ABH A270HD/A270LL Aluminum Continuous Gear Hinges - BHMA Grade 1 Heavy Duty Full Mortise

ABH A270HD/A270LL Aluminum Continuous Gear Hinges - BHMA Grade 1 Heavy Duty Full Mortise

Professional Heavy-Duty Continuous Hinge Solution

The ABH A270HD/A270LL Aluminum Continuous Gear Hinges deliver BHMA Grade 1 certified performance for commercial door applications requiring maximum durability and security. Designed for 2" thick doors with 48" maximum door width, these full mortise hinges support up to 450 lbs door weight (A270HD) or up to 1,000 lbs for lead-lined doors (A270LL). The full concealed, heavy duty construction eliminates door binding and sagging while providing enhanced security by eliminating gaps between door and frame.

Professional Features & Benefits

• Heavy-Duty Weight Capacity: A270HD supports up to 450 lbs door weight, while A270LL handles up to 1,000 lbs for lead-lined applications with specialized staggered hole pattern.
• Door Compatibility: Designed for 2" thick doors with 48" maximum door width for versatile commercial applications.
• BHMA Grade 1 Certification: BHMA 156.25 Grade 1 certified construction ensures professional-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.
• Enhanced Security Design: Full concealed construction eliminates gaps between door and frame, preventing prying attempts and unauthorized access.
• Even Weight Distribution: Continuous hinge design distributes door weight throughout the entire length, preventing common alignment problems like binding and sagging.
• Surface Applied Installation: No mortising of door or frame required, simplifying installation while covering old butt hinge cut-outs.
• Standard Length Options: Available in 79", 83", 85", 95" and 120" standard 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
• PDF:A270HD/A270LL & A410HD/A410LL Aluminum Continuous Gear Hinges Full Mortise - Cut Sheet: https://zensupply.com/content/pdf/abh/0000195_a270_a410.pdf
• PDF:A270HD/A270LL Aluminum Continuous Gear Hinges Full Mortise: https://zensupply.com/content/pdf/abh/0000571_a270_aluminum_geared_hinge_04.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:BHMA GRADE 1: https://zensupply.com/content/pdf/abh/0002339_bhma_grade_1_for_hinges_compressed.pdf
• PDF: Aluminum Continuous Geared Hinge Cross Reference Chart: https://zensupply.com/content/pdf/abh/0000406_cross_reference.pdf
• Product Category: Door Hinges and Pivots
• Product Group: Door Hinges and Pivots
• Product Model: A270HD / A270LL
• Product Subgroup: Continuous Hinges
• Product Type: Continuous Hinges
• Series: A270 Series
• 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 A270HD/A270LL continuous hinges deliver professional-grade reliability with anodized aluminum construction and BHMA Grade 1 certification for demanding commercial applications. The heavy-duty design supports up to 450 lbs (A270HD) or 1,000 lbs (A270LL) door weight while providing enhanced security through full concealed construction. Engineered for demanding commercial applications where dependable performance and fire rating compliance are essential.