ABH A140HD/A140LL Aluminum Con...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$135.00
$132.66
ABH A140HD/A140LL Aluminum Continuous Gear Hinges with Door Lip Protector for Heavy-Duty Applications

ABH A140HD/A140LL Aluminum Continuous Gear Hinges with Door Lip Protector for Heavy-Duty Applications

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Model: A140 HD C 079
$135.00
$132.66
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$135.00
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ABH A140HD/A140LL Aluminum Continuous Gear Hinges with Door Lip Protector for Heavy-Duty Applications

BHMA Grade 1 Full Mortise Continuous Hinges for Commercial Applications

The ABH A140HD/A140LL Aluminum Continuous Gear Hinges deliver professional-grade performance for heavy-duty commercial door applications. These BHMA Grade 1 certified hinges feature a 3/32" door inset design with door edge protector lip, supporting doors up to 450 lbs (A140HD) or 1,000 lbs (A140LL for lead-lined doors). Designed for 1-3/4" thick doors with 48" maximum door width, these full mortise hinges provide superior weight distribution and enhanced security through continuous door-to-frame contact.

Professional Features & Benefits

  • Heavy-Duty Weight Capacity: A140HD model supports up to 450 lbs door weight, while A140LL model handles up to 1,000 lbs for lead-lined doors with specialized staggered hole pattern.
  • Door Compatibility: 3/32" door inset design accommodates 1-3/4" thick doors with maximum 48" door width for versatile commercial applications.
  • Enhanced Security Design: Continuous hinge construction eliminates gaps between door and frame, preventing prying attempts while distributing weight evenly to prevent sagging and binding.
  • Fire Rating Compliance: Approved for metal swinging fire doors up to 90 minutes and wood swinging fire doors up to 60 minutes for code compliance.
  • Heavy-Duty Construction: Anodized aluminum construction with 32 bearings on 83" hinge (3" spacing on center) provides smooth operation and long-term durability.
  • BHMA Grade 1 Certification: BHMA 156.25 Grade 1 certified for commercial-grade performance and reliability standards.
  • Surface Application: No mortising of door or frame required, and will cover old butt hinge cut-outs for retrofit applications.
  • Standard Fasteners Included: 12-24 X 3/4" undercut self drilling, thread forming tek machine screws for secure 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
  • Product Category: Door Hinges and Pivots
  • Product Group: Door Hinges and Pivots
  • Product Model: A140HD/A140LL
  • Product Subgroup: Continuous Hinges
  • Product Type: Continuous Hinges
  • Subcategory: Full Mortise Hinges

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Industrial and Warehouse Facilities
  • Fire-Rated Door Applications
  • Heavy-Duty Commercial Entrances
  • Lead-Lined Door Installations (A140LL)

Why Choose ABH Quality?

ABH A140HD/A140LL continuous hinges deliver professional-grade reliability with anodized aluminum construction and BHMA Grade 1 certification for demanding commercial applications. The heavy-duty design with 32 bearings provides smooth operation while supporting substantial door weights up to 1,000 lbs. Engineered for fire-rated applications and backed by comprehensive technical documentation for consistent professional installation.

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:
Full Mortise Hinges
Commercial/Residential:
Commercial
Hinge Type:
Full Mortise
Keyed:
N/A
Keyed Function:
N/A
BAA Qualified:
Yes
Product Model:
A140HD/A140LL
Product Category:
Door Hinges and Pivots
Department:
Door Hardware

ABH A140 HD C 079 – Frequently Asked Questions

1) Will the ABH A140HD continuous hinge work on a 1-3/4 inch door?
The A140HD and A140LL aluminum continuous geared hinges are built for 1-3/4 inch thick doors with a 3/32 inch door inset, and up to 48 inches of door width. If your opening uses a thinner door or a different inset, this is the wrong hinge for it. Check the door edge condition too: the 3/32 inset design carries a door edge protector lip, so it wants a square edge sitting at that clearance.
2) What is the difference between the ABH A140HD and the A140LL hinge?
Weight capacity and hole pattern. The A140HD carries doors up to 450 lbs. The A140LL is the lead-lined version, rated to 1,000 lbs, and uses a staggered hole pattern so the fasteners land in the door core rather than the lead sheet. If you are hanging a lead-lined radiology or imaging door, order the LL. For a standard heavy hollow metal or wood door under 450 lbs, the HD is the one.
3) Can I use this ABH continuous hinge on a 90 minute fire rated door?
Yes. The A140HD/A140LL is approved for metal swinging fire doors up to 90 minutes and wood swinging fire doors up to 60 minutes. Note the split: a 90 minute wood door is outside what this hinge is approved for, so on wood openings confirm the label reads 60 minutes or less before you specify it.
4) Will a continuous geared hinge cover the old butt hinge cutouts on my frame?
It will. The A140HD/A140LL runs the full height of the door and covers old butt hinge cut-outs, which is the usual reason people go to a continuous hinge on a retrofit. No mortising of the door or frame is required for the application. That makes it a practical fix for a frame that has been chewed up by repeated butt hinge replacement, and the continuous contact stops the sag that caused the failure in the first place.
5) Is the ABH A140 hinge Grade 1 and does it qualify for a Buy American federal job?
Both. The A140HD/A140LL is certified to BHMA 156.25 Grade 1, and it is BAA qualified, so it can be specified on federal work carrying a Buy American Act requirement. For an institutional spec package that is the pairing that usually matters: the grade satisfies the performance line and the BAA status satisfies procurement.
6) Full mortise or full surface continuous hinge, which one do I need?
The A140HD/A140LL is a full mortise hinge, meaning it installs into the door and frame rabbet on a 3/32 inch inset door and the hinge is largely concealed when the door is closed. A full surface hinge instead wraps the face of the door and frame, which is what you use when the frame is too damaged to take a mortise application or where the door has no rabbet clearance. If your opening needs that, the Design Hardware Full Surface Heavy Duty geared hinge or the BEST 664HD full surface geared hinge are the surface-mounted equivalents. For an out-swinging door on an unequal-rabbet frame, the Design Hardware Full Surface Offset is the version to look at.
7) What else could I buy instead of the ABH A140HD full mortise continuous hinge?
Staying full mortise and heavy duty, the closest alternatives are the Design Hardware Full Mortise Heavy Duty continuous geared hinge and the Pemko FM-RG Series Grade 1 aluminum full mortise raised geared hinge. The BEST 663HD is the heavy duty geared hinge cut for the same 3/32 inch inset door the A140 uses, which makes it the nearest drop-in by opening condition. Where the door is 1-3/8 inches rather than 1-3/4, none of those apply and you want the Pemko Short Leaf Flush hinge, which is built for that thickness.
8) What is the closest equivalent to the ABH A140HD full mortise geared continuous hinge from another manufacturer?
The Design Hardware FMHD is the nearest match in configuration and duty: a full mortise heavy duty continuous geared hinge, the same mounting style as the A140HD. The Pemko FM-RG Series is another full mortise geared option, rated Grade 1 and built in aluminum with a raised gear and 180-degree swing. All three mortise into the door edge and frame rabbet rather than mounting to the face, so the prep on an opening cut for the A140HD carries over.
9) The frame will not take a mortise hinge - what continuous geared hinge mounts to the door and frame face instead?
Use a full surface hinge. The Design Hardware FSHD is a full surface heavy duty continuous geared hinge, and the FSOHD is the full surface offset version for openings where the door must clear an obstruction as it swings. The BEST 664HD is a full surface continuous geared hinge carrying a 90-minute UL fire rating, and the NGP HD5700 is a full surface geared hinge with a 1/16 inch door inset sized for 1-3/4 inch to 2-1/4 inch doors. All of these attach to the faces of the door and frame, unlike the A140HD, which is a full mortise hinge.
10) Which continuous hinges besides the ABH A140HD are built for a 3/32 inch inset door?
The BEST 663HD is a heavy duty continuous hinge specified for 3/32 inch inset doors and 90-minute UL fire rated, which is the same door-to-frame inset the A140HD is designed around. If the opening is set up for a 1/16 inch inset instead, the NGP HD5700 is built to that dimension - inset is not interchangeable, so confirm the gap the door hangs at before substituting.
11) Can a BEST 641 or 651 continuous hinge replace the ABH A140HD on a heavy commercial door?
They are not equivalents. The BEST 641 is a steel full mortise standard duty continuous hinge with hospital tips and the BEST 651 is a stainless steel full mortise continuous hinge with hospital tips, and both are rated medium duty. The A140HD is a heavy-duty hinge supporting up to 450 lbs of door weight, with the A140LL version rated to 1,000 lbs for lead-lined doors. For a heavy or lead-lined leaf, stay with a heavy duty hinge such as the BEST 663HD or the Design Hardware FMHD; the 641 and 651 suit lighter mortise openings where hospital tips are wanted.
12) For a facility standardizing on Grade 1 continuous hinges, which alternatives to the ABH A140HD hold that certification?
The A140HD/A140LL is BHMA 156.25 Grade 1 certified. Among other geared continuous hinges, the Pemko FM-RG Series is Grade 1 and full mortise, the Pemko CFM84SLF-HD1 is an 84 inch full mortise short leaf flush heavy duty hinge rated Grade 1, and the Pemko DSH1000 anti-barricade hinge is Grade 1 as well. The NGP HD1100A is a concealed geared hinge listed at Grade 3, so it does not meet a Grade 1 standardization spec even though it is a heavy-duty concealed design.
13) The door is 1-3/8 inch thick - what continuous geared hinge should be used instead of the ABH A140HD?
The A140HD/A140LL is designed 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 that thickness and is Grade 1 construction. Door thickness drives leaf geometry on a geared hinge, so match it before ordering.
14) What continuous hinge should be specified for a behavioral health or detention opening instead of the ABH A140HD?
The Pemko DSH1000 is an anti-barricade continuous hinge with 100-degree bidirectional operation and Grade 1 rating - the door can be swung either way so an occupant cannot barricade the opening. The A140HD is a conventional single-direction full mortise geared hinge and offers no bidirectional function, so it is the wrong choice where anti-barricade behavior is required.
15) Which continuous geared hinges besides the ABH A140HD carry a 90-minute fire rating for a hollow metal opening?
The A140HD/A140LL is approved for metal swinging fire doors up to 90 minutes and wood swinging fire doors up to 60 minutes. On the mortise side, the BEST 663HD is 90-minute UL fire rated for 3/32 inch inset doors. If the mount has to change, the BEST 664HD full surface hinge is also 90-minute UL fire rated, and the NGP HD5400A half surface and HD5700 full surface hinges are 10C fire rated 90 minutes on hollow metal.
16) Does any comparable continuous hinge match the ABH A140LL for a lead-lined X-ray room door?
The A140LL is the one specified for that opening - it handles up to 1,000 lbs of door weight with a staggered hole pattern made for lead-lined doors, where the A140HD tops out at 450 lbs. The other heavy duty geared hinges, including the Design Hardware FMHD full mortise and the BEST 663HD, are heavy duty commercial hinges without a lead-lined provision, so for imaging suite doors order the A140LL version.
17) Do screws come with the ABH A140 continuous hinge, or do I have to order fasteners separately?
Fasteners are included. The standard pack ships with 12-24 x 3/4 inch undercut self drilling, thread forming tek machine screws, which drill and form their own threads in hollow metal, so you are not pre-tapping the frame on site. Bring a driver that will hold torque through a full 83 inch run, that is 32 fastening points worth of driving on the common length.
18) My continuous hinge keeps failing on a high traffic door. Will this one hold up better?
A continuous geared hinge spreads the door load down the whole edge instead of concentrating it on three or four butts, which is what stops the sagging and binding that kills doors in heavy traffic. The A140HD/A140LL runs 32 bearings on the 83 inch hinge at 3 inch spacing on center, so the load is carried at intervals rather than at a few points. If your current failure is a medium duty hinge on a heavy door, moving to a heavy duty geared hinge is the fix; the BEST 641 and 651 continuous hinges, for comparison, are medium duty products.
19) Do I need to specify handing when ordering an ABH A140 continuous hinge?
No handing to call out. What you do specify is length (79, 83, 85, 95, or 120 inches), finish (clear anodized aluminum, dark bronze, or black), and whether the door is lead-lined, which selects the A140LL with its staggered hole pattern instead of the A140HD. Get those three right and the order is complete.
20) Is a continuous hinge more secure than butt hinges on an exterior commercial door?
The security gain is geometric. Continuous construction removes the gaps between door and frame that a pry bar needs a purchase on, and there is no single hinge to attack or hinge pin to pull. The A140HD/A140LL is a commercial-grade hinge, Grade 1 certified to BHMA 156.25, and it fastens with self drilling thread forming machine screws rather than wood screws into a frame. On perimeter openings and back-of-house doors that get worked on, that combination is the practical reason to switch off butts.
21) Is the NGP HD1100A a substitute for the ABH A140HD full mortise geared hinge?
They solve different problems. The HD1100A is a concealed continuous geared hinge in an 83 inch length, heavy-duty, listed Grade 3, and 10C fire rated 90 minutes on hollow metal - the gear sits hidden when the door is closed. The A140HD is a full mortise hinge with an exposed continuous barrel and a door edge protector lip, BHMA Grade 1, and comes in 79, 83, 85, 95 and 120 inch lengths. Choose the concealed hinge when appearance on a closed door matters; choose the A140HD when the door edge needs protecting and Grade 1 is on the spec.
22) What is the difference between the ABH A140HD and a half surface continuous geared hinge like the NGP HD5400A?
The mounting differs on the door side. The A140HD is a full mortise hinge, so both leaves set into prepped edges of the door and frame. The NGP HD5400A is a half surface geared hinge in an 83 inch length with aluminum alloy construction, 10C fire rated 90 minutes on hollow metal, where one leaf mounts to a face rather than into a mortise. Half surface is the usual answer when the door edge cannot be prepped but the frame can be; full mortise gives the flush appearance the A140HD provides along with its door edge protector lip.
23) For an 84 inch full mortise opening, how does the Pemko CFM84SLF-HD1 compare with the ABH A140HD?
The Pemko CFM84SLF-HD1 is a fixed 84 inch full mortise short leaf flush heavy duty hinge rated Grade 1. The A140HD is BHMA 156.25 Grade 1 and comes in 79, 83, 85, 95 and 120 inch lengths, so an 83 or 85 inch A140HD covers the same door height range without cutting. Both are full mortise, and the A140HD adds a door edge protector lip on a 3/32 inch inset for 1-3/4 inch doors.
24) Will an anodized aluminum continuous hinge match the dark bronze storefront hardware on the rest of my building?
Three finishes are offered across every length: clear anodized aluminum, dark bronze, and black. Clear anodized is the usual match for mill-finish aluminum storefront, and dark bronze lines up with bronze anodized entrances. For a property manager standardizing a run of openings, all three finishes are available in each of the 79, 83, 85, 95, and 120 inch lengths, so a mixed-height set of doors can still be finished consistently.
How fast can I get the ABH A140 HD C 079 delivered?
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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 A140 HD C 079 come with a warranty?
Absolutely. The ABH A140 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 A140 HD C 079?
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