ABH A211HD Heavy Duty Aluminum...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$370.00
$363.60
ABH A211HD Heavy Duty Aluminum Continuous Gear Hinge Half Surface with Swing Clear Design

ABH A211HD Heavy Duty Aluminum Continuous Gear Hinge Half Surface with Swing Clear Design

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Model: A211 HD C 079
$370.00
$363.60
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$370.00
$363.60
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ABH A211HD Heavy Duty Aluminum Continuous Gear Hinge Half Surface with Swing Clear Design

BHMA Grade 1 Certified Heavy Duty Continuous Hinge Solution

The ABH A211HD Heavy Duty Aluminum Continuous Gear Hinge delivers professional-grade performance for commercial door applications requiring superior strength and reliability. This half surface mount hinge accommodates doors up to 48" width and 450 lbs. weight capacity with swing clear operation for maximum door opening clearance. Engineered for 1-3/4" thick doors with 1/16" door inset, this BHMA Grade 1 certified hinge provides fire-rated performance up to 90 minutes for metal doors and 60 minutes for wood doors.

Professional Features & Benefits

  • Heavy Duty Load Capacity: Supports doors up to 450 lbs. weight and 48" maximum width for demanding commercial applications.
  • BHMA Grade 1 Certification: Meets BHMA 156.25 Grade 1 standards for superior durability and performance in high-traffic environments.
  • Swing Clear Design: Provides maximum door opening clearance with 1/16" door inset for optimal accessibility and space utilization.
  • Fire-Rated Performance: Approved for metal fire doors up to 90 minutes and wood fire doors up to 60 minutes for code compliance.
  • Continuous Weight Distribution: Eliminates door binding and sagging by evenly distributing weight throughout the entire door and frame length.
  • Enhanced Security Design: Eliminates gaps between door and frame to prevent prying attempts and unauthorized access.
  • Surface Mount Installation: No mortising required for door or frame, simplifying installation and covering old butt hinge cut-outs.
  • Professional Fastener System: Includes 12-24 X 3/4" undercut self drilling tek screws for frame and 1/4-20 sex bolts for door mounting.

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: Swing Clear
  • Keyed: N/A
  • Keyed Function: N/A
  • PDF:A211HD Aluminum Continuous Gear Hinges Half Surface - Template: https://zensupply.com/content/pdf/abh/0001906_a211_aluminum_geared_hinge_02.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
  • PDF: A211HD & A213HD Aluminum Continuous Gear Hinges Half Surface - Cut Sheet: https://zensupply.com/content/pdf/abh/0000197_a211_a213.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
  • Product Category: Door Hinges and Pivots
  • Product Group: Door Hinges and Pivots
  • Product Model: A211HD
  • Product Subgroup: Continuous Hinges
  • Product Type: Continuous Hinges
  • Series: A211HD Series
  • Subcategory: Half Surface Model

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Fire-Rated Door Applications
  • Government and Municipal Buildings

Why Choose ABH Quality?

ABH continuous hinges deliver professional-grade reliability with anodized aluminum construction and BHMA Grade 1 certification for demanding commercial applications. Available in standard lengths of 79", 83", 85", 95" and 120" with templated hole patterns for consistent installation. Engineered for heavy duty performance at standard duty prices with fire-rated approvals and enhanced security features where dependable operation is essential.

Product Specs

Product Group:
Door Hinges and Pivots
Door Weight:
450
Fasteners:
12-24 X 3/4" undercut self drilling, thread forming tek machine screws
Product Subgroup:
Continuous Hinges
Product Type:
Continuous Hinges
Subcategory:
Half Surface Model
Commercial/Residential:
Commercial
Hinge Type:
Swing Clear
Keyed:
N/A
Keyed Function:
N/A
Series:
A211HD Series
BAA Qualified:
Yes
Product Model:
A211HD
Product Category:
Door Hinges and Pivots
Department:
Door Hardware

ABH A211 HD C 079 – Frequently Asked Questions

1) How heavy a door can the ABH A211HD hinge carry?
450 lbs, up to 48 inches of door width. That covers most heavy commercial openings, entry doors with closers, and lead-lined or oversized doors in hospitals and schools. Because it is a continuous geared hinge, the weight rides the full height of the door rather than three or four butt points, so the door does not sag or drop out of alignment over time.
2) What does swing clear mean on the ABH A211HD hinge, and when do I need it?
Swing clear geometry pulls the door leaf completely out of the opening when the door swings back, so the hinge does not eat into the clear width. That is the reason to specify it: on a corridor or restroom door where you need every inch of passage for a wheelchair or a gurney, a standard hinge leaves the door slab sitting in the opening. Hospitals, care facilities, and older buildings with tight door widths are the usual applications.
3) Can the ABH A211HD be used on a fire rated door?
Yes, within limits worth reading carefully. The A211HD is approved for metal fire doors up to 90 minutes and wood fire doors up to 60 minutes. So a 90 minute wood opening rules it out, while a 90 minute hollow metal opening is fine. It also carries BHMA 156.25 Grade 1 certification, which is the top durability tier for continuous hinges.
4) Do I have to mortise the frame to install an ABH A211HD half surface hinge?
No mortising of the door or the frame. The A211HD is a half surface hinge, which means one leaf mounts to the face of the door and the other into the frame rabbet, so it goes on with fasteners rather than routing. That also makes it the standard fix for a frame with worn or chewed up butt hinge cut-outs, since the hinge leaf covers the old prep.
5) My door is 1-3/8 inch thick. Can I use the ABH A211HD?
The A211HD is engineered for 1-3/4 inch thick doors. For a 1-3/8 inch door, the Pemko FM-SLF short leaf flush continuous geared hinge is built for 1-3/8 inch doors with Grade 1 construction. Confirm the door thickness before ordering either, since a geared continuous hinge is cut and drilled to a specific leaf thickness and mount.
6) What is the closest half surface continuous geared hinge to the ABH A211HD?
The NGP HD5400A is the nearest half surface match. Both are half surface continuous geared hinges of aluminum alloy construction, so both mount to the door and frame face on one side without mortising. The A211HD carries a 450 lb. door weight rating and is offered in 79, 83, 85, 95 and 120 inch lengths, while the HD5400A is an 83 inch hinge and is 10C fire rated for 90 minutes on hollow metal. If the opening needs a length other than 83 inches, the A211HD covers the range; if 83 inches is the only length required, either mount pattern is a half surface application.
7) The frame will not take a half surface hinge on the push side. What continuous hinge should I use instead of the ABH A211HD?
Move to a full surface hinge. The BEST 664HD is a full surface continuous geared hinge with a 90 minute UL fire rating, and the NGP HD5700 is a full surface continuous geared hinge with a 1/16 inch door inset for 1-3/4 to 2-1/4 inch doors, 10C fire rated 90 minutes on hollow metal. Full surface mounts both leaves to the face of the door and the face of the frame, so the frame rabbet is not involved. The A211HD is a half surface hinge, which still requires one leaf to land on the frame rabbet.
8) I want the hinge hidden when the door is closed instead of surface applied. What is the alternative to the ABH A211HD?
Use a full mortise hinge. The Design Hardware FMHD is a heavy duty full mortise continuous geared hinge, and the Pemko FM-RG Series is a Grade 1 aluminum full mortise raised geared continuous hinge with a 180 degree swing. Full mortise sets the hinge into the door edge and frame rabbet, so the barrel is the only part visible on the closed door. The A211HD is half surface and applies to the face, which is what lets it cover old butt hinge cut-outs without mortising the door or frame.
9) Is the BEST 641 a substitute for the ABH A211HD?
No. The BEST 641 is a steel full mortise standard duty continuous hinge with hospital tips and is a medium duty hinge; the A211HD is a heavy duty half surface aluminum geared hinge rated for 450 lb. doors. Two things differ: mount type, since the 641 is set into the door edge and frame rabbet rather than applied to the face, and duty level. On a 450 lb. leaf specified for heavy duty, the 641 is not the equivalent part.
10) My existing doors have a 3/32 inch inset, not 1/16 inch. What continuous hinge fits that?
The BEST 663HD is a heavy duty continuous hinge for 3/32 inch inset doors and is 90 minute UL fire rated. Every A211HD is built to a 1/16 inch door inset, so it is matched to a 1/16 inch gap between door and frame rather than 3/32 inch. Measure the inset on the installed opening before choosing, since the geared leaf spacing is set by that dimension.
11) Does the ABH A211HD come with mounting screws, or do I buy them separately?
Fasteners are included. You get 12-24 x 3/4 inch undercut self drilling, thread forming tek machine screws for the frame side and 1/4-20 sex bolts for the door side. The self drilling frame screws mean you are not pre-tapping hollow metal, and the sex bolts pull through the door so the hinge cannot be unscrewed off the face.
12) Half surface or full surface continuous hinge, which one do I need?
It comes down to what the frame will accept. Half surface, like the A211HD, puts one leaf on the door face and the other inside the frame rabbet, so the frame side stays flush and it is the usual retrofit over old butt prep. Full surface mounts both leaves on the faces of door and frame, which is what you use when the frame rabbet is damaged or you are hanging a lead-lined or extra thick door; the BEST 664HD and the Design Hardware FSHD are heavy duty full surface geared hinges. If the opening is being built new and you want the hinge hidden, a full mortise unit like the Design Hardware FMHD conceals into the door and frame edges.
13) Is the ABH A211HD hinge approved for a federal or government job with Buy American requirements?
The A211HD is BAA qualified, so it clears Buy American Act sourcing requirements on federal and federally funded work. Combined with the BHMA 156.25 Grade 1 certification, that covers the two boxes most government, municipal, and institutional specs check on a continuous hinge.
14) Will a continuous geared hinge like the ABH A211HD stop my doors from sagging and dragging?
That is the main reason property managers switch to one. A continuous geared hinge runs the full height of the opening and spreads the door load across the entire door and frame edge instead of concentrating it on three butt hinges, so the door stops binding, sagging, and scraping the threshold. On a 450 lb capacity unit like the A211HD, a heavy entry door that has been pulling its top hinge out of the frame gets fixed properly rather than re-shimmed every year.
15) What is a Grade 1 alternative to the ABH A211HD if I need a full mortise continuous hinge instead?
Pemko covers that side. The FM-RG Series is a Grade 1 aluminum full mortise raised geared continuous hinge with 180 degree swing, and the CFM84SLF-HD1 is an 84 inch Grade 1 full mortise short leaf flush unit. Both mortise into the door and frame edges rather than mounting to the face like the A211HD, so they suit new frames or openings where the hinge should not be visible on the door face. For 1-3/8 inch doors, the Pemko short leaf flush geared hinge is the Grade 1 option, since the A211HD is built for 1-3/4 inch doors.
16) Is the ABH A211HD hinge handed? Do I need to specify left or right?
No handing to call out. Continuous geared hinges are symmetrical along their length, so the same A211HD works on a left or right hand door; you orient it at install. What you do have to specify is length (79, 83, 85, 95 or 120 inches) and finish, and confirm the door is 1-3/4 inches thick with a 1/16 inch inset.
17) What is a lighter duty continuous hinge if my door does not need the ABH A211HD's 450 lb. rating?
The BEST 641 and BEST 651 are both medium duty continuous hinges with hospital tips, the 641 in steel and the 651 in stainless steel, and both are full mortise. They suit an opening where the leaf weight is well inside a medium duty rating and the hinge is to be concealed in the door edge. Keep the A211HD where the door runs to 450 lb. and up to 48 inches wide and the mount has to be half surface.
18) Is the NGP HD1100A the same thing as the ABH A211HD?
They are not interchangeable. The HD1100A is a concealed continuous geared hinge, 83 inches, Grade 3, 10C fire rated 90 minutes on hollow metal. Concealed means the hinge is hidden in the door and frame when closed, which is a different prep from the A211HD's half surface face mount, and the A211HD is certified to BHMA 156.25 Grade 1. If a submittal calls out half surface Grade 1, the HD1100A does not cover it.
19) Which continuous hinge should I standardize on for behavioral health or detention-adjacent openings instead of the ABH A211HD?
For an opening where a door must not be barricaded shut, the Pemko DSH1000 is an anti-barricade continuous hinge with 100 degree bidirectional operation and Grade 1 construction, letting the door swing either direction. The A211HD is a swing clear hinge for standard single-direction commercial openings and does not provide bidirectional operation. Facilities often specify the anti-barricade hinge only on patient or resident room doors and keep a standard heavy duty hinge elsewhere.
20) What finishes does the ABH A211HD hinge come in?
Three: clear anodized aluminum, dark bronze, and black, and all three are offered in each of the five lengths. Clear anodized is the default match for aluminum storefront and most commercial frames, dark bronze pairs with bronze anodized entrances, and black matches painted hollow metal or dark storefront. Since the hinge runs the full height of the door, the finish is visible along the whole edge, so it is worth matching to the frame rather than the door hardware.
21) Does a continuous hinge add security compared with regular butt hinges?
It does, and the reason is geometry rather than any added lock feature. Because the A211HD runs unbroken from head to sill, there is no gap between the door and frame at the hinge edge for a pry bar to enter, and no exposed hinge pins to pull. There are no keyed or keying options on the hinge itself, so any locking is handled by the lockset or exit device you specify separately.
22) Is the ABH A211HD an aluminum hinge, and will it hold up in a high traffic building?
Anodized aluminum construction, and it is certified to BHMA 156.25 Grade 1, the highest durability grade in that standard. Aluminum geared hinges do not rust the way a plain steel butt hinge does, which matters on exterior and washdown openings. If your spec calls for stainless steel rather than aluminum, the BEST 651 is a stainless full mortise continuous hinge, though it is a medium duty unit rather than heavy duty.
23) I need to match the ABH A211HD to a hinge already on the job. Is there a cross reference?
Yes. ABH publishes an aluminum continuous geared hinge cross reference chart, which maps competitor model numbers to the equivalent ABH unit, and a door clearance chart for working out clearances on square edged doors. There is also an A211HD template and a cut sheet covering the A211HD and A213HD together, which is what you hand the installer for hole locations.
How fast can I get the ABH A211 HD C 079 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the ABH A211 HD C 079 come with a warranty?
Absolutely. The ABH A211 HD C 079 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the ABH A211 HD C 079?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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