(248) 348-7800


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Van F. Belknap Co., Inc.
29164 Wall Street
Wixom, MI 48393 USA
(248) 348-7800

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You're at the right place! Belknap is the Leader in Specialty Torque Applications. Check out our Specialty Tools Gallery for a small sampling of what we've produced for our customers over the years.


Belknap Crowfoot Adapters

BELKNAP’S CROWFOOT ADAPTERS are all made to fit your application. They are intended to be used with Electronic Dial Torque Wrenches, Dial Indicating Torque Wrenches and Micro-Adjustable Torque Wrenches.

While there are four (4) main styles to choose from, we can also custom make crowfoot adapters in a variety of configurations. If you are in need of a specially designed adapter, give us a call (248) 348-7800 to discuss your specific requirements. Our Specialty Tools Gallery displays a small sampling of what we’ve produced for our customers
over the years.

Adapters or extensions should only be used in line with the wrench, as opposed to being at an angle, and the actual torque applied (TA) will be greater than the torque reading shown.

Torque capacity of crowfoot will be limited by its hex size.
Most sizes can be made, but safety precautions must always be taken when designing a crowfoot.

Determine the actual torque applied by using the formula below:

Belknap Torque Extension Calculator Diagram
* Our online Extensions Calculator does all the calculating for you with real-time updates.


Three ways to request a quote:

Each application is unique, therefore, in order for us to quote accurately, we’ll need the following information:

Crowfoot Adapter Dimensions

* Hex Nut Size
* Center-to-Center Dimension
* Square Drive Size
* Adapter Style
* Target Torque to be Applied
Special Head Thickness Required (if none, leave blank)
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Please feel free to call us for any reason (248) 348-7800. We look forward to speaking with you.

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© 2003-2018 Van F. BELKNAP Co., Inc. • 29164 Wall Street, Wixom, MI 48393 • CALL 248-348-7800 • FAX 248-348-9821 • EMAIL sales@belknaptools.com