Hager 275D/276D Steel Surface ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$30.47
$29.95
Hager 275D Steel Surface Bolt - 8", 1/4" by 3/4" Bolt Size, 1" Bolt Throw, Universal and Angle Strikes Included

Hager 275D/276D Steel Surface Bolt with 1" Bolt Throw and Universal Strike System

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Model: 275D US26D
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$30.47
$29.95
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Hager 275D/276D Steel Surface Bolt with 1" Bolt Throw and Universal Strike System

Professional Fire-Rated Surface Bolt Solution

The Hager 275D/276D Steel Surface Bolt delivers reliable door securing performance with a 1" bolt throw and 1/4" by 3/4" bolt size for commercial applications. This UL listed surface bolt meets ANSI A156.16 standards and is certified for use on inactive leaf on a pair of 3-hour labeled fire doors. The steel construction features a 3/4" x 1/4" thick bar with 1-3/8" projection, and includes both mortise bottom strike and universal top strike for versatile installation options.

Professional Features & Benefits

  • Precision Bolt Specifications: 1/4" by 3/4" bolt size with 1" bolt throw provides secure engagement for reliable door positioning.
  • Fire-Rated Certification: UL listed for use on inactive leaf on a pair of 3-hour labeled fire doors ensures code compliance in critical applications.
  • Heavy-Duty Steel Construction: Steel material with 3/4" x 1/4" thick bar construction delivers exceptional durability for commercial use.
  • Universal Strike System: Includes both mortise bottom strike and universal top strike for flexible installation configurations.
  • Anti-Creep Design: Strong tension springs prevent bolt creep, maintaining consistent positioning and security.
  • ANSI Compliance: Meets ANSI A156.16 standards for L04161 or L84161 applications ensuring professional-grade performance.
  • Complete Hardware Package: Includes eight #10 x 1-1/4" FPHWS and eight #10 - 24 x 1" undercut FPHMS fasteners for immediate installation.
  • Multiple Finish Options: Available in US3, US10B, and US26D finishes to match existing door hardware aesthetics.

Technical Specifications

  • Bolt Throw: 1" (25 mm)
  • Box Quantity: 1
  • Case Quantity: 12
  • Certifications: UL listed for use on inactive leaf on a pair of 3-hour labeled fire doors
  • Commercial/Residential: Commercial
  • Fasteners: Eight #10 x 1-1/4" FPHWS Eight #10 - 24 x 1" undercut FPHMS
  • Finishes: US3, US10B, US26D
  • Material: Steel
  • Notes: Mortise bottom strike and universal top strike included
  • Projection: 1-3/8" (35 mm)
  • Subcategory: Surface, Barrel and Dutch Door Bolts

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/or 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 surface bolt products deliver professional-grade reliability with steel construction and UL listing for 3-hour fire door applications. The precision-engineered tension spring system prevents bolt creep while maintaining consistent security performance. Engineered for demanding commercial applications where dependable fire-rated door hardware performance is essential.

Manufacturer Resources

Installation Instructions

Product Specs

Fasteners:
Eight #10 x 1-1/4" FPHWS Eight #10 - 24 x 1" undercut FPHMS
Product Group:
Door Trim and Accessories
Commercial/Residential:
Commercial
Product Subgroup:
Surface, Barrel and Dutch Door Bolts
Product Type:
Surface Bolts
Subcategory:
Surface, Barrel and Dutch Door Bolts
Product Model:
275D/276D
Product Substrate:
Steel
Product Category:
Door Trim and Accessories
Department:
Door Hardware

Hager 275D US26D – Frequently Asked Questions

1) Will a 1 inch bolt throw be enough to engage my existing strike at the head and floor?
The bolt throws 1 inch (25 mm) and the bar is 1/4 by 3/4 inch, so it needs a strike hole that accepts a 1/4 by 3/4 inch bolt with at least 1 inch of depth behind it. Both strikes come in the box: a mortise bottom strike for a drilled or mortised floor condition and a universal top strike for the frame head. If the existing floor hole is shallower than 1 inch or is worn oversize, use the supplied mortise strike rather than trying to reuse the old one.
2) What length surface bolt should I order, 8 inch or 12 inch?
The 275D/276D comes in 8 inch and 12 inch bar lengths. Pick by reach: the 12 inch gives you more travel down the door face so the throw lever sits lower at the head or higher off the floor, which helps on tall doors or where you want the bottom bolt handle above debris and mop water. The 8 inch is the standard choice where the bolt lands in an easy spot. Both carry the same 1 inch throw and 1/4 by 3/4 inch bolt.
3) What else can I use if I need more than a 1 inch throw on the top bolt?
The Hager 275D throws 1 inch, which is enough for a standard head strike but short if you are reaching up into a deep frame or across a big gap. The Ives SB1600 is a heavy duty steel surface bolt with a 3-1/2 inch throw and a fire rating, and the Ives SB360 in a 12 inch length throws 1-1/4 inches. Both are steel heavy duty bolts of the same type, so the swap is a matter of throw and mounting footprint.
4) Do I need two Hager 275D bolts per pair of doors, one top and one bottom?
Yes, plan on two per inactive leaf. The bolt secures at one point, and the package includes a universal top strike and a mortise bottom strike, so one bolt goes up into the frame head and one goes down into the floor. Order two bolts and you will have a spare strike of each type left over.
5) Which solid brass surface bolts look like substitutes for the Hager 275D/276D but should not be used on a labeled fire door pair?
The Delaney solid brass surface bolt, the Delaney decorative solid brass surface bolt, and the Emtek 8511 solid brass surface bolt in 6 inch are all surface bolts, but they are solid brass decorative and residential-style bolts rather than the commercial steel bolt the Hager 275D/276D is. The Hager 275D/276D is a commercial steel bolt UL listed for the inactive leaf of a pair of 3-hour labeled fire doors and meeting ANSI A156.16. If the opening is labeled, specify a bolt carrying the fire listing; save the brass bolts for decorative and non-labeled openings.
6) Which surface bolt should I use when a 1 inch throw is not deep enough to reach the strike?
Step up to the Ives SB1600, a heavy duty steel surface bolt with a 3-1/2 inch throw that is fire rated. Where a floor or header condition puts the strike well below or above the door edge, the 3-1/2 inch throw spans a gap the Hager 275D/276D's 1 inch throw cannot. A middle option is the Ives SB360 heavy-duty steel surface bolt with a 1-1/4 inch throw in a 12 inch length, also fire rated. All three are steel bolts for commercial openings.
7) How much does the Hager 275D surface bolt stick out from the face of the door?
Projection is 1-3/8 inches (35 mm) off the door face. That matters where the inactive leaf sits next to a wall return, a coat hook run, or furniture traffic, and it matters on a pair where the astragal or the active leaf trim passes close to the bolt. Measure the clear space at the top and bottom of the inactive leaf before ordering.
8) Do I need to buy screws separately for a Hager 275D surface bolt install?
No extra fasteners needed. Each bolt ships with eight #10 x 1-1/4 inch flat phillips head wood screws and eight #10-24 x 1 inch undercut flat phillips head machine screws, so you are covered for both a wood door and a metal door with tapped holes. On a hollow metal door with untapped holes you will still need to drill and tap for the #10-24 machine screws.
9) Should I use a surface bolt or a flush bolt on the inactive leaf of a pair?
A surface bolt like the Hager 275D mounts on the face of the door and needs no mortising into the door edge, which makes it the retrofit answer on an existing pair or on a door you cannot cut into. A flush bolt hides in the door edge and stile and gives a clean face, but it requires door prep and usually a factory or shop cut. If the pair is already hung and you just need the inactive leaf secured with a UL listed device for a 3-hour label, the surface bolt is the faster install.
10) Do I need a keyed surface bolt, or is the Hager 275D/276D enough for an inactive leaf?
For a standard inactive leaf that staff operate from inside, the Hager 275D/276D is the straightforward choice: a steel bolt with a 1 inch throw, tension springs against creep, and a mortise bottom strike plus universal top strike in the box. Where the inactive leaf must not be opened without a key, the Ives SB1630 is the heavy duty steel locking surface bolt with a 1 inch throw and keyed security, and it carries the same 3-hour UL listed fire rating, so the upgrade does not cost you the labeled-pair application.
11) Is there a brass fire rated surface bolt with the same 1 inch throw as the Hager 275D/276D?
Yes. The Ives SB1640 is a fire rated surface bolt with a 1 inch throw in brass construction, matching the Hager 275D/276D on throw depth while changing the base material from steel to brass. Choose on the material the opening calls for: the Hager 275D/276D is a steel bolt with a 3/4 inch by 1/4 inch thick bar and 1-3/8 inch projection, while the SB1640 puts a brass body on the door face.
12) What is an alternative to the Hager 275D/276D when the bolt needs to lock itself in the extended position?
The ABH HD1805 is a heavy duty surface bolt with an auto-locking 3/4 inch stainless steel bar. It answers a different need than the Hager 275D/276D, which relies on strong tension springs to prevent bolt creep on a 3/4 inch by 1/4 inch steel bar. If the requirement on the drawing is a bolt that latches itself once thrown, the HD1805 auto-locking design covers it; if the requirement is a UL listed bolt for a 3-hour labeled pair, the Hager 275D/276D holds that listing.
13) What finish does the Hager 275D surface bolt come in?
Ordering is in 626 satin chrome, in either the 8 inch or 12 inch length. Satin chrome is the common commercial match to satin chrome levers, closers, and push plates already hung on most office and institutional openings, so it blends into a standard hardware set without a special order.
14) Will the Hager 275D bolt creep open on a door that gets slammed all day?
The bolt is held by strong tension springs specifically to stop creep, so it holds position on a door that takes repeated slamming or vibration from an HVAC-pressurized corridor. That, plus the steel bar, is why it is specified for commercial traffic rather than light residential use.
15) Is there an installation template or instruction sheet for the Hager 275D surface bolt?
Hager publishes an installation instruction sheet for the 275D (document I-275D), which covers the hole layout for the bar, the universal top strike, and the mortise bottom strike. Mark from it before drilling, since the top and bottom strike preps are different.
How fast can I get the Hager 275D 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 275D US26D come with a warranty?
Absolutely. The Hager 275D 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 275D 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
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