ABH A570HD Heavy-Duty Aluminum Continuous Gear Hinge — Full Surface, 450 lb Capacity
The ABH A570HD Aluminum Continuous Gear Hinge delivers heavy-duty performance for demanding commercial applications with a 450 lb maximum door weight capacity and 48" maximum door width. This BHMA Grade 1 full-surface hinge features a narrow frame leaf design with 1/16" door inset, making it ideal for narrow-faced frame applications where full-length geared support is essential. Built with commercial-grade aluminum construction and fire door approvals for both metal and wood doors, the A570HD provides smooth operation and long service life in high-traffic institutional environments. BAA Qualified for federally funded projects.
Key Features & Benefits
- Heavy-Duty Load Capacity: Supports up to 450 lb maximum door weight with 48" maximum door width for large commercial door applications.
- BHMA Grade 1 Performance: Meets the highest commercial standards for durability and operational reliability in demanding environments.
- Narrow Frame Compatibility: 1/16" door inset with narrow frame leaf profile designed for narrow-faced frame installations.
- Fire Door Approved: Certified for metal swinging fire doors up to 90 minutes and wood swinging fire doors up to 60 minutes, with optional FR rating extensions.
- BAA Qualified: Compliant with the Buy American Act for government and federally funded projects.
- Commercial-Grade Aluminum Construction: Continuous geared design reduces hinge wear, door sag, and frame stress for extended service life.
- Complete Fastener Package: Includes 12-24 X 3/4" undercut self-drilling, thread-forming tek machine screws for frame; 1/4-20 sex bolts and shoulder bolts for door installation.
- Multiple Length Options: Available in 79", 83", 85", 95", and 120" standard lengths; custom sizes available.
- Finish Options: Clear Anodized, Dark Bronze Anodized, and Black Anodized for architectural coordination.
Technical Specifications
- Hinge Type: Full Surface
- Maximum Door Weight: 450 lb
- Maximum Door Width: 48"
- Door Inset: 1/16"
- Fasteners (Frame): 12-24 X 3/4" undercut self-drilling, thread-forming tek machine screws
- Fasteners (Door): 1/4-20 sex bolts and shoulder bolts
- Grade: BHMA Grade 1
- Fire Rating: Metal doors up to 90 min; wood doors up to 60 min
- BAA Qualified: Yes
- Application: Commercial
- Available Lengths: 79", 83", 85", 95", 120"
- Available Finishes: Clear Anodized (C), Dark Bronze Anodized (D), Black Anodized (B)
Typical Applications
- Educational Facilities and Schools
- Healthcare Institutions and Hospitals
- Commercial Office Buildings
- Institutional and Government Facilities
- High-Traffic Commercial Entrances
- Fire-Rated Door Assemblies
- Heavy Commercial and Storefront Door Installations
Why ABH A570HD?
The A570HD combines 450 lb load capacity, BHMA Grade 1 certification, fire-door approvals for metal and wood assemblies, and BAA compliance in a single full-surface continuous gear hinge. Engineered for the installations where dependable performance and long service life are non-negotiable — schools, hospitals, government buildings, and high-traffic commercial entrances.
Manufacturer Resources
Product Specs
- Product Group:
- Door Hinges and Pivots
- Door Weight:
- 450
- Fasteners:
- 12-24 X 3/4" undercut self drilling, thread forming tek machine screws
- Product Subgroup:
- Continuous Hinges
- Product Type:
- Continuous Hinges
- Subcategory:
- Full Surface Hinges
- Commercial/Residential:
- Commercial
- Hinge Type:
- Full Surface
- Keyed:
- N/A
- Keyed Function:
- N/A
- BAA Qualified:
- Yes
- Product Model:
- A570HD
- Product Category:
- Door Hinges and Pivots
- Department:
- Door Hardware