ABH A110HD / A110LL Aluminum Continuous Gear Hinges Full Mortise

ABH A110HD / A110LL Aluminum Continuous Gear Hinges Full Mortise

The ABH A110HD Continuous Hinge is a BHMA Grade 1, full-concealed, heavy-duty hinge designed for maximum durability and alignment performance. Also known as the A110HD hinge or A110HD continuous hinge, this model provides exceptional support and long-term reliability for demanding commercial and institutional door applications.

Models:

• A110HD – No Inset, Flush Mount (Standard)
• A110LL – No Inset, For Lead-Lined Doors (Staggered hole pattern for doors up to 1,000 lbs.)

Specifications:

• No door inset, flush mount design

• Supports up to 48" door width

• Door weight capacity: 450 lbs (A110HD), up to 1,000 lbs (A110LL)

• Average weight per unit: 11 lbs

• Fire Rated: Up to 90 minutes for metal doors, 60 minutes for wood doors

Standard Lengths:
79", 83", 85", 95", and 120"

Fasteners Included:
12-24 x 3/4" undercut self-drilling, thread-forming TEK machine screws

Standard Features:

• The A110HD continuous hinge evenly distributes weight across the door and frame, eliminating common problems like binding and sagging

• Increases security by removing the pry gap between the door and the frame

• Surface-applied—no door or frame mortising required

• Anodized after machining for optimal finish quality

• Covers old butt hinge cutouts, simplifying retrofits

• Heavy-duty construction with 32 bearings on 83” hinges (3” spacing)

• BHMA 156.25 Grade 1 Certified

• Templated hole patterns ensure consistent installation across standard lengths

• Standard finishes: Clear anodized, dark bronze anodized, and black anodized

• No reinforcement needed for doors up to 200 lbs; 16-gauge channel recommended for heavier doors

Whether you refer to it as the ABH A110HD, A110HD hinge, or A110HD continuous hinge, this model is the go-to solution for high-performance, long-lasting door hinge applications.