Hager 790-903 Half Surface Continuous Hinge with 1/8" Inset - 304 Stainless Steel

Hager 790-903 Half Surface Continuous Hinge with 1/8" Inset - 304 Stainless Steel

Professional Grade Continuous Hinge for Commercial Door Applications

The Hager 790-903 Half Surface Continuous Hinge delivers professional-grade performance with 1/8" inset design for doors of any material. Constructed from 14 gauge (0.075") Type 304 stainless steel, this hinge accommodates doors up to 300 lbs and 1-3/4" thickness with maximum door length of 10'-0". ANSI A156.26 Grade 1 certified for 150-pound doors and UL listed with fire ratings up to 3 hours for metal doors and 90 minutes for wood composite doors.

Professional Features & Benefits

• Heavy-Duty Construction: 14 gauge (0.075") Type 304 stainless steel construction provides exceptional durability and corrosion resistance for demanding commercial applications.
• Maximum Load Capacity: Supports doors up to 300 lbs with maximum thickness of 1-3/4" and door length up to 10'-0" for versatile installation options.
• Precision Inset Design: 1/8" inset configuration with 1/8" minimum hinge side clearance plus standard lockside clearance for proper door alignment.
• Advanced Bearing System: Dual 6/6 nylon bearings between each knuckle with 1/4" (6.3 mm) diameter stainless steel pin ensure smooth, long-lasting operation.
• Fire Rating Compliance: UL listed with fire ratings up to 3 hours for metal doors and 90 minutes for wood composite doors for code compliance applications.
• ANSI Grade 1 Certification: ANSI A156.26 Grade 1 certified for 150-pound doors and Grade 2 for 300-pound doors ensuring professional performance standards.
• Flexible Length Options: Available in standard lengths of 79", 83", 85", 95", and 119" with custom length options available for specific applications.
• Optional Enhancements: Available with sheared leaf, raised barrel (SWAGED), wide throw, security studs, and Dutch door prep (DUTCH) for specialized requirements.

Technical Specifications

• Certifications: ANSI A156.26 Grade 1 for 150-pound doors, UL
• Clearance: 1/8" minimum hinge side plus standard lockside clearance
• Commercial/Residential: Commercial
• Door Reinforcement: Wood - None required up to 200 lbs. For metal doors, a 1/8" (3 mm) thick reinforcement plate is recommended along the hinge edge for proper thread engagement of the adjustment studs.
• Electric Modifications: Power Transfer Preparation (EPT 2) or (EPT 10)
• Fastener Size: #10-24 x 5/8" S/SDril-Kwik® (metal frame), #1/4-20 x 3/4" 2CDril-Kwik® (metal door), #1/4-14 x 1" 2CType AB (wood door)
• Finishes: US32D
• Fire Rating: Up to 3 hr. metal and 90 min. wood composite
• Length: 79", 83", 85", 95", 119"
• Length Options: Standard and Custom
• Material: 14 Ga. (0.075") Type 304 Stainless Steel
• Maximum Door Length: 10'-0"
• Maximum Door Thickness: 1-3/4"
• Maximum Door Weight: 300 lbs
• Notes: Any nonstandard length hinge may require a custom hole pattern based on the requested length. Consult Hager Companies to address the field prep for the doors and frames.
• Optional Features: Sheared leaf, Raised Barrel (SWAGED), Wide Throw, Security Studs, Dutch Door Prep (DUTCH)
• Options: Optional sex bolts available (specify when ordering)
• Special Features: 1/4" (6.3 mm) diameter Stainless Steel Pin. Dual 6/6 Nylon bearings between each knuckle. Security molding, 1/8" (3.2 mm) inset.
• Subcategory: Continuous Geared Hinges

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness up to 1-3/4", maximum weight of 300 lbs, and maximum door length of 10'-0".
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces, ensuring proper 1/8" inset alignment.
3. Prepare door and frame by drilling required holes using specified fasteners: #10-24 x 5/8" S/S Dril-Kwik for metal frame, #1/4-20 x 3/4" 2C Dril-Kwik for metal door, or #1/4-14 x 1" 2C Type AB for wood door.
4. Install reinforcement as needed: no reinforcement required for wood doors up to 200 lbs, 1/8" (3 mm) thick reinforcement plate recommended for metal doors along hinge edge, and 16-gauge channel for frame applications over 200 lbs.
5. Mount the continuous hinge ensuring proper thread engagement of adjustment studs and verify 1/8" minimum hinge side clearance plus standard lockside clearance.
6. Test hinge operation throughout the full range of motion to verify smooth operation of dual 6/6 nylon bearings and proper door alignment. Refer to manufacturer documentation for complete installation details and custom length considerations.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Industrial and Warehouse Facilities
• Government and Municipal Buildings
• Fire-Rated Door Applications
• Heavy-Duty Commercial Entrances

Why Choose Hager Quality?

Hager continuous hinges deliver professional-grade reliability with 14 gauge Type 304 stainless steel construction rated for doors up to 300 lbs. ANSI A156.26 Grade 1 certification and UL fire rating approval up to 3 hours demonstrate proven performance standards. Engineered for demanding commercial applications where dependable operation and code compliance are essential.

Support Resources

• Roton 780-111/112/226/235 Installation Instructions (PDF)
• Roton Electric Hinge Installation Instructions (PDF)
• Commercial Hinges Catalog 2024 (PDF)