Hager 1252 Full Mortise Spring...
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$50.91
Hager 1252 Full Mortise Spring Hinge with 5/8" Round Corners - Standard Weight Steel Construction

Hager 1252 Full Mortise Spring Hinge with 5/8" Round Corners - Standard Weight Steel Construction

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Model: HAG-1252 4x4 US26D
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Hager 1252 Full Mortise Spring Hinge with 5/8" Round Corners - Standard Weight Steel Construction

Professional Self-Closing Door Hardware Solution

The Hager 1252 Full Mortise Spring Hinge delivers reliable self-closing performance with standard weight steel construction and 5/8" round corner radius design. This 3-knuckle spring hinge meets ANSI K81071F certification standards and accommodates doors up to 7'0" height with proper installation. Available in multiple finish options including USP, US3, US4, US10, US10A, US10B, and US26D to match various architectural requirements.

Professional Features & Benefits

  • 5/8" Round Corner Radius: Provides smooth, professional appearance with reduced stress concentration for enhanced durability in commercial applications.
  • Standard Weight Construction: Steel with steel components engineered for medium-duty commercial use with reliable spring tension performance.
  • 3-Knuckle Design: Balanced load distribution and smooth operation throughout the door swing cycle for consistent self-closing action.
  • ANSI K81071F Certification: Meets stringent industry standards for spring hinge performance and reliability in commercial installations.
  • Full Mortise Installation: Both leaves mortise into door and frame for clean, professional appearance and maximum structural integrity.
  • Multiple Finish Options: Available in USP, US3, US4, US10, US10A, US10B, and US26D finishes to coordinate with existing hardware and architectural specifications.
  • Versatile Fastener Compatibility: Accommodates both machine screws (12-24 x 1/2") and wood screws (12 x 1-1/4") for various frame materials and installation requirements.
  • Optional Configurations: Available with hospital tip (HT) or raised barrel (RBB/RBS) options to meet specific application needs and UL requirements where applicable.

Technical Specifications

  • ANSI/BHMA: ANSI K81071F
  • Certifications: ANSI K81071F;
  • Commercial/Residential: Commercial
  • Duty Level: Medium Duty
  • Fastener Size - Machine: 12-24 x 1/2";
  • Fastener Size - Wood: 12 x 1-1/4";
  • Features: Full Mortise, Spring Hinge, 5/8" Round Corner Radius, Standard Weight
  • Finishes: USP, US3, US4, US10, US10A, US10B, US26D;
  • Knuckles: 3;
  • Material: Steel with Steel Components;
  • Notes: Hager does not recommend using spring hinges on doors over 7'0".;
  • Options: Available with hospital tip (HT) - voids UL.
  • Subcategory: Full Mortise Hinges

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness, frame material compatibility, and maximum door height of 7'0" for this spring hinge model.
  2. Use manufacturer-provided templates to mark mortise locations accurately on both door edge and frame, ensuring proper alignment for 5/8" round corner radius.
  3. Prepare door and frame by routing mortise pockets to specified depth and drilling pilot holes for fasteners per manufacturer instructions.
  4. Install hinge leaves using appropriate fasteners: 12-24 x 1/2" machine screws for metal frames or 12 x 1-1/4" wood screws for wood frames, following manufacturer torque specifications.
  5. Adjust spring tension as needed, noting that full spring tension may not be required on all hinges when using multiple spring hinges or combination with ball bearing hinges.
  6. Test door operation to verify proper self-closing function and make final adjustments considering wind conditions, carpeting drag, or weatherstripping that may require additional spring hinges. 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 steel construction and ANSI K81071F certification for demanding commercial applications. Manufactured in accordance with ANSI/BHMA A156.1 standards, these hinges provide consistent self-closing performance with multiple finish options to meet architectural specifications. Engineered for medium-duty commercial use where dependable door control and professional appearance are essential.

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
Product Model:
1252
Product Function:
Spring Hinges
Product Category:
Door Hinges and Pivots
Product Substrate:
Steel
Department:
Door Hardware

Hager HAG-1252 4x4 US26D – Frequently Asked Questions

1) Will the Hager 1252 spring hinge work on a door taller than 7 feet?
No. Hager does not recommend spring hinges on doors over 7'0", and the 1252 is a standard weight, medium duty hinge. For a taller or heavier leaf, use a surface or concealed door closer with standard ball bearing hinges instead.
2) Does the Hager 1252 fit a door and frame prepped for 5/8 inch radius corner hinges?
Yes, that is exactly the prep it is made for. The 1252 has a 5/8" round corner radius on both leaves and is full mortise, so both leaves drop into the existing door edge and frame mortise. If your existing pockets are square corner, the 1252 will leave a gap at the corners, and you want a square corner spring hinge instead.
3) How many spring hinges do I need on one door?
It depends on the opening, not just the door. Spring tension on the 1252 is adjustable, and full tension is not required on every hinge when you use several spring hinges together or mix them with ball bearing hinges. Wind load, carpet drag, and weatherstripping all add resistance and may call for an additional spring hinge on the leaf.
4) Is the Hager 1252 spring hinge ANSI certified for commercial work?
It carries ANSI K81071F and is built to ANSI/BHMA A156.1, rated commercial and medium duty. That is the number to cite on a submittal for a self-closing steel spring hinge.
5) Does the hospital tip option affect the fire rating on a Hager 1252?
Yes. Hospital tip (HT) is available on the 1252, but ordering it voids the UL listing. On a fire rated opening, skip HT and specify the standard tip. Raised barrel (RBB/RBS) is the other option offered.
6) My frames are prepped for square corner hinges, not radius. What spring hinge should I order instead of the Hager 1252?
The Hager 1252 carries a 5/8 inch round corner radius, so it will not sit correctly in a square corner mortise. For square corner prep, the McKinney 1502 is a square corner full mortise standard weight spring hinge in 4-1/2 inch by 4-1/2 inch, medium duty, and the Orca Hardware SPR4040 is a 4 inch by 4 inch square corner spring hinge, also medium duty. Match the size to the existing cutout.
7) The door needs to swing both directions. Will the Hager 1252 work?
No. The Hager 1252 is a single-swing full mortise spring hinge that mortises into the door and frame. For a door that swings both ways, the Deltana DASH95 is a double action spring hinge with solid brass cover plates, and the Deltana DASHS is a double action saloon hinge sold each in 4 inch, 5 inch and 6 inch heights.
8) The door is heavier than medium duty and taller than 7 feet. What self-closing hinge works instead of the Hager 1252?
Hager does not recommend spring hinges on doors over 7 feet, and the 1252 is a medium duty standard weight steel hinge. For heavier leaves, the SOSS invisible spring closer hinges are heavy duty: the 216IC carries a 20 minute fire rating, the 218IC is a 7 inch hinge requiring a 1-3/4 inch minimum door thickness, and the 220IC is a 7 inch model with a 20 minute fire rating and a 2 inch minimum door thickness. These mortise into the door edge and frame rebate and are concealed when the door is closed, so they need a different prep than a butt hinge.
9) What is the closest equivalent to the Hager 1252 spring hinge in a 4 inch by 4 inch size with 5/8 inch radius corners?
The Orca Hardware SPR4058 is a 4 inch by 4 inch spring hinge with a 5/8 inch radius corner, from the 4058 Series, and is rated medium duty. The Hager 1252 is a full mortise spring hinge with a 5/8 inch round corner radius, medium duty, and is offered in a 4 inch by 4 inch size as well as 4-1/2 inch by 4 inch. If the door and frame are already prepped for a 5/8 inch radius corner, both drop into that prep at the 4 by 4 size.
10) What screws come into play when mounting a Hager 1252 in a hollow metal frame versus a wood frame?
The 1252 takes 12-24 x 1/2" machine screws for metal frames and 12 x 1-1/4" wood screws for wood doors and frames, so one hinge covers both substrates. Hollow metal frames need to be tapped for the machine screws.
11) What sizes and finishes does the Hager 1252 come in?
Two sizes, 4" x 4" and 4-1/2" x 4". Both are offered in 600 primed for painting, 605 bright brass, 606 satin brass, 612 satin bronze, 613 oil-rubbed satin bronze, 626 satin chrome, and US10A antique bronze, so you can match the butt hinges already on the other openings.
12) What is a radius corner spring hinge alternative to the Hager 1252 in 4 x 4?
The Orca Hardware SPR4058 is a 4" x 4" spring hinge with the same 5/8" radius corner, also medium duty, and the SPR4058Z is the same hinge in a Z hole pattern. If your prep is a 1/4" radius instead, the Orca SPR4014 covers that, and the SPR4040 is the square corner version.
13) Is the Orca SPR4058Z the same thing as the Hager 1252?
They are close but not identical in prep. The Orca SPR4058Z is a 4 inch by 4 inch spring hinge with a 5/8 inch radius corner using a Z hole pattern, while the standard Orca SPR4058 in the same size and radius uses the conventional pattern. The Hager 1252 is a full mortise 5/8 inch round corner spring hinge that takes 12-24 x 1/2 inch machine screws or 12 x 1-1/4 inch wood screws. Confirm the screw hole layout against your frame before substituting a Z pattern hinge.
14) I need a spring hinge where the pin can be pulled to take the door off. Does the Hager 1252 do that, and what else should I look at?
The Hager 1252 is a 3-knuckle full mortise spring hinge in standard weight steel. If removable pin operation is the priority, the BEST RD2060R is a plain bearing spring hinge with a removable pin in a radius corner standard weight configuration, and the BEST 2060R is the square corner version of the same removable pin spring hinge. Both are medium duty, matching the 1252's duty level. Pick the corner style that matches your existing prep.
15) Can I use the Hager 1252 on toilet partition doors?
The Hager 1252 is a commercial full mortise butt-style spring hinge sized 4 inch by 4 inch and 4-1/2 inch by 4 inch, intended for door and frame mortise prep. Toilet partitions are usually hinged with spring loaded continuous hinges instead: the Pemko Markar FM400 and FM900 Series are full mortise spring loaded continuous hinges rated for an 80 pound load, and the Pemko FS402 and FS902 Series cover the same 80 pound capacity, with the FS902 in 304 stainless steel. Those run the height of the partition door rather than mounting at three points.
16) Is the Hager 1252 a solid brass hinge or plated steel?
Steel with steel components, with the brass and bronze finishes applied as a plating. If you need solid brass, this is not it, and in a coastal or wash-down environment steel is the wrong substrate regardless of finish.
How fast can I get the Hager HAG-1252 4x4 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-1252 4x4 US26D come with a warranty?
Absolutely. The Hager HAG-1252 4x4 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-1252 4x4 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-1252 4x4 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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