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Ships within 48 hours · Estimated delivery Jul 3 - Jul 8
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Description
gear hinge ABH A111HD Full Mortise Continuous Gear HingeBHMA Grade 1 Full Concealed, Heavy Duty 1 8" Door Inset 48" door width maximum 450 lbs. door weight maximum Average weight per unit = 11 lbs "LL" model for doors up to 1,000 lbs (lead lined staggered hole pattern) Fasteners: 12 24 X 3 4" undercut self drilling, thread forming tek machine screws Standard Lengths: 79", 83", 85", 95" and 120" + Custom Sizes Available Fire Rating Approved for use on metal swinging type fire doors rated up to and including
- BHMA Grade 1
- Full Concealed, Heavy Duty
- 1/8" Door Inset
- 48" door width maximum
- 450 lbs. door weight maximum
- Average weight per unit = 11 lbs
- "LL" model for doors up to 1,000 lbs (lead-lined staggered hole pattern)
-
Fasteners:
12-24 X 3/4" undercut self drilling, thread forming tek machine screws
-
Standard Lengths:
79", 83", 85", 95" and 120" + Custom Sizes Available
-
Fire Rating
- Approved for use on metal swinging type fire doors rated up to and including 90 minutes (Specifiy "FR" option for 3 hour rating)
- Approved for use on wood swinging type fire doors rated up to and including 60 minutes (Specifiy "FR" option for 90 minute rating)
-
Reinforcement:
- Door Side: Not required for door weight up to 200 lbs. ABH recommends a minimum 12 gauge plate/channel for heavier doors.
- Frame Side: Not required for door weight up to 200 lbs. For doors more than 200 lbs., a 16 gauge channel is recommended.
Cut Sheets
Templates
- A111HD/A111LL Aluminum Continuous Gear Hinges Full Mortise
- A111HD "AHT" Advanced Hospital Tip
- A111HD-EA Option, Easy Access Concealed Electrification
- A111HD-EA & R, Electrical Modification With Removable Option
- A111HD "EM" Option, Concealed Electrical Magnet Monitoring Switch
- A111HD "EA" Option Easy Access Concealed Electrification With "EM" Option Full Concealed Aluminum Geared Hinge
- Powder Coat Masking for Full Concealed Aluminum Continuous Geared Hinges
- Fire Rated Studs for Full Concealed Aluminum Geared Hinge
- Full Concealed Installation Instructions
- Auburn University - Spec
Tech Memos
Cross Reference Charts
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 1445 reviews
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Product Reviews
★★★★★ 5
Easy to install and works perfectly
Great price. It does what it's supposed to do. Keeps my air flow clean. Super easy to install, I can't believe mechanics charge to do this. Once you see how easy it is, you'll save yourself that expense. The material is top-quality charcoal, so it cleans all the nasty mold particles from getting into the vehicle. There is no smell, and that is a plus.
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Reviewed in the United States on January 1, 2026
★★★★★ 5
Perfect fit
Perfect fit and good construction
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Better then OEM
Size: (Pack of 1)
I’m writing this for my 2022 Honda Accord Sport 2.0T.. Honda wanted to charge me $85 to replace the air filter, immediately after I bought this filter for $17. Just changed it 5 minutes ago and let me tell you, it was identical to the oem Honda filter. Fit perfectly, quality was same if not better then the original one. Functions amazing and air quality is great. Car definitely felt happy after replacing it. 10/10
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Reviewed in the United States on July 20, 2025
★★★★★ 5
Direct replacement
Size: (Pack of 1)
Direct replacement on my 2020 Accord 2.0T. Fit just like factory.
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Reviewed in the United States on February 23, 2026
★★★★★ 5
Routine Maintenance
Size: (Pack of 1)
This is my go-to replacement when I conduct maintenance on my personal vehicle. The item is amazingly easy to install (use YouTube tutorials if necessary).
The quality and value for the money is better than what I can receive at my local service center.
The option to order this every six months as Subscribe & Save is worth it!
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Reviewed in the United States on May 26, 2025