Hager BB1173 Half Surface Ball...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$94.18
$47.24
Hager Hager BB1173 Half Surface Ball Bearing Hinge, Standard Weight, 4-1/2", Steel, 5 Knuckle HAG-BB1173

Hager BB1173 Half Surface Ball Bearing Hinge - 4-1/2" Steel Commercial Grade with 5 Knuckles

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Model: HAG-BB1173 4-1/2 US26D
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$94.18
$47.24
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Hager BB1173 Half Surface Ball Bearing Hinge - 4-1/2" Steel Commercial Grade with 5 Knuckles

Professional Half Surface Hinge Solution for Commercial Applications

The Hager BB1173 half surface ball bearing hinge delivers reliable performance for regular weight hollow metal or wood composite doors with hollow metal frames requiring medium frequency service. This 4-1/2" steel hinge features dual ball bearings and 5-knuckle construction with ANSI A8412 certification. The reversible design accommodates 1-3/8" doors with beveled surface leaf construction and non-rising removable pin with button tip and plug for secure operation.

Professional Features & Benefits

  • Dual Ball Bearing System: Two precision ball bearings provide smooth, long-lasting operation and reduced friction for consistent door movement.
  • 5-Knuckle Construction: Enhanced strength and stability with five knuckles distributing load evenly across the hinge for commercial durability.
  • Half Surface Design: One leaf mortised in frame, other surface applied to door face - ideal for wood doors with wood frames or metal core doors with hollow metal frames.
  • Reversible Configuration: Field-reversible design allows installation on left or right-hand doors for installation flexibility.
  • ANSI A8412 Certified: Meets ANSI/BHMA standards for commercial-grade performance and reliability in medium duty applications.
  • Steel Construction: Durable steel construction with steel pin provides exceptional strength for regular weight door applications.
  • Non-Rising Removable Pin: Button tip and plug design allows easy pin removal for maintenance while preventing accidental pin displacement during operation.
  • Multiple Finish Options: Available in USP, US10, US10A, US10B, and US26D finishes to match various architectural requirements.
  • Two ball bearings. Non-rising removable pin with button tip and plug.

Technical Specifications

  • ANSI/BHMA: ANSI A8412
  • Applications: For use on regular weight hollow metal or wood composite doors with hollow metal frames requiring medium frequency service.
  • Bearing Type: Ball Bearing
  • Certifications: ANSI A8412
  • Commercial/Residential: Commercial
  • Duty Level: Medium Duty
  • Fastener Size - Machine: Door Leaf: 1/2" x 12-20" FH.
  • Features: Half Surface, 5-Knuckle, Ball 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" and frame compatibility for half surface mounting.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door face and frame mortise area.
  3. Prepare door and frame by drilling required holes for 1/2" x 12-20" FH machine screws on door leaf and mortising frame leaf as specified.
  4. Install mounting hardware including thru-bolts and grommets for wood door applications, securing the hinge to door and frame per manufacturer torque specifications.
  5. Adjust hinge alignment ensuring beveled surface leaf properly contacts door edge and verify smooth operation throughout full door swing.
  6. Test hinge 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 and deliver professional-grade reliability with steel construction and dual ball bearing operation. The BB1173 features ANSI A8412 certification for medium duty commercial applications. Engineered for demanding commercial applications where dependable performance and architectural compliance are essential.

Full mortise commercial hinge engineered to meet or exceed ANSI standards for door weight, frequency of use, and finish durability.

Support Resources

Manufacturer Resources

Product Specs

Subcategory:
Half Surface Commercial Hinges
Knuckles:
5
Product Group:
Door Hinges and Pivots
Product Subgroup:
Half Surface Hinges
Product Type:
Half Surface Hinges
Features:
Half Surface, 5-Knuckle, Ball Bearing, Standard Weight
ANSI/BHMA:
ANSI A8412
Duty Level:
Medium Duty
Bearing Type:
Ball Bearing
Commercial/Residential:
Commercial
Product Model:
BB1173
Product Size:
4.5" x 4.5"
Product Category:
Door Hinges and Pivots
Product Substrate:
Steel
Department:
Door Hardware

Hager HAG-BB1173 4-1/2 US26D – Frequently Asked Questions

How fast can I get the Hager HAG-BB1173 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-BB1173 4-1/2 US26D come with a warranty?
Absolutely. The Hager HAG-BB1173 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-BB1173 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-BB1173 4-1/2 US26D from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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