Kawneer KW450440-17 Center Hun...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$36.39
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Kawneer KW450440-17 Center Hung Shear Block Package for Trifab 400 and 450 Series

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Model: KW450440-17

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

$36.39
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Kawneer KW450440-17 Center Hung Shear Block Package for Trifab 400 and 450 Series

The Kawneer KW450440-17 is a genuine Kawneer service part, a Center Hung Shear Block Package engineered specifically for compatibility with the Trifab 400 and Trifab 450 framing systems. Finished in Clear Aluminum, this replacement package is designed for commercial door and framing applications where precise component fitment is critical. As an OEM-sourced part from Kawneer's Parts and Accessories line, it ensures proper function and system integrity when servicing or replacing worn shear block components in center hung door configurations.

Key Features

  • Trifab 400 and 450 Series Compatibility: Engineered exclusively for Kawneer Trifab 400 and Trifab 450 framing systems, ensuring precise fit and reliable operation in center hung door configurations.
  • Center Hung Configuration: Designed for center hung shear block applications, providing the structural support needed to maintain door alignment and performance.
  • Clear Aluminum Finish: Features a Clear Aluminum finish that integrates seamlessly with standard Kawneer framing aesthetics for a consistent, professional appearance.
  • Genuine Kawneer Service Part: Sourced directly as an authentic Kawneer service component, ensuring OEM-level quality and fitment for maintenance and replacement scenarios.
  • Commercial-Grade Construction: Manufactured to commercial standards, appropriate for demanding building environments where component reliability is essential.
  • Replacement Parts Application: Classified as a replacement part within the Kawneer Parts and Accessories product line, making it the correct choice for restoring original system performance.

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: KW450440-17
  • Features: Kawneer Service Parts

Typical Applications

  • Commercial Office Building Entrances
  • Retail Storefronts with Kawneer Trifab Framing
  • Educational Facility Main Entry Systems
  • Healthcare Institution Building Entrances
  • Government and Municipal Building Facades
  • Industrial and Warehouse Entry Doors
  • Multi-Tenant Commercial Properties with Curtainwall or Storefront Systems

Why Kawneer KW450440-17?

Kawneer service parts are manufactured to match the original specifications of Kawneer Trifab framing systems, delivering the precision fitment that aftermarket alternatives cannot guarantee. Selecting the KW450440-17 ensures that center hung door assemblies within Trifab 400 and 450 installations are restored to their original commercial-grade performance standards. For building owners, facility managers, and glazing contractors, this genuine replacement package represents the most reliable path to maintaining system integrity.

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:
KW450440-17
Features:
Kawneer Service Parts

Kawneer KW450440-17 – Frequently Asked Questions

1) Will the Kawneer KW450440-17 shear block package fit a Trifab 451 or other Kawneer framing system?
The KW450440-17 center hung shear block package is made for Kawneer Trifab 400 and Trifab 450 framing only. It is a system-specific service part, so if your storefront or curtainwall is a different Kawneer line, this package is not the right one. Confirm the framing series stamped on the job documents or the original shop drawings before ordering.
2) What does a center hung shear block package actually do in a Trifab 400 or 450 door opening?
Shear blocks are the internal connection components that tie the framing members together at the joints. In a center hung door configuration, the KW450440-17 package supplies the blocks that keep the door frame square and hold alignment under the load of an operating door. When a center hung door in a Trifab 400 or 450 opening starts to sag or the frame joint works loose, worn shear blocks are a common cause.
3) Is the KW450440-17 a genuine Kawneer part or an aftermarket equivalent?
It's an OEM Kawneer service part, not an aftermarket copy. That matters on Trifab framing because the shear block geometry has to match the extrusion profile exactly. Ordering the factory part is the way to guarantee the joint pulls up tight the way the original did.
4) What finish does the Kawneer KW450440-17 shear block package come in?
Clear Aluminum, which is the standard mill finish on Kawneer framing components. Since shear blocks sit inside the frame joint rather than on the visible face, the finish is not a cosmetic decision here, and there is one finish offered on this package.
5) Is this shear block package suitable for a commercial storefront entrance, or is it a residential part?
Commercial. The KW450440-17 is built for Kawneer Trifab framing in commercial settings, office and retail entrances, school and healthcare main entries, municipal buildings, and multi-tenant properties running storefront or curtainwall systems.
How fast can I get the Kawneer KW450440-17 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 KW450440-17 come with a warranty?
Absolutely. The Kawneer KW450440-17 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 KW450440-17?
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 KW450440-17 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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