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CDI 1/4" Female Hex Dr 3-15 In Lbs Micro Adjustable Torque Screwdriver 151SM

1/4" Dr 3 - 15 In Lbs CDI Micro Adjustable Torque Screwdriver - 151SM

$167.97 $365.16
(You save $197.19)
Model #
Drive Size:
1/4 Inch Female Hex
English Range:
3-15 In Lbs
8 Oz
± 6%
In Lbs



The CDI 151SM Torque Screwdriver is a 1/4" adjustable torque screwdriver with a female hex drive and an English range of 3-15 In Lbs. The micro adjustable models offer versatility for applications that require more than one torque value. These CDI torque screwdrivers are particularly suited for the electronics industry and for instrument assembly work.

A simple, cam-over design on this 1/4" torque screwdriver prevents over-tightening and possible damage to components. Torque settings are easily and accurately changed with a unique adjusting knob and easy-to-read window scale. Adjusting the screwdriver is simple. Just pull out the adjusting knob to unlock, turn to the desired setting, then push the knob in until it clicks! Positive locking knob makes accidental setting changes impossible. Automatic lock in counterclockwise direction makes fastener removal a snap.


  • Positive locking pull down adjustment knob
  • Trilobular comfort grip
  • Universal 1/4” hex bit holder with strong rare earth magnet
  • Cam-over torque limiting clutch
  • Slip resistant finish
  • Easy-to-read window scale
  • Light weight
  • Automatic lock in CCW direction for disassembly
  • Accuracy: ± 6% of indicated value, CW, from 20% to 100% of full scale
  • Individually serialized with matching certificate of calibration traceable to N.I.S.T.
  • Meets or exceeds ASME B107.14 - 2004
  • Torque Range: 3-15 in. lbs.
  • Increments: .2 in. lbs
  • W x L Inches: 1.1 x 6.25
  • Wt. Oz.: 8



Warranty Information

Williams Industrial Tools Torque Products Warranty: Williams Industrial Tools warrants to the original purchaser of CDI Torque Products that the companys torque products are free from defects in workmanship and materials. Williams Industrial Tools will repair or replace CDI Torque Products which fail to give satisfactory service due to defective workmanship or materials (excluding calibration) for 12 months from the date of original purchase. Williams Industrial Tools warrants “initial, out of box calibration” of each new, unused CDI Torque Product. Repair, replacement or recalibration shall be at the election and expense of Williams Industrial Tools, and is your exclusive remedy in place of all other rights and remedies. Products must be returned with proof of purchase, freight prepaid, to a CDI Torque Products repair center for warranty service. Williams Industrial Tools will repair or replace Williams Torque Multipliers which fail to give satisfactory service due to defective workmanship or material for 90 days from the date of original purchase. Williams Industrial Tools does not provide any warranty for products subjected to abnormal use. Abnormal use includes misuse, accident, modification, unreasonable use, neglect, lack of maintenance, or use after the tool is significantly worn.