ABH A111HD/A111LL Aluminum Continuous Gear Hinges Full Mortise Heavy Duty BHMA Grade 1

ABH A111HD/A111LL Aluminum Continuous Gear Hinges Full Mortise Heavy Duty BHMA Grade 1

Professional Heavy-Duty Continuous Hinge Solution

The ABH A111HD/A111LL Aluminum Continuous Gear Hinges deliver professional-grade performance for commercial door applications requiring maximum durability and security. These BHMA Grade 1 certified hinges support up to 450 lbs door weight (1,000 lbs for LL model) with 48" maximum door width capacity. The full concealed design eliminates gaps between door and frame while the continuous construction prevents common alignment problems like door binding and sagging.

Professional Features & Benefits

• Heavy-Duty Weight Capacity: Supports up to 450 lbs door weight standard, with LL model rated for lead-lined doors up to 1,000 lbs for demanding applications.
• Maximum Door Width: Accommodates doors up to 48" width with full concealed mounting for enhanced security and aesthetics.
• BHMA Grade 1 Certification: BHMA 156.25 Grade 1 certified construction ensures commercial-grade reliability and performance standards.
• Fire Rating Compliance: Approved for metal swinging fire doors up to 90 minutes and wood swinging fire doors up to 60 minutes.
• Precision Bearing System: Heavy duty 83" hinge features 32 bearings with 3" spacing on center for smooth, long-lasting operation.
• Surface Mount Installation: No mortising of door or frame required - surface applied design covers old butt hinge cut-outs.
• Enhanced Security Design: Continuous construction eliminates gaps between door and frame, preventing prying attempts.
• Standard Length Options: Available in 79", 83", 85", 95" and 120" lengths with templated hole patterns for consistent installation.

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: Full Mortise
• Keyed: N/A
• Keyed Function: N/A
• Product Category: Door Hinges and Pivots
• Product Group: Door Hinges and Pivots
• Product Model: A111HD/A111LL
• Product Subgroup: Continuous Hinges
• Product Type: Continuous Hinges
• Subcategory: Full Mortise Hinges

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 continuous gear hinges deliver professional-grade reliability with anodized aluminum construction and precision bearing systems rated for heavy-duty commercial use. BHMA Grade 1 certification and fire rating approvals ensure code compliance and dependable performance. Engineered for demanding commercial applications where security, durability, and smooth operation are essential.