Hager BB1279 Full Mortise Ball...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$58.81
$8.41

Hager BB1279 Full Mortise Ball Bearing 5 Knuckle Hinge

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Model: BB1279-4.5X4.5-US26D
$58.81
$8.41
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$58.81
$8.41
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HAGER BB1279 FULL MORTISE SPRING HINGE
 

Applications: For use on medium weight doors or doors requiring medium frequency service.

Certifications: ANSI A8112

Finishes: USP, US3, US4, US10, US10A, US10B, US26D

Electric Modifications: EMN (Electric Monitor Only), ETW (Electric Through-Wire Only), ETM (Electric Through-Wire with Monitoring), Quick Connect

Knuckles: 5

Features: Two ball bearings. Non-rising removable pin with button tip and plug.

Fire Rating: Complies with NFPA80 requirements for use on fire rated door assemblies.

Notes:

  • Available with reversible hole pattern.

Material: Steel with Steel Pin.

Options: 

  • 3-1/2" x 3-1/2" (89 mm x 89 mm) available with reversible hole pattern.
  • NRP (Non-removable pin).
  • Stamped with UL logo when ordered for export.

 

HAGER COMMERCIAL HINGES

Today, the Hager name is synonymous with architectural hinges. In fact, they are the industry’s premiere designer and manufacturer of architectural hinges, with a product line that offers one of the widest varieties of sizes, shapes, and finishes--all of which meet or exceed ANSI standards.
  • Hinges are manufactured in accordance with ANSI/BHMA A156.1. Self-closing hinges and pivots are in accordance with ANSI/BHMA A156.17 using three hinges per opening on a 3’0” x 7’0” x 1-3/4” (914 mm x 2134 mm x 44 mm) door. 
  • Round corners are available in 1/4” (6 mm) (standard) or 5/8” (16 mm) radius.
  • Full Mortise Both leaves are mortised, one leaf in the door and one leaf in the frame (wood door or hollow metal door with wood frame or hollow metal frame). Example: BB1279, 4-1/2” x 4-1/2” (114 mm x 114 mm), US26D.
  • Half Mortise One leaf is mortised in the door and the other is surface applied to the frame (hollow metal door with channel iron frame). Example: BB1109, 4-1/2” (114 mm), US26D;
  • Full Surface Both leaves are applied to the surface, one to the door and the other to the frame (metal core door or hollow metal door with channel iron frame). Example: BB2171, 5” (127 mm), USP.
  • Half Surface One leaf is mortised in the frame and the other is surface applied to the face of the door (wood door with wood frame or metal core door with hollow metal frame) Example: BB1163, 5” (152 mm), US26D.
 
RESOURCES & DOWNLOADS

Size Options

Manufacturer Resources

Product Specs

Category:
Door Hinges and Pivots
Subcategory:
Full Mortise Hinges
Substrate:
Steel
Knuckles:
5
Product Group:
Door Hinges and Pivots
Product Subgroup:
Full Mortise Hinges
Product Type:
Full Mortise Hinges
Features:
Two ball bearings. Non-rising removable pin with button tip and plug.
ANSI/BHMA:
ANSI A8112
Series:
BB1279
Duty Level:
Medium Duty
Bearing Type:
Ball Bearing
Commercial/Residential:
Commercial
Electronic:
No

Hager BB1279-4.5X4.5-US26D – Frequently Asked Questions

How fast can I get the Hager BB1279-4.5X4.5-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 the door closer 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 BB1279-4.5X4.5-US26D come with a warranty?
Absolutely. The Hager BB1279-4.5X4.5-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 BB1279-4.5X4.5-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 BB1279-4.5X4.5-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.

Product Reviews

  • 5
    Hager Hinges

    Posted by Troy Smith on May 7th 2025

    Zen has a wide variety of hardware at a good price with quick shipping. The hinge is exactly what was needed.