Hager 1751 4" x 4" Steel Full ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$32.34
$13.99
Hager Hager 1751 Pair of 4" x 4" 1/4" Radius Corner Steel Full Mortise Residential Spring Hinges HAG-1751

Hager 1751 4" x 4" Steel Full Mortise Spring Hinges with 1/4" Radius Corners

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Model: 1751426D
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$32.34
$13.99
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Hager 1751 4" x 4" Steel Full Mortise Spring Hinges with 1/4" Radius Corners

BHMA Grade 1 Certified Spring Hinges for Commercial Applications

The Hager 1751 spring hinges deliver professional-grade performance with BHMA Grade 1 certification and ANSI 4156.17 compliance. These 4" x 4" full mortise spring hinges feature 1/4" radius corners and 0.097" gauge steel construction for doors weighing 45-75 pounds. Supplied as a pair with mounting screws for complete installation convenience.

Professional Features & Benefits

  • BHMA Grade 1 Certification: ANSI 4156.17 and ANSI K51071F certified for commercial-grade reliability and code compliance.
  • Precision Dimensions: 4" x 4" size with 1/4" radius corners designed for standard commercial door applications.
  • Heavy-Duty Steel Construction: 0.097" gauge steel provides exceptional durability for medium-duty commercial use.
  • Door Weight Capacity: Engineered for doors weighing 45-75 pounds with reliable spring tension control.
  • Full Mortise Design: Recessed installation provides clean appearance and maximum security for professional applications.
  • Complete Hardware Package: Supplied as 2-pack with mounting screws for immediate installation.
  • Versatile Installation Options: Compatible with all spring hinge configurations or combination spring and ball bearing hinge setups.
  • Multiple Finish Options: Available in various finishes including US3, US4, US26D, and others for architectural coordination.

Technical Specifications

  • ANSI/BHMA: ANSI K81071F
  • Commercial/Residential: Commercial
  • Corner Style: 1/4" Radius Corners
  • Duty Level: Medium Duty
  • Features: Full Mortise, Spring Hinge, 5/8" Round Corner Radius, Standard Weight
  • Knuckles: 3
  • Material: SteelMaximum Door Thickness 45-75 lbs. Notes For maximum versatility use all spring hinges or a combination of spring hinges and ball bearing hinges. Do not use plain bearing hinges. Full spring tension may not be required on all hinges. Strong wind conditions, drafts, carpeting drag, twisted/misaligned Packaging: 2 pack with screws
  • 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 spring hinges deliver professional-grade reliability with BHMA Grade 1 certification and 0.097" gauge steel construction rated for 45-75 pound doors. ANSI 4156.17 and ANSI K51071F compliance ensures code requirements are met. Engineered for demanding commercial applications where dependable performance and self-closing functionality are essential.

Support Resources

Manufacturer Resources

Product Specs

Knuckles:
3
Subcategory:
Full Mortise Hinges
Product Subgroup:
Spring Hinges
Features:
Full Mortise, Spring Hinge, 5/8" Round Corner Radius, Standard Weight
ANSI/BHMA:
ANSI K81071F
Duty Level:
Medium Duty
Product Group:
Door Hinges and Pivots
Product Type:
Spring Hinges
Commercial/Residential:
Commercial
Corner Style:
1/4" Radius Corners
Product Model:
1251
Product Function:
Spring Hinges
Product Category:
Door Hinges and Pivots
Product Substrate:
Steel
Department:
Door Hardware

Hager 1751426D – Frequently Asked Questions

How fast can I get the Hager 1751426D 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 1751426D come with a warranty?
Absolutely. The Hager 1751426D 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 1751426D?
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 1751426D 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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