byron knob design for bedroom and bathroom applications. This Grade 2 cylindrical lockset accommodates door thickness from 1-3/8″ to 1-3/4″ with dual backset options for 2-3/8″ or 2-3/4″ installations. The turn-button locking mechanism provides privacy control with interior release capability, while the dual option latch system offers flexible installation with both 1/4″ round faceplate and drive-in configurations.Professional Features & BenefitsDoor Compatibility: Fits door thickness from 1-3/8″ to 1-3/4″ with dual backset latches for 2-3/8″ or 2-3/4″ installations.Privacy Function: Turn-button locking mechanism allows privacy control from interior with outside turn mechanism access for emergency entry.Dual Option Latch System: 1″ x 2-1/4″ latch with both 1/4″ round faceplate and drive-in options for versatile installation requirements.Grade 2 Construction: ANSI/BHMA certified performance meets commercial-grade durability standards for residential applications.Easy Installation: Three-step installation process requires only a screwdriver for quick setup.Complete Hardware Package: Includes 16254 dual option latch and 10101 radius corner full lip strike for complete installation.Byron Knob Design: Classic knob styling complements traditional and contemporary residential dcor.Standard FeaturesCertification:ANSI/BHMA A156.2-2011 Commercial Grade 3Available option for UL Listed for 3 hour fire door (J10 and J54 functions onlyLatch: Dual Option: 1″ x 2-1/4″, 1/4″ round faceplate and drive-inTriple Option: 1″ x 2-1/4″, square corner and 1/4″ round faceplate, drive-in latch (J54)Strike: 1-5/8″ x 2-1/4″ radius corner, full lip, no boxBackset: Dual backset latches, fits either 2-3/8″ or 2-3/4″ backsetsCylinder: 5-Pin, C keyway, keyed alike (KA4)Door Range: 1-3/8″ 1-3/4″Keys: Two per lock, 5-pin, C sectionInstallation & 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 ApplicationsResidential Bedroom PrivacyBathroom Door SecurityHome Office PrivacyGuest Room ApplicationsMulti-Family Housing UnitsResidential Renovation ProjectsNew Construction ResidentialWhy Choose Schlage Residential Quality?Schlage Residential J Series locksets deliver reliable privacy control with Grade 2 ANSI/BHMA certified construction for lasting residential performance. The dual option latch system and easy three-step installation provide professional-grade functionality with homeowner-friendly setup. Engineered for dependable daily use in residential privacy applications where reliable operation is essential. Backed by Schlage’s Lifetime Limited Mechanical and Finish Warranty.