(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 Preset Torque Screwdrivers

BELKNAP’S PRESET TORQUE SCREWDRIVERS are particularly suited for high-volume use in assembly operations. A simple, cam-over design allows the tool to slip; therefore, preventing over-torque and possible damage to components.

Preset Torque Screwdrivers may be ordered factory set or they may be easily set with any quality torque calibration system. The end cap removes for easy access to the 1/8" hex adjustment screw. A hex adjustment key is included with each new torque screwdriver.


  • Universal 1/4" hex bit holder with strong rare earth magnet.
  • Cam-over torque limiting clutch.
  • Rugged, light-weight aluminum body.
  • Automatic lock in counter-clockwise direction.
  • Accuracy ± 6% of indicated value in clockwise direction, from 20-100% of full scale.
  • Certified to the following industry specification: ASME B107.14M-1994.

Preset Torque Screwdrivers

Part # Torque Range Length (In.) Weight (Lb.)
In. Oz. In. Lb.
21SP 6 - 32 4.5 0.375
61SP 10 - 100 5.6 0.438
151SP 1.5 - 15.0 5.6 0.438
401SP 4.0 - 40.0 6.1 0.600

Please feel free to call us for any reason (248) 348-7800. We look forward to speaking with you.

  • Hand Tool Clip Removal
    Assembly & Installation
    #21 Clip Removal Hand Tool
  • Special Offset Adapter Torque Wrench
    Torque Wrenches
    #16 Torque Wrench with
    Special Offset Adapter
  • Fixture Park Brake Lever Assembly
    #6 Park Brake Lever
    Assembly Fixture
  • Tool Scrivit Install
    Assembly & Installation
    #13 Scrivit Install Tool
  • Fixture Front Brake Line
    #10 Front Brake Line Fixture
  • Handle Square Drive
    Assembly & Installation
    #11 Square Drive with Handle
  • Magnet Hand Socket Tool
    #9 Hand Socket
    Tool with Magnet
  • Spacer Rear Curb Height Setting
    #8 Rear Curb Height
    Setting Spacer
  • Tool Hand Hose Clamp
    Hose Clamp Tools
    #9 Hand Hose Clamp Tool
  • Socket Battery Terminal
    #6 Battery Terminal Socket
  • Drive End Half Moon
    Drive Ends
    #12 Half Moon Drive End
  • Drive End Special
    Drive Ends
    #25 Special Drive End
  • Magnet Socket Shortened
    #13 Shortened Socket
    with Magnet
  • Gauge AC Line Location
    Assembly & Installation
    #14 AC Line Location Gauge
  • Handling Hook Front Axle
    Material Handling
    #4 Front Axle Handling Hook
© 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