Hager WT1279 3-1/2" x 6" Full Mortise Plain Bearing Wide Throw Hinge with 5 Knuckles

Hager WT1279 3-1/2" x 6" Full Mortise Plain Bearing Wide Throw Hinge with 5 Knuckles

Commercial-Grade Full Mortise Hinge Solution

The Hager WT1279 is a professional-grade full mortise hinge designed for medium weight doors requiring medium frequency service. This 3-1/2" x 6" hinge features plain bearing construction with wide throw design and 5-knuckle configuration. Manufactured from steel with steel pin construction and certified to ANSI A8133 standards for reliable commercial door applications.

Professional Features & Benefits

• Optimal Door Compatibility: 3-1/2" x 6" dimensions designed for medium weight doors in commercial applications requiring medium frequency service.
• Full Mortise Installation: Both leaves mortise into door and frame for clean, professional appearance and maximum strength in wood or hollow metal door applications.
• Plain Bearing Operation: Reliable plain bearing design provides smooth operation for standard duty applications without the complexity of ball bearings.
• Wide Throw Design: Wide throw configuration allows doors to open fully without interference, ideal for applications requiring maximum clearance.
• 5-Knuckle Construction: Five knuckle design distributes load evenly across the hinge for enhanced durability and smooth operation.
• Heavy-Duty Materials: Steel construction with steel pin provides exceptional strength and longevity for demanding commercial environments.
• ANSI Certified Quality: ANSI A8133 certification ensures compliance with industry standards for commercial door hardware applications.
• Removable Pin Design: Non-rising removable pin with button tip and plug allows for easy door removal when necessary for maintenance or replacement.

Technical Specifications

• ANSI/BHMA: ANSIA8133
• Applications: For use on medium weight doors or doors requiring medium frequency service.; For door closer use ball bearing hinge.
• Bearing Type: Plain Bearing
• Box Quantity: 3
• Case Quantity: 24
• Commercial/Residential: Commercial
• Duty Level: Medium Duty
• Electronic: No
• Features: Full Mortise, Plain Bearing, Wide Throw
• Knuckles: 5
• Subcategory: Full Mortise Hinges

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware 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.
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 Hager Quality?

Hager hinges are manufactured in accordance with ANSI/BHMA A156.1 standards, ensuring professional-grade reliability with steel construction and ANSI A8133 certification. As the industry's premiere designer and manufacturer of architectural hinges, Hager offers one of the widest varieties of sizes, shapes, and finishes that meet or exceed ANSI standards. Engineered for demanding commercial applications where dependable performance and code compliance are essential.

Support Resources

• Commercial Hinges Catalog 2024 (PDF)
• Standard Hinge Locations Guide (PDF)
• Commercial Hinges Cross Reference (PDF)
• Concealed Electric Hinge Modification (PDF)
• Electric Hinge Installation Instructions (PDF)
• Size Options (PDF)