Norton Rixson 5 Series Checkmate Standard Duty Concealed Door Stop and Holder with 110 OpeningProfessional Concealed Door Control SolutionThe Norton Rixson 5 Series Checkmate is a concealed stop and holder engineered for moderate traffic, medium-weight interior doors with standard duty construction. This professional door control device features a slide track arm design with maximum 110 opening capability and accommodates standard 1-3/4″ door thickness. ANSI/BHMA A156.8 Grade 1 certified models provide reliable hold open and stop functions for commercial applications.Professional Features & BenefitsMaximum Opening Range: 110 opening capability provides optimal door positioning for various interior applications.Standard Door Compatibility: Designed for 1-3/4″ standard door thickness with single or double acting door configurations.Heavy-Duty Shock Absorption: Heavy shock absorber spring provides 5-7 degrees compression before dead stop for smooth operation and door protection.Concealed Installation: Concealed mounting design maintains clean door aesthetics while providing reliable stop and holder functionality.Durable Construction: Features durable slider cam and shock block with 3/4″ square channel for long-term reliability in moderate traffic applications.Grade 1 Certification: Certain models meet ANSI/BHMA A156.8 Grade 1 standards with UL listed stop functions for code compliance.Complete Installation Package: Includes complete screw packet for wood installation and machine screws for door and frame mounting.Security Hardware Options: Torx screws available for exposed fasteners in high security areas for enhanced tamper resistance.Manufacturer Warranty: 2-year limited warranty provides added confidence and protection for commercial installations.Technical SpecificationsANSI/BHMA: Certain Models ANSI/BHMA A156.8, Grade 1 CertifiedArm Specification: Slide TrackCommercial/Residential: CommercialDepartment: Door HardwareDoor Swing: Single or Double ActingDuty Level: Standard DutyFasteners: Torx Screws OptionalGrade: Grade 1Hold Open Feature: YesMounting Method: ConcealedProduct Category: Door ControlsProduct Group: Door ControlsProduct Subgroup: Overhead Stops and HoldersProduct Type: Overhead Stops and Holders – Concealed MountSeries: 5 SeriesSubcategory: ConcealedWarranty: 2 Year LimitedInstallation & 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 frame surfaces. Note that degree of opening is determined by templating and is not field adjustable.Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for concealed mounting.Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications using provided wood screws or machine screws as appropriate.Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion up to 110 maximum opening.Test device operation to verify proper hold open and stop functions, confirming 5-7 degrees compression before dead stop. Refer to manufacturer documentation for complete installation details and troubleshooting.Professional ApplicationsCommercial Office BuildingsEducational FacilitiesHealthcare InstitutionsRetail EstablishmentsMulti-Tenant Residential PropertiesGovernment and Municipal BuildingsInterior Door Control SystemsWhy Choose Norton Rixson Quality?Norton Rixson 5 Series Checkmate door stops deliver professional-grade reliability with standard duty construction rated for moderate traffic applications. ANSI/BHMA A156.8 Grade 1 certification and UL listed stop functions ensure code compliance, while the 2-year limited warranty provides added protection. Engineered for demanding commercial applications where dependable concealed door control is essential.