Hager 1750 Full Mortise Spring Hinge with Fasteners - Square Corners, Grade 1 BHMA

Hager 1750 Full Mortise Spring Hinge with Fasteners - Square Corners, Grade 1 BHMA

Professional Spring Hinge Solution for Automatic Door Closing

The Hager 1750 Full Mortise Spring Hinge delivers reliable automatic door closing functionality with Grade 1 BHMA certification for residential applications. Available in 3-1/2" x 3-1/2" and 4" x 4" sizes, this steel construction spring hinge supports door weights from 45-75 lbs with 0.097 gauge material thickness. ANSI A156.17 compliant design ensures professional performance with included fasteners for complete installation.

Professional Features & Benefits

• Door Weight Capacity: Engineered to support 45-75 lbs maximum door weight for reliable operation across various door types.
• Grade 1 BHMA Certification: Meets ANSI A156.17 Grade 1 standards ensuring superior durability and performance for demanding applications.
• Dual Size Options: Available in 3-1/2" x 3-1/2" and 4" x 4" configurations to accommodate different door and frame requirements.
• Heavy-Duty Steel Construction: 0.097 gauge steel material provides exceptional strength and longevity for consistent spring tension performance.
• Reversible Design: Field-reversible configuration allows installation on left or right-hand doors for maximum versatility.
• Complete Installation Package: Includes appropriate fasteners with machine screws (4" - 1 X 9) and wood screws (3-1/2" - 3/4 X 9) for immediate installation.
• Template Hole Pattern: Standardized mounting pattern simplifies installation and ensures proper alignment with door and frame preparation.
• Removable Pin Design: Allows for easy hinge removal and door service without disturbing the frame-mounted hinge leaf.

Technical Specifications

• ANSI/BHMA: BHMA, ANSI A156.17, Grade 1
• Bearing Type: Spring Hinge
• Box Quantity: 2 each
• Case Quantity: 80 each
• Certifications: Conforms to BHMA, ANSI A156.17, Grade 1
• Commercial/Residential: Residential
• Fastener Size - Machine: 4" - 1 X9
• Fastener Size - Wood: 3-1/2" - 3/4 X9
• Features: Reversible. Round corners 1/4" (6 mm) radius. Removable pin. Template hole pattern.
• Finishes: 3-1/2" - 10R, US15, 1D, US26, US26D, US3, USP
• Gauge: 0.097
• Knuckles: 3
• Material: Steel
• Maximum Door Weight: 45-75 lbs.
• Notes: For maximum versatility use all spring hinges or a combination of spring hinges and ball bearing hinges. Do not use plain bearing hinges.
• Packaging: 2 pack with screws
• Size: 3-1/2" X3-1/2"
• Subcategory: Full Mortise Hinges

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness and weight compatibility with the 45-75 lb capacity range.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for proper hinge mortise preparation.
3. Prepare door and frame by routing mortise pockets and drilling required holes per template specifications for full mortise installation.
4. Install frame leaf first using appropriate fasteners, then mount door leaf ensuring proper alignment and clearance throughout swing range.
5. Adjust spring tension as needed for proper door closing force, noting that full spring tension may not be required on all hinges in multi-hinge installations.
6. Test door operation to verify smooth swing and consistent closing action. Refer to manufacturer documentation for complete installation details and spring tension adjustment procedures.

Professional Applications

• Residential Entry Doors
• Interior Passage Doors
• Utility and Service Doors
• Basement and Garage Access Doors
• Storm Door Applications
• Light Commercial Interior Doors
• Multi-Family Housing Units

Why Choose Hager Quality?

Hager 1750 spring hinges deliver professional-grade reliability with heavy-duty steel construction rated for 45-75 lb door weights and Grade 1 BHMA certification. The 0.097 gauge steel material and ANSI A156.17 compliance ensure consistent spring performance and long-term durability. Engineered for residential applications where dependable automatic door closing is essential for energy efficiency and security.

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)