CDI Torque 1/4" Female Hex Drive, 4-40 In. Lb. Pre-Set CDI
CDI Torque 1/4" Female Hex Drive, 4-40 In. Lb. Pre-Set CDI
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CDI 401SP Torque Screwdriver Single Setting 1/4"Drive Hex Bit Holder 4-40 in.lbs.

Your Price: $182.29
Availability: IN-STOCK - Usually ships within 1 to 3 business days

Part Number: CDI401SP
  • Single Setting
  • Accuracy: ± 6% of indicated value
  • It comes with plastic case
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The tamper resistant design of the Single Setting series is particularly suited for high-volume use in assembly operations. A simple, cam-over design prevents over-tightening and possible damage to components.

Torque screwdrivers may be ordered factory pre-set at an additional charge or they may be easily set by the operator with any quality torque calibration system. The end cap removes for easy access to the 1/8" hex adjustment screw. A hex adjustment key isincluded with each driver.

The Single Setting series includes four models with available torque settings from 6 in. ozs. up to 40 in.lbs. When precision and repeatability are a must, the choice is simple -Williams Torque Screwdrivers.


  • Factory Pre-Set models are set at the factory to the customer’s specified torque setting and are furnished with a Certificate of Calibration.
  • Please specify desired torque setting when order is placed.
  • 4 models available.
  • Trilobular comfort grip.
  • Universal 1/4" hex bit holder with strong rare earth magnet.
  • Cam-over torque limiting clutch.
  • Rugged, light weight aluminum body.
  • Automatic lock in CCW direction.
  • Accuracy: ± 6% of indicated value, CW, from 20% to 100% of full scale.
  • Meets or exceeds ASME B107.300 - 2010.

Country of Origin: US


Product CodeProduct Code
Un-SetFactory Pre-SetTorque RangeW x L LengthWt. Oz.
21SP21SP-SET6-32 in.ozs1.1 x 4.55.3
61SP61SP-SET10 - 100 in.ozs.1.1 x 5.67.0
151SP151SP-SET1.5 - 15 in. lbs1.1 x 5.67.0
401SP401SP-SET4 - 40 in. lbs.1.2 x 6.39.6