Hager AB750 Full Mortise Heavy...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$101.19
$33.96
Hager Hager AB750 Full Mortise Concealed Anti-Friction Bearing Hinge, Heavy Weight, Steel, 3 Knuckle HAG-AB750

Hager AB750 Full Mortise Heavy Weight Concealed Anti-Friction Bearing Hinge with 3 Knuckle Steel Construction

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Model: HAG-AB750 4-1/2x4-1/2 US26D
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$101.19
$33.96
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Hager AB750 Full Mortise Heavy Weight Concealed Anti-Friction Bearing Hinge with 3 Knuckle Steel Construction

Professional Heavy-Duty Door Hinge Solution

The Hager AB750 full mortise hinge delivers heavy-duty performance for high-frequency commercial door applications. This 3-knuckle steel hinge features concealed anti-friction bearings for smooth, reliable operation and is certified to ANSI A8111 standards. Designed for heavy weight doors requiring frequent service, the AB750 incorporates a non-rising removable pin with flush pin and plug design for professional installations.

Professional Features & Benefits

  • Heavy-Duty Construction: Steel construction with concealed anti-friction bearings provides exceptional durability for demanding commercial applications.
  • ANSI A8111 Certification: Meets stringent industry standards for commercial door hardware performance and reliability.
  • Full Mortise Design: Both leaves mortise into door and frame for clean, professional appearance and maximum strength.
  • 3-Knuckle Configuration: Optimized knuckle design provides proper load distribution and smooth operation for heavy doors.
  • Non-Rising Removable Pin: Flush pin and plug design allows for easy maintenance while preventing unauthorized removal.
  • Multiple Finish Options: Available in LS, USP, US3, US4, US10, US10A, US10B, US26, and US26D finishes to match architectural requirements.
  • Electric Modifications Available: Optional EMN (Electric Monitor Only), ETW (Electric Through-Wire Only), ETM (Electric Through-Wire with Monitoring), and Quick Connect configurations.
  • High-Frequency Service Rating: Engineered specifically for doors requiring frequent operation in commercial environments.
  • Non-rising removable pin with flush pin and plug.

Technical Specifications

  • ANSI/BHMA: ANSIA8111
  • Applications: For use with heavy weight doors or doors requiring high frequency service.
  • Certifications: ANSI A8111
  • Commercial/Residential: Commercial
  • Duty Level: Heavy Duty
  • Electric Modifications: EMN (Electric Monitor Only), ETW (Electric Through-Wire Only), ETM (Electric Through-Wire with Monitoring), Quick Connect.
  • Features: Full Mortise, Heavy Weight, Concealed Anti-Friction Bearing
  • Finishes: LS, USP, US3, US4, US10, US10A, US10B, US26, US26D
  • Knuckles: Material : Steel
  • Material: Steel
  • Subcategory: Full Mortise Hinges

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
  5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
  6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

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 Hager Quality?

Hager AB750 hinges deliver professional-grade reliability with steel construction and concealed anti-friction bearings rated for heavy-duty commercial applications. ANSI A8111 certification ensures compliance with industry performance standards. Engineered for demanding commercial applications where dependable performance and high-frequency operation are essential.

Product Specs

Subcategory:
Full Mortise Hinges
Knuckles:
3
Product Group:
Door Hinges and Pivots
Product Subgroup:
Full Mortise Hinges
Product Type:
Full Mortise Hinges
Features:
Full Mortise, Heavy Weight, Concealed Anti-Friction Bearing
ANSI/BHMA:
ANSI A8111
Duty Level:
Heavy Duty
Commercial/Residential:
Commercial
Product Model:
AB750
Product Function:
Concealed Bearing
Product Category:
Door Hinges and Pivots
Product Substrate:
Steel
Department:
Door Hardware

Hager HAG-AB750 4-1/2x4-1/2 US26D – Frequently Asked Questions

1) What sizes does the Hager AB750 hinge come in?
The AB750 heavy weight full mortise hinge is offered in four sizes: 4-1/2 x 4 inches, 4-1/2 x 4-1/2 inches, 5 x 4-1/2 inches, and 5 x 5 inches. The first number is the hinge height, the second the open width, so a 5 x 5 gives you extra leaf width when a thick door or deep frame reveal needs the door to clear trim on the swing. For standard 1-3/4 inch commercial doors up to 36 inches wide, 4-1/2 x 4-1/2 is the usual pick.
2) Do I need to specify handing when ordering a Hager AB750 hinge?
No handing to specify. The AB750 is a full mortise hinge with a non-rising removable pin, so the same hinge works on a left or right hand door. What you do have to get right is the size, the finish, and whether you need one of the electric modifications, since those are built into the hinge and cannot be added in the field.
3) How do I run power through the door for an electric strike or maglock without a visible loop?
Order the AB750 with one of its electric modifications instead of surface wiring. The options are ETW (electric through-wire only) to carry power to a device in the door, EMN (electric monitor only) to report door position back to the panel, ETM (through-wire with monitoring) when you need both, and Quick Connect for plug-together terminations. The wire runs concealed inside the hinge, so nothing shows on the frame. This is a factory modification, so pick it when you order.
4) Will the Hager AB750 mortise into my existing hinge pockets?
A full mortise hinge sets both leaves into routed pockets, one in the door edge and one in the frame rabbet, so it drops into an existing prep only where that prep matches the hinge size you order. Measure the existing pocket height and the open width of the hinge coming out, then order the AB750 in the matching size from 4-1/2 x 4, 4-1/2 x 4-1/2, 5 x 4-1/2, or 5 x 5. Corner radius matters too, so check whether your frame pockets are square or radiused before you cut anything.
5) What is the closest heavy weight full mortise hinge to the Hager AB750 if I need concealed bearings in stainless steel?
The AB750 is a heavy duty steel full mortise hinge with concealed anti-friction bearings. The closest concealed bearing heavy weight peer in stainless steel is the BEST CB223, a stainless steel concealed bearing heavy weight hinge, though it is a pivot reinforced hinge prepped for beveled edge doors rather than a standard square edge full mortise. For a straight full mortise concealed bearing heavy weight equivalent, the Stanley Security CB199 is the direct match.
6) Do I need a heavy weight hinge like the Hager AB750 on a standard interior office door?
The AB750 is built for heavy weight doors or doors requiring high frequency service, so on an ordinary interior door that sees normal traffic it is more hinge than the opening needs. The BEST 1900R is a steel full mortise concealed bearing standard weight hinge with a removable pin at medium duty, and the Stanley Security CB1960R is a full mortise concealed bearing standard weight hinge, also medium duty. Both keep the concealed bearing operation of the AB750 in a standard weight body.
7) Is a ball bearing hinge the same thing as the Hager AB750 concealed bearing hinge?
No. The AB750 uses concealed anti-friction bearings, which sit hidden inside the knuckle barrel and give the hinge a smooth 3 knuckle profile. A ball bearing hinge such as the Don-Jo BB74545, a 4-1/2 inch by 4-1/2 inch steel square corner 5 knuckle full mortise hinge, or the McKinney TCA2314 square corner 5 knuckle full mortise hinge, carries visible bearing races between the knuckles. They mortise into the same door and frame prep at matching sizes, but the knuckle count and the look of the barrel differ, and both of those Don-Jo and McKinney models are standard duty rather than heavy duty.
8) What heavy weight hinge should I spec if the architect calls for a 5 knuckle barrel instead of the Hager AB750 3 knuckle?
The AB750 is a 3 knuckle heavy weight hinge with concealed anti-friction bearings. When the drawing calls out a 5 knuckle barrel at the same duty level, the McKinney TCA3386 is a square corner 5 knuckle full mortise hinge in 4-1/2 inch by 4-1/2 inch, rated heavy duty. That matches the AB750 in both size and heavy weight rating while giving the 5 knuckle appearance the spec asks for.
9) I need a through-wire hinge for an electrified lock. Can I use the Hager AB750, or is there an alternative already wired?
The AB750 can be ordered with electric modifications, including ETW for electric through-wire only, ETM for through-wire with monitoring, EMN for monitoring only, and Quick Connect. If you would rather order a hinge that already carries the wiring, the ACSI 5BB1 is a 5 knuckle ball bearing full mortise hinge in 4-1/2 inch by 4-1/2 inch with concealed electric through-wire using 4 wires at 28 gauge. The AB750 route keeps the concealed anti-friction bearing and 3 knuckle configuration; the ACSI route is a ball bearing 5 knuckle body.
10) What is the difference between a concealed anti-friction bearing hinge like the Hager AB750 and a standard ball bearing hinge?
Both carry the door on bearings, but the AB750 hides them inside the knuckle rather than showing bearing races between the knuckles. It runs a 3-knuckle configuration, where a typical ball bearing butt like the Don-Jo BB74545 or McKinney TCA2314 is a 5-knuckle. The concealed style gives a clean, uninterrupted barrel on the frame side, which is what architects usually spec on visible openings. Function-wise you are choosing appearance and knuckle count, not load class, so match the duty level first.
11) Can the pin be pulled out of a Hager AB750 hinge from the corridor side?
The AB750 uses a non-rising removable pin with a flush pin and plug. Removable means a locksmith can service or rehang the door without taking the frame leaf off; the flush pin and plug construction is what keeps it from being lifted out casually. On a full mortise hinge the barrel sits on the pull side of an outswing door, so if you are securing an exterior outswing opening, that is the condition to look at rather than the pin type alone.
12) What finishes can I get the Hager AB750 hinge in to match the rest of my building?
Eight finishes, and every one is available across all four sizes: LS Luma Sheen, 600 primed for painting, 605 bright brass, 612 satin bronze, 613 satin bronze oil-rubbed, 625 bright chrome, 626 satin chrome, and US10A antique bronze. For a fleet of doors where the existing hardware is satin chrome, 626 is the match; 600 primed lets you paint the hinge to the frame color on a back-of-house opening.
13) I have a hinge schedule calling out a competitor's heavy weight concealed bearing hinge. Can I substitute Hager?
Hager publishes a commercial hinge cross reference that maps competitor part numbers to their equivalents, and the AB750 is the heavy weight concealed anti-friction bearing line in that family. Match on the four things that matter to the schedule: heavy duty class, concealed bearing, full mortise, and the called-out size and finish. Where the spec names a Stanley Security CB199 or a heavy weight McKinney TCA3386, you are in the same class of hinge.
14) How do the McKinney TCA2314 and TCA2317 compare to the Hager AB750 for a high traffic entry?
Both McKinney models are square corner 5 knuckle full mortise hinges in 4-1/2 inch by 4-1/2 inch at standard duty. The Hager AB750 is rated heavy duty and is intended for heavy weight doors or doors requiring high frequency service, with concealed anti-friction bearings. For a high traffic entry where the spec calls for McKinney, the TCA3386 is the heavy duty option in that same square corner 5 knuckle 4-1/2 by 4-1/2 form.
15) I only need a 4-1/2 by 4 inch hinge in satin chrome. What are my options next to the Hager AB750?
The Hager AB750 covers 4.5 inch by 4 inch in 626 satin chrome, as a heavy duty steel concealed anti-friction bearing hinge. A standard duty alternative in the same nominal size and finish is the Don-Jo BB74540, a 4-1/2 inch by 4 inch full mortise ball bearing hinge in satin chrome.
16) If I am standardizing a building on concealed bearing hinges, which models line up with the Hager AB750 across duty levels?
The Hager AB750 covers the heavy duty end as a steel full mortise concealed anti-friction bearing hinge certified to ANSI A8111 for commercial use. In the same concealed bearing family, the Stanley Security CB199 is a full mortise concealed bearing heavy weight hinge at heavy duty, and for the lighter openings the BEST 1900R and the Stanley Security CB1960R are full mortise concealed bearing standard weight hinges at medium duty. Specifying across that group keeps the concealed bearing barrel consistent through the building while matching each opening to its traffic.
17) Is the Hager AB750 a commercial hinge or is it fine for residential use?
It is a commercial grade hinge. The AB750 is classed commercial, built in steel, and certified to ANSI A8111. It will work on a residential door, but it is aimed at office buildings, schools, healthcare, retail, warehouses, multi-tenant residential, and government facilities where the door cycles constantly.
How fast can I get the Hager HAG-AB750 4-1/2x4-1/2 US26D 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 Hager HAG-AB750 4-1/2x4-1/2 US26D come with a warranty?
Absolutely. The Hager HAG-AB750 4-1/2x4-1/2 US26D 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 Hager HAG-AB750 4-1/2x4-1/2 US26D?
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
Why buy the Hager HAG-AB750 4-1/2x4-1/2 US26D from ZenSupply?
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