Kawneer KW450549-17 Single-Act...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$36.39
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Kawneer KW450549-17 Single-Acting Offset Arm Shear Block Package Butt Hinge for Trifab 450

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Model: KW450549-17

In Stock (leaves warehouse same day if ordered before 3pm ET)

$36.39
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Kawneer KW450549-17 Single-Acting Offset Arm Shear Block Package Butt Hinge for Trifab 450

The Kawneer KW450549-17 is a Single-Acting (S/A) Offset Arm Shear Block Package Butt Hinge engineered specifically for use with the Kawneer Trifab 450 framing system. Finished in Clear Aluminum, this genuine Kawneer service replacement part is designed for commercial door applications where precise fit and reliable long-term performance are essential. As a factory-authorized component, it ensures full compatibility with the Trifab 450 system and maintains the structural and operational integrity of the original installation.

Key Features

  • System-Specific Compatibility: Engineered exclusively for the Kawneer Trifab 450 framing system, ensuring a precise, drop-in replacement fit with no field modification required.
  • Single-Acting (S/A) Operation: Designed for single-acting door applications, providing smooth, consistent hinge movement suited to commercial door configurations.
  • Offset Arm Shear Block Design: The offset arm shear block configuration provides structural reinforcement at the hinge point, resisting lateral shear forces for enhanced door stability and longevity.
  • Clear Aluminum Finish: Factory-applied Clear Aluminum finish matches original Trifab 450 system aesthetics for a seamless, professional appearance upon reinstallation.
  • Genuine Kawneer Service Part: Supplied as an authentic Kawneer service component, guaranteeing material quality, dimensional accuracy, and full system compatibility.
  • Commercial-Grade Construction: Built to meet the demands of high-traffic commercial environments, supporting durable and dependable door operation over an extended service life.
  • Package Includes Complete Assembly: Delivered as a complete shear block package, providing all necessary components for a straightforward replacement installation.

Technical Specifications

  • Department: Door Hardware
  • Product Category: Mechanical Locks
  • Product Group: Parts and Accessories
  • Subcategory: Parts and Accessories
  • Product Subgroup: Parts and Accessories
  • Product Type: Exit Device Parts
  • Parts and Accessories Type: Replacement Parts
  • Commercial/Residential: Commercial
  • Product Model: KW450549-17
  • Features: Kawneer Service Parts

Typical Applications

  • Commercial Office Buildings with Kawneer Trifab 450 Storefront Systems
  • Educational Facilities Utilizing Kawneer Aluminum Framing
  • Healthcare Institutions with Commercial Aluminum Door Systems
  • Retail Establishments Requiring Replacement Door Hardware
  • Government and Municipal Buildings with Kawneer Installations
  • Industrial and Warehouse Facilities with Commercial Aluminum Doors
  • Multi-Tenant Residential and Mixed-Use Properties with Storefront Entrances

Why Kawneer KW450549-17?

Kawneer service parts are manufactured to the same exacting standards as original components, ensuring that replacement hardware maintains the performance and structural integrity of the Trifab 450 system. The KW450549-17 Offset Arm Shear Block Package Butt Hinge delivers a factory-matched solution for commercial door maintenance, eliminating guesswork and reducing installation time in demanding commercial settings where system reliability is non-negotiable.

Manufacturer Resources

Kawneer Service Parts Catalog

Product Specs

Department:
Door Hardware
Product Category:
Mechanical Locks
Product Group:
Parts and Accessories
Subcategory:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Exit Device Parts
Parts and Accessories Type:
Replacement Parts
Commercial/Residential:
Commercial
Product Model:
KW450549-17
Features:
Kawneer Service Parts

Kawneer KW450549-17 – Frequently Asked Questions

1) What does the Kawneer KW450549-17 shear block package actually do on a Trifab 450 storefront?
The KW450549-17 is a single-acting offset arm shear block package butt hinge for the Kawneer Trifab 450 framing system. The shear block reinforces the framing at the hinge point so the door jamb can carry the lateral shear load the hinged leaf puts on it, and the offset arm butt hinge itself carries the door. It ships as a complete package, so the components needed for the hinge replacement come together.
2) Will the KW450549-17 hinge package fit a Kawneer framing system other than the Trifab 450?
No. This part is engineered exclusively for the Trifab 450 framing system, and it is sold as a drop-in replacement for that system with no field modification. On any other Kawneer framing line you need the shear block package built for that system, not this one.
3) Is the KW450549-17 suitable for a double-acting door that swings both ways?
No. It is a single-acting (S/A) hinge package, meaning the door swings one direction only. A door that swings in and out needs double-acting hardware, not this part.
4) What finish does the Kawneer KW450549-17 come in, and will it match my existing storefront?
Clear aluminum, factory applied. That is the standard finish on Trifab 450 framing, so on a clear anodized storefront it blends with the existing frame. If your entrance is dark bronze or a painted finish, expect a visible difference at the hinge.
5) Is this a genuine Kawneer part or an aftermarket copy?
It is an authentic Kawneer service replacement component, model KW450549-17, supplied for commercial door applications. For a property manager or facilities group maintaining Kawneer entrances, that matters because the original framing prep was cut for the factory part.
6) Is the KW450549-17 rated for residential use or only commercial entrances?
It is a commercial-grade part, built for high-traffic commercial door service. It shows up on office buildings, schools, healthcare facilities, retail entrances, and mixed-use storefront doors running Kawneer aluminum framing, not on residential doors.
7) How do I order the right quantity of KW450549-17 for a pair of storefront doors?
Each KW450549-17 is one shear block package for one hinge location. Count the hinge points on the doors you are servicing, not the doors themselves. A pair of single-acting Trifab 450 leaves that each carry offset arm butt hinges will need a package per hinge point.
How fast can I get the Kawneer KW450549-17 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 Kawneer KW450549-17 come with a warranty?
Absolutely. The Kawneer KW450549-17 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 Kawneer KW450549-17?
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 Kawneer KW450549-17 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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