ABH A111WTHD Wide Throw Aluminum Continuous Gear Hinge Full Mortise for Lead-Lined Doors - BHMA Grade 1 Heavy Duty

ABH Wide Throw Aluminum Continuous Gear Hinge Full Mortise for Lead-Lined Doors - BHMA Grade 1 Heavy Duty

Professional Heavy-Duty Continuous Hinge Solution for Lead-Lined Door Applications

The ABH Wide Throw Aluminum Continuous Gear Hinge delivers BHMA Grade 1 performance specifically engineered for lead-lined doors requiring extra clearance. This full mortise continuous hinge supports up to 450 lbs. door weight with a maximum 48" door width capacity, featuring wide throw design for applications needing additional clearance between door and frame. The heavy-duty aluminum construction with continuous gear operation provides superior load distribution and eliminates common alignment problems while meeting fire rating requirements for both metal and wood fire doors.

Professional Features & Benefits

• Heavy-Duty Load Capacity: Supports up to 450 lbs. door weight with 48" maximum door width for demanding commercial applications.
• Wide Throw Design: Provides extra clearance for lead-lined doors and applications requiring additional space between door and frame with 1/8" door inset.
• BHMA Grade 1 Certification: BHMA 156.25 Grade 1 certified for superior durability and performance in high-traffic commercial environments.
• Fire Rating Compliance: Approved for metal swinging fire doors up to 90 minutes and wood swinging fire doors up to 60 minutes.
• Continuous Load Distribution: Eliminates door binding and sagging by evenly distributing weight throughout the entire door and frame length.
• Enhanced Security Design: Eliminates gap between door and frame, preventing prying attempts and improving overall security.
• Heavy-Duty Bearing System: 83" hinge features 32 bearings with 3" spacing on center for smooth, long-lasting operation.
• Surface Applied Installation: No mortising of door or frame required, and will cover old butt hinge cut-outs for retrofit applications.

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: A110WT/A111WT
• Product Subgroup: Continuous Hinges
• Product Type: Continuous Hinges
• Subcategory: Full Mortise Hinges

Professional Applications

• Healthcare Facilities with Lead-Lined Doors
• Medical Imaging Centers and X-Ray Rooms
• Laboratory and Research Facilities
• Commercial Buildings with Heavy Doors
• Educational Institution Specialized Rooms
• Government and Security Facilities
• Industrial Facilities with Radiation Protection

Why Choose ABH Quality?

ABH continuous hinges deliver professional-grade reliability with heavy-duty aluminum construction and BHMA Grade 1 certification for demanding commercial applications. The anodized finish applied after machining ensures long-lasting durability, while the continuous gear design with 32 bearings provides smooth operation rated for 450 lbs. door weight capacity. Engineered specifically for lead-lined doors and applications requiring extra clearance, these hinges eliminate common alignment problems while meeting stringent fire rating requirements.