ABH A530HD Heavy-Duty Aluminum...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$208.00
$177.92
ABH A530HD Heavy-Duty Aluminum Continuous Gear Hinge Half Surface 450 lbs Capacity

ABH A530HD Heavy-Duty Aluminum Continuous Gear Hinge Half Surface 450 lbs Capacity

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Model: A530 HD079 C
$208.00
$177.92
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$208.00
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ABH A530HD Heavy-Duty Aluminum Continuous Gear Hinge Half Surface 450 lbs Capacity

BHMA Grade 1 Certified Heavy-Duty Continuous Hinge Solution

The ABH A530HD Heavy-Duty Aluminum Continuous Gear Hinge delivers professional-grade performance for double egress and center hung doors up to 48" width and 450 lbs capacity. This half surface design features 3/32" door inset with BHMA Grade 1 certification and fire ratings up to 90 minutes for metal doors and 60 minutes for wood doors. Available in standard lengths of 79", 83", 85", 95" and 120" with anodized aluminum construction for lasting durability.

Professional Features & Benefits

  • Heavy-Duty Load Capacity: Supports doors up to 450 lbs with 48" maximum door width for demanding commercial applications.
  • BHMA Grade 1 Certification: Meets BHMA 156.25 Grade 1 standards for superior performance and reliability in high-traffic environments.
  • Fire Rating Compliance: Approved for metal swinging fire doors up to 90 minutes and wood swinging fire doors up to 60 minutes.
  • Continuous Weight Distribution: Eliminates common alignment problems like door binding and sagging by evenly distributing weight throughout the entire door and frame.
  • Enhanced Security Design: Eliminates gaps between door and frame to prevent prying attempts while providing superior protection.
  • Surface Application: No mortising of door or frame required, simplifying installation and covering old butt hinge cut-outs.
  • Anodized Aluminum Construction: Machined then anodized for durability with standard finishes including clear anodized, dark bronze anodized, and black anodized.
  • Templated Hole Patterns: Standard-length hinges feature consistent templated hole patterns for reliable installation over time.

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: Half Surface
  • Keyed: N/A
  • Keyed Function: N/A
  • PDF:A530HD Aluminum Continuous Gear Hinges Half Surface: https://zensupply.com/content/pdf/abh/0000142_a530_aluminum_geared_hinge_03.pdf
  • PDF:Aluminum Continuous Geared Hinge Cross Reference Chart: https://zensupply.com/content/pdf/abh/0000406_cross_reference.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: A530HD & A540HD Aluminum Continuous Gear Hinges Half Surface - Cut Sheet: https://zensupply.com/content/pdf/abh/0000202_a530_a540.pdf
  • Product Category: Door Hinges and Pivots
  • Product Group: Door Hinges and Pivots
  • Product Model: A530HD
  • Product Subgroup: Continuous Hinges
  • Product Type: Continuous Hinges
  • Series: A530HD Series
  • Subcategory: Half Surface Model

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 A530HD continuous hinges deliver professional-grade reliability with anodized aluminum construction and BHMA Grade 1 certification for demanding commercial applications. Fire-rated for up to 90 minutes on metal doors and 60 minutes on wood doors, these heavy-duty hinges support up to 450 lbs while eliminating common alignment problems. Engineered for demanding commercial applications where dependable performance and security are 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:
Half Surface
Keyed:
N/A
Keyed Function:
N/A
Series:
A530HD Series
BAA Qualified:
Yes
Product Model:
A530HD
Product Category:
Door Hinges and Pivots
Department:
Door Hardware

ABH A530 HD079 C – Frequently Asked Questions

1) Will the ABH A530HD continuous hinge work on a door that weighs more than 400 lbs?
The A530HD is rated to 450 lbs, and the door can be up to 48 inches wide. That covers most heavy commercial openings, including lead-lined and heavy wood slabs, as long as you stay inside both limits. If your slab is wider than 48 inches, this is not the hinge for it regardless of weight.
2) What is the difference between a half surface continuous hinge and a full surface or full mortise one?
Half surface means one leaf mounts to the face of the door and the other is mortised into the frame, so you only need to prep the frame side. Full surface hinges mount on the face of both door and frame with no mortising anywhere, which is the choice when the frame is already cut up or you cannot machine it. Full mortise hinges recess into both and give a flush look but need prep on both sides. The A530HD is the half surface version, and it is set up for double egress and center hung doors.
3) Do I have to mortise the door for the ABH A530HD, and will it cover my old butt hinge cutouts?
No mortising of the door or frame is required. The surface application also covers over old butt hinge cut-outs, which is what makes this a practical retrofit when you are replacing three worn butts on an abused opening. Screws are 12-24 x 3/4 inch undercut self drilling, thread forming tek machine screws, so you are drilling and driving rather than tapping.
4) Is the ABH A530HD fire rated, and for how long?
Approved for metal swinging fire doors up to 90 minutes and wood swinging fire doors up to 60 minutes. If your opening is a wood door on a 90 minute rated assembly, this hinge does not carry you there, so check the door label before you order.
5) What door inset does the ABH A530HD half surface hinge require?
3/32 inch inset, and that is the only inset offered on the A530HD. If your opening is set up for a 1/16 inch inset, this one will not hang right; the NGP HD5700 is the full surface hinge built around a 1/16 inch inset. ABH publishes a door clearance chart for the aluminum continuous geared hinges if you need to confirm your gap before ordering.
6) My doors are sagging and dragging on the frame. Will a continuous geared hinge fix that?
That is the main reason people switch to one. A continuous hinge runs the full height of the opening and spreads the door weight across the whole door and frame instead of loading three butt hinge points, so binding and sag stop being a recurring maintenance call. On the A530HD you get that up to 450 lbs and 48 inches wide, and it closes the gap between door and frame, which also takes away the purchase point for prying.
7) What is the closest alternative to the ABH A530HD for a 3/32 inch inset door?
The BEST 663HD is the nearest match in our line: heavy duty, 90 minute UL fire rated, and built for 3/32 inch inset doors, the same inset the A530HD uses. It is the one to look at if you need the same door prep with a different manufacturer on the submittal.
8) The door is a full surface application, not half surface - what continuous geared hinge should I order?
The ABH A530HD is a half surface hinge, so it is not the part for a full surface opening. Full surface options in the same heavy duty geared class include the BEST 664HD full surface continuous geared hinge with a 90 minute UL fire rating, the Design Hardware FSHD full surface heavy duty geared hinge, and the NGP HD5700 full surface geared hinge with 1/16 inch door inset for 1-3/4 inch to 2-1/4 inch doors. Where the door swings clear of an obstruction or the frame face is out of plane, the Design Hardware FSOHD full surface offset heavy duty geared hinge is the offset version of the same mounting.
9) What is the closest equivalent to the ABH A530HD half surface continuous geared hinge from another manufacturer?
The NGP HD5400A is the nearest match in configuration: it is an 83 inch half surface continuous geared hinge of aluminum alloy construction, the same half surface mounting the A530HD uses, and it carries a 10C fire rating for 90 minutes on hollow metal. The A530HD is offered in 79, 83, 85, 95 and 120 inch lengths, so an 83 inch opening is where the two line up directly; longer or shorter leaves point back to the ABH.
10) The frame is already mortised for a continuous hinge - what should I use instead of a half surface geared hinge?
A half surface hinge like the ABH A530HD mounts to the surface with no mortising of door or frame, which is the wrong answer when the frame is already prepped for a mortised leaf. For that opening, look at the Design Hardware FMHD full mortise heavy duty continuous geared hinge, or the Pemko FM-RG Series Grade 1 aluminum full mortise raised geared hinge with 180 degree swing. Both are full mortise, so they sit into the existing prep rather than covering it.
11) I need a Grade 1 continuous hinge for a facility standard - which options meet that?
The ABH A530HD is certified to BHMA 156.25 Grade 1. Among the other continuous hinges, Pemko carries Grade 1 across several configurations: the CFM84SLF-HD1 84 inch full mortise short leaf flush heavy duty hinge, the FM-RG Series aluminum full mortise raised geared hinge, the FM-SLF short leaf flush geared hinge for 1-3/8 inch doors, and the DSH1000 anti-barricade hinge. The A530HD is the Grade 1 choice when the mounting has to be half surface rather than mortised.
12) Can I use a standard duty continuous hinge instead of the ABH A530HD on a 450 lb door?
No. The ABH A530HD is rated for doors up to 450 lbs. The BEST 641 steel full mortise continuous hinge with hospital tips and the BEST 651 stainless steel full mortise hinge with hospital tips are both medium duty products, and they are the wrong class for a door at that weight. Stay in the heavy duty group: BEST 663HD, BEST 664HD, or the Design Hardware FMHD and FSHD hinges are all heavy duty. The BEST 641 and 651 are the choice when the opening is a lighter medium duty door and hospital tips are wanted.
13) What continuous hinge should I use for a behavioral health or detention opening where barricading is a concern?
The ABH A530HD is a standard half surface geared hinge and does not address barricading. For that application the Pemko DSH1000 is the purpose-built part: it is a Grade 1 anti-barricade continuous hinge with 100 degree bidirectional operation, so the door can be swung from either side to clear an obstructed room. Use the A530HD on the general corridor and back-of-house openings in the same facility, where its 450 lb capacity and 90 minute metal door fire rating apply.
14) Which heavy duty continuous geared hinge carries a fire rating for a 90 minute metal door opening?
The ABH A530HD is approved for metal swinging fire doors up to 90 minutes and wood swinging fire doors up to 60 minutes. Among the alternatives, the BEST 663HD and BEST 664HD are both 90 minute UL fire rated heavy duty hinges, and the NGP HD5400A and NGP HD5700 are 10C fire rated for 90 minutes on hollow metal. The A530HD is the one of that group carrying a stated wood door rating as well, which matters if the same order covers both metal and wood leaves in a facility.
15) Is the A530HD hinge BHMA Grade 1?
Yes, it meets BHMA 156.25 Grade 1. That matters on a spec-driven job where the drawing calls Grade 1 continuous geared hinges, and it is the same grade level as the Pemko FM-RG Series and the Pemko short leaf flush full mortise hinge if you are cross-referencing what a specifier will accept.
16) What finishes does the ABH A530HD come in, and can I get every length in every finish?
Three anodized finishes: clear anodized aluminum, dark bronze, and black. All three are offered in each of the 79, 83, 85, 95 and 120 inch lengths, so you can standardize a whole building on one finish and still cover mixed door heights. The aluminum is machined then anodized.
17) Can I use the ABH A530HD on a federal or municipal job with domestic sourcing requirements?
It is BAA qualified, which is what a government or municipal specifier is looking for on Buy American Act work. It is a commercial-duty product, not a residential one, and ABH publishes a BHMA Grade 1 document alongside it if the submittal needs backup.
18) Is a standard duty continuous hinge good enough, or do I need the heavy duty A530HD?
Duty level should follow the door and the traffic. The A530HD is a heavy duty hinge carrying 450 lbs, which is what you want on a heavy exterior or high-cycle opening. For lighter interior doors, the BEST 641 steel full mortise and BEST 651 stainless full mortise are medium duty continuous hinges with hospital tips, which is the usual pick in healthcare corridors where you do not want a ledge at the top of the hinge.
19) Is the BEST 663HD the same thing as the ABH A530HD?
They overlap but are not the same mounting. The BEST 663HD is a heavy duty continuous hinge, 90 minute UL fire rated, built for 3/32 inch inset doors - the same 3/32 inch door inset the ABH A530HD is supplied at. The difference to confirm before ordering is leaf configuration and length: the A530HD is a half surface hinge in 79, 83, 85, 95 and 120 inch lengths with anodized aluminum construction. If the 3/32 inch inset is what drove you to the 663HD, the A530HD meets the same inset condition.
20) Is the NGP HD1100A a substitute for the ABH A530HD?
They are different hinges for different conditions. The NGP HD1100A is an 83 inch concealed continuous geared hinge listed at Grade 3, so the gear runs concealed in the opening rather than on the face. The ABH A530HD is a half surface hinge that mounts to the face of the door and frame and is certified to BHMA 156.25 Grade 1 for up to 450 lbs. Choose the HD1100A when the hinge must not be visible from the pull side; choose the A530HD when the specification calls for Grade 1 and a surface-applied leaf.
21) The door is 1-3/8 inch thick - is the ABH A530HD the right continuous hinge?
The ABH A530HD is built for heavy commercial openings up to 48 inch door width and 450 lbs, with a 3/32 inch door inset. For a 1-3/8 inch door, the Pemko FM-SLF short leaf flush continuous geared hinge is specified for 1-3/8 inch doors and is Grade 1 construction. Confirm the door thickness against the hinge before ordering, since the two are built around different door sections.
22) I need to match an ABH continuous hinge to a competitor's model number I already have on the doors. Is there a cross reference?
ABH publishes a cross reference chart for its aluminum continuous geared hinges, which is how you map a competitor's model to the ABH equivalent before ordering. There is also a dedicated A530HD cut sheet covering the A530HD and A540HD half surface hinges for the dimensions a submittal needs.
23) Does a stainless steel continuous hinge do the same job as the aluminum ABH A530HD?
The ABH A530HD is machined and anodized aluminum, offered in clear anodized, dark bronze anodized and black anodized. The BEST 651 is a stainless steel full mortise continuous hinge with hospital tips, rated medium duty, so it is a different material and a different mounting and duty class. Where a mortised stainless leaf with hospital tips is what the opening calls for, the 651 is the part; where the requirement is a surface-applied heavy duty leaf at 450 lbs, the A530HD is.
How fast can I get the ABH A530 HD079 C 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 A530 HD079 C come with a warranty?
Absolutely. The ABH A530 HD079 C 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 A530 HD079 C?
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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