Hager 1173 Half Surface Plain ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$59.45
$26.10
Hager Hager 1173 Half Surface Plain Bearing Hinge, Standard Weight, 4-1/2", Steel, 5 Knuckle HAG-1173

Hager 1173 Half Surface Plain Bearing Hinge - 4-1/2" Steel Commercial Grade with 5 Knuckle Design

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Model: HAG-1173 4-1/2 US26D
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$26.10
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Hager 1173 Half Surface Plain Bearing Hinge - 4-1/2" Steel Commercial Grade with 5 Knuckle Design

Professional Half Surface Hinge Solution for Commercial Applications

The Hager 1173 Half Surface Plain Bearing Hinge delivers reliable performance for regular weight hollow metal or wood composite doors with hollow metal frames requiring low frequency service. This 4-1/2" steel hinge features a 5-knuckle design with plain bearing construction, certified to ANSI A8433 standards for commercial applications. The half surface mounting configuration provides one leaf mortised in the frame with the other surface applied to the door face.

Professional Features & Benefits

  • Half Surface Design: One leaf mortised in frame, other surface applied to door for versatile installation on wood doors with wood frames or metal core doors with hollow metal frames.
  • 5-Knuckle Construction: Provides enhanced stability and load distribution for reliable door operation in commercial environments.
  • Plain Bearing Operation: Standard weight bearing system designed for low to medium frequency service applications.
  • Steel Construction: Durable steel construction with steel pin ensures long-term performance in demanding commercial applications.
  • ANSI Certified: Meets ANSI A8433 standards for commercial hinge performance and reliability.
  • Non-Rising Removable Pin: Features button tip and plug design for easy maintenance and door removal when required.
  • Reversible Design: Can be configured for left or right hand applications, providing installation flexibility.
  • Multiple Finish Options: Available in USP, US10, US10A, US10B, and US26D finishes to match various architectural requirements.
  • Non-rising removable pin with button tip and plug.;

Technical Specifications

  • ANSI/BHMA: ANSI A8433
  • Applications: For use on regular weight hollow metal or wood composite doors with hollow metal frames requiring low frequency service..
  • Bearing Type: Plain Bearing
  • Certifications: ANSI A8433;
  • Commercial/Residential: Commercial
  • Duty Level: Medium Duty
  • Fastener Size - Machine: Door Leaf: 1-3/4" x 10-24" OH. Jamb Leaf: 1/2" x 12-24" FH.
  • Features: Half Surface, P5-Knuckle, lain Bearing, Standard Weight
  • Finishes: USP, US10, US10A, US10B, US26D;
  • Knuckles: 5;
  • Material: Steel with Steel Pin;
  • Notes: Beveled surface leaf
  • Subcategory: Half surface Commercial Hinges

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness of 1-3/8" (use 3-1/2" or 4" hinge) and frame compatibility for half surface mounting.
  2. Use manufacturer-provided templates to mark mortise location on frame and surface mounting position on door accurately.
  3. Prepare frame by mortising one leaf location and mark door surface for the beveled surface leaf mounting.
  4. Install frame leaf in mortise and secure surface leaf to door using appropriate fasteners: Door Leaf 1-3/4" x 10-24" OH, Jamb Leaf 1/2" x 12-24" FH. Use thru-bolts and grommets for wood door applications.
  5. Adjust hinge alignment for proper door operation and verify smooth swing throughout full range of motion with non-rising removable pin properly seated.
  6. Test door 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 commercial hinges are manufactured in accordance with ANSI/BHMA A156.1 standards, ensuring reliable performance in demanding commercial applications. The steel construction with steel pin provides durability for medium duty applications, while the ANSI A8433 certification confirms compliance with industry performance standards. Engineered for commercial environments where dependable door operation is essential.

Product Specs

Knuckles:
5
Subcategory:
Half surface Commercial Hinges
Product Group:
Door Hinges and Pivots
Product Subgroup:
Half Surface Hinges
Product Type:
Half Surface Hinges
Features:
Half Surface, P5-Knuckle, lain Bearing, Standard Weight
ANSI/BHMA:
ANSI A8433
Duty Level:
Medium Duty
Bearing Type:
Plain Bearing
Commercial/Residential:
Commercial
Product Model:
1173
Product Function:
Plain Bearing
Product Size:
4.5" x 4.5"
Product Category:
Door Hinges and Pivots
Product Substrate:
Steel
Department:
Door Hardware

Hager HAG-1173 4-1/2 US26D – Frequently Asked Questions

1) Will the Hager 1173 hinge work on a 1-3/8 inch door?
Not at 4-1/2 inches. The 1173 is a 4-1/2 x 4-1/2 inch hinge, and Hager calls for a 3-1/2 inch or 4 inch hinge on a 1-3/8 inch door. The 4-1/2 inch size is sized for standard 1-3/4 inch commercial doors. If your openings are 1-3/8 inch, order the smaller size in the same family rather than this one.
2) Is the Hager 1173 hinge heavy enough for a high traffic door?
No. The 1173 is a standard weight, plain bearing, medium duty hinge, and Hager specifies it for low frequency service on regular weight hollow metal or wood composite doors. Plain bearing means no ball or anti-friction bearing between the knuckles, so it isn't built for the cycle count on a main entry, a stairwell, or a restroom door in a school. For those openings you want a ball bearing hinge, and for a heavy or lead-lined door you want heavy weight. Interior offices, closets, and back-of-house doors are where the 1173 belongs.
3) What screws come with the Hager 1173 half surface hinge and do I need anything else for a wood door?
Machine screws are specified for both leaves: 1-3/4 inch x 10-24 oval head for the door leaf, and 1/2 inch x 12-24 flat head for the jamb leaf. On a wood door, Hager calls for thru-bolts and grommets through the door instead of relying on the surface screws alone, so budget for those as a separate line. On hollow metal, the surface leaf screws into the tapped door face.
4) Is the BEST F173 hinge a direct substitute for a Hager 1173?
The two land in the same place. The BEST F173 is a steel half surface hinge with a removable pin and plain bearing, and the Hager 1173 is a half surface plain bearing hinge in steel with a steel pin and a 5 knuckle barrel. Both are rated medium duty, so both are aimed at regular weight hollow metal or wood composite doors in hollow metal frames on low frequency openings. If you are matching an existing half surface opening rather than specifying new, confirm the leaf size you need is available in the line you order - the Hager side is offered at 4-1/2 inch x 4-1/2 inch. Finish is where the two diverge in practice: order the F173 in the finish code that matches what is already hung.
5) The frame is beat up and will not take a clean mortise - what hinge should I use instead of a full mortise?
That is the case the half surface pattern is built for. The Hager 1173 mortises only one leaf into the frame and surface applies the other leaf, beveled, to the face of the door, so the door face carries no mortise at all. The BEST F173 is the same half surface arrangement in steel. Where a full mortise hinge needs both the frame and the door edge routed to depth, half surface halves that prep, which is why it is the usual answer on a retrofit where the door face is sound but you do not want to cut it. It is not a fix for a frame that will not hold screws - the frame leaf still mortises in.
6) Do I have to order the Hager 1173 hinge handed, left or right?
No handing to specify. The 1173 is reversible and works on a left hand or right hand opening as-is, so you can stock one part number across a building instead of splitting your order. The pin is non-rising and removable with a button tip and plug, so the door still comes off without pulling the hinge.
7) Does the Hager 1173 meet an ANSI standard for a commercial spec job?
The 1173 carries an ANSI A8433 certification, which is the designation to put on a submittal or a hardware schedule when the spec calls for a certified commercial hinge. It's built for commercial use, steel leaves with a steel pin, five knuckles.
8) Is there an equivalent to the Hager 1173 half surface hinge from another brand?
The BEST F173, part of the BEST Architectural Hinges series, is the closest cross-brand match we carry: a steel half surface hinge with a plain bearing and a removable pin, rated medium duty the same as the 1173. Same construction type, same duty level. Where the two differ is finish range, so pick on the finish you need to match.
9) Can I get the Hager 1173 with electric transfer for an access control door?
The 1173 as built is a plain mechanical hinge, no wiring. Hager does publish a concealed electric hinge modification document covering how their commercial hinges are modified for power transfer, and separate installation instructions for electric hinges. If the opening needs power to an electric strike or an electrified lever, plan on an electric transfer hinge or a separate power transfer device rather than this one.
10) I need to replace a hinge from another manufacturer, does the Hager 1173 cross over?
Hager maintains a commercial hinge cross reference that maps competitor hinge numbers to the equivalent Hager model, and the 1173 is listed in that commercial half surface line. Pull the number stamped on the existing hinge leaf and check it there before ordering, and confirm your existing frame is prepped for a mortised jamb leaf, since the 1173 needs that prep on the frame side even though the door side is surface applied.
11) Is a half surface hinge the same thing as a half mortise or a full surface hinge?
No, and the three are not interchangeable on the same prep. The Hager 1173 is half surface: the frame leaf mortises into the jamb and the beveled leaf surface applies to the face of the door. A half mortise reverses that - the leaf mortises into the door edge and the other leaf surface applies to the frame. A full surface applies both leaves, nothing mortised. The BEST F173 is half surface as well, so it lands on the same prep as the 1173. If the existing hinge shows a routed door edge and a flat leaf screwed to the jamb face, you are looking at half mortise and a half surface hinge will not drop in.
12) We are hanging a heavy traffic entry door - is a plain bearing half surface hinge the right pick?
Match the bearing to the traffic, not just the mounting. The Hager 1173 is a plain bearing, standard weight hinge specified for low frequency service and rated medium duty; the BEST F173 is likewise a plain bearing hinge at medium duty. Plain bearing means the knuckles ride metal on metal, which suits an office, a classroom, or a tenant door that cycles a moderate number of times a day. A high cycle entrance, a heavy door, or a door on a closer is ball bearing territory - specify a ball bearing hinge in the weight class the door calls for and keep the half surface mounting if the frame prep demands it.
13) For a facility standard, does specifying the Hager 1173 or the BEST F173 change what I can hold contractors to?
Both are commercial architectural half surface hinges at medium duty, so either one holds the same line in a spec. The Hager 1173 carries an ANSI/BHMA A8433 certification and is designated for commercial use, which is the number a submittal reviewer looks for on a hinge schedule. The BEST F173 sits in the Architectural Hinges series at medium duty. If your standard is written to a certification number, write A8433 into it and the Hager 1173 answers it directly; if it is written to a mounting type and duty level, both parts qualify and you can second source between them.
14) Do I need to order left hand and right hand versions when standardizing across a building?
Not with either of these. The Hager 1173 is reversible and configures for left or right hand openings, so one part number covers both swings and you can stock a single line item across a floor. The BEST F173 is a half surface hinge with a removable pin, which is what lets you pull a door without unscrewing leaves during a turnover. Standardizing on a reversible half surface hinge means the difference between openings comes down to leaf size and finish, not handing.
15) What finishes does the Hager 1173 hinge come in, and can I get one I can paint to match the frame?
Five finishes: 600 primed for painting, 612 satin bronze, 613 satin bronze oil-rubbed, 626 satin chrome, and US10A antique bronze. The 600 primed option is the one to order when you're painting hinges to match a frame color, which is common on hollow metal openings that get field-painted. 626 satin chrome is the standard match for most commercial lever and closer hardware.
16) How many Hager 1173 hinges do I need per door and where do they go?
Hager publishes a standard hinge locations sheet for laying out the leaf positions on the frame and door, and a half surface size options sheet for confirming the 4-1/2 inch size against your door. Use the manufacturer templates to mark the frame mortise and the surface leaf position before you cut anything, since the surface leaf on the 1173 is beveled and only sits correctly one way.
How fast can I get the Hager HAG-1173 4-1/2 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-1173 4-1/2 US26D come with a warranty?
Absolutely. The Hager HAG-1173 4-1/2 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-1173 4-1/2 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-1173 4-1/2 US26D from ZenSupply?
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