(248) 348-7800

sales@belknaptools.com

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Contact Us

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

Printer-Friendly VersionNEED A SPECIALLY
DESIGNED TOOL?

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.

EXTENSIONS CALCULATOR

USING ADAPTERS OR EXTENSIONS

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

To obtain your desired torque reading, use the below calculator by inserting your values in the following order:

  1. Extension Length
  2. Wrench Length
  3. Actual Torque

This program is based on the ideal equation:
ACTUAL TQ = INDICATED TQ x (WRENCH LENGTH + EXTENSION LENGTH) / WRENCH LENGTH

NOTE: We are not responsible for inaccuracies or errors. Please check the output for accuracy before using in a production environment.

Extension CalculatorDownload the desktop version:
ExtensionCalculator.zip
791 KB

  • Extended Socket Ratchet Slip-Torq
    Torque Wrenches
    #1 Ratchet with Slip-Torq
    and Extended Socket
  • Adjust Tool Door Glass
    Assembly & Installation
    #6 Door Glass Adjust Tool
  • Torque Wrench Transmission Plug
    Assembly & Installation
    #23 Transmission Plug
    Torque Wrench
  • Female Square Drive Spanner
    Crowfoot Adapters
    #3 Spanner with Female
    Square Drive
  • Drive End Adjustable
    Drive Ends
    #14 Adjustable Drive End
  • Socket Heat Sensor
    Sockets
    #14 Heat Sensor Socket
  • Removal Tool Breather Valve
    Assembly & Installation
    #1 Breather Valve
    Removal Tool
  • Drive End Special Formax
    Drive Ends
    #1 Special Formax Drive End
  • Operator Hose Clamp Fixture
    Fixtures
    #3 Hose Clamp Fixture
    with Operator
  • Handling Hook for Automotive Frame
    Material Handling
    #11 Automotive Frame
    Handling Hook
  • Male Hex U-Bottom Drive End
    Drive Ends
    #2 U-Bottom with Male
    Hex Drive End
  • Drive End Special
    Drive Ends
    #7 Special Drive End
  • Interchangeable Tips Hand Hose Clamp Tool
    Hose Clamp Tools
    #5 Hand Hose Clamp Tool
    with Interchangeable Tips
  • Nylon Sleeve Lug Nut Socket
    Sockets
    #16 Lug Nut Socket
    with Nylon Sleeve
  • Indexing Driveshaft Tool
    Torque Wrenches
    #22 Driveshaft Indexing Tool
© 2003-2014 Van F. BELKNAP Co., Inc. • 29164 Wall Street, Wixom, MI 48393 • CALL 248-348-7800 • FAX 248-348-9821 • EMAIL sales@belknaptools.com