ABH A450HD Heavy-Duty Aluminum Continuous Gear Hinge Half Surface with 450 lb Capacity

ABH A450HD Heavy-Duty Aluminum Continuous Gear Hinge Half Surface with 450 lb Capacity

Professional Half Surface Continuous Hinge Solution

The ABH A450HD Heavy-Duty Aluminum Continuous Gear Hinge delivers professional-grade performance for commercial door applications requiring superior weight capacity and alignment control. This half surface design accommodates doors up to 48" width with a maximum weight capacity of 450 lbs, featuring a 9/32" door inset configuration. BHMA Grade 1 certified construction ensures reliable operation in demanding commercial environments, while fire ratings support both metal doors (90 minutes) and wood doors (60 minutes).

Professional Features & Benefits

• Heavy-Duty Weight Capacity: Supports doors up to 450 lbs with 48" maximum door width for versatile commercial applications.
• Precision Door Inset: 9/32" door inset provides optimal clearance and professional appearance in half surface installations.
• BHMA Grade 1 Certification: Meets BHMA 156.25 Grade 1 standards for superior durability and performance in commercial applications.
• Fire-Rated Construction: Approved for metal swinging fire doors up to 90 minutes and wood swinging fire doors up to 60 minutes.
• Continuous Weight Distribution: Full-length design eliminates door binding and sagging by evenly distributing weight throughout the entire door and frame.
• Enhanced Security Design: Eliminates gaps between door and frame to prevent prying attempts and unauthorized access.
• Surface Application: No mortising required for door or frame installation, simplifying installation and covering old butt hinge cut-outs.
• Professional Fastening System: Includes 12-24 X 3/4" undercut self drilling, thread-forming tek machine screws for frame and 1/4-20 sex bolts and shoulder bolts for door.

Technical Specifications

• BAA Qualified: Yes
• Commercial/Residential: Commercial
• Department: Door Hardware
• Door Weight: 450
• Fasteners: 12-24 X 3/4" undercut self drilling, thread forming tek machine screws
• Hinge Type: Half Surface
• Keyed: N/A
• Keyed Function: N/A
• PDF:A450HD Aluminum Continuous Gear Hinges Half Surface: https://zensupply.com/content/pdf/abh/0000140_a450_aluminum_geared_hinge_02.pdf
• PDF:Aluminum Continuous Geared Hinge Door Clearance Chart: https://zensupply.com/content/pdf/abh/0000383_aluminum_cont_geared_hinge_door_clearance_chart_squared_edged_pg6_rev.pdf
• PDF: A450HD & A460 Aluminum Continuous Gear Hinges Half Surface - Cut Sheet: https://zensupply.com/content/pdf/abh/0000199_a450_a460.pdf
• PDF: Aluminum Continuous Geared Hinge Cross Reference Chart: https://zensupply.com/content/pdf/abh/0000406_cross_reference.pdf
• PDF: BHMA GRADE 1: https://zensupply.com/content/pdf/abh/0002339_bhma_grade_1_for_hinges_compressed.pdf
• Product Category: Door Hinges and Pivots
• Product Group: Door Hinges and Pivots
• Product Model: A450HD
• Product Subgroup: Continuous Hinges
• Product Type: Continuous Hinges
• Series: A450HD Series
• Subcategory: Half Surface Model

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 ABH Quality?

ABH A450HD continuous gear hinges deliver professional-grade reliability with heavy-duty aluminum construction rated for 450 lb door capacity and BHMA Grade 1 certification. The anodized-after-machining process and templated hole patterns ensure consistent performance over time in demanding commercial applications. Engineered for superior weight distribution and security enhancement where dependable door operation is essential.