• Product Name: Micro-Adjustable Torque Screwdriver
• Drive: 1/4" Female Hex
• Torque Range: 5–40 in-lb
• Scale Increment: 0.5 in-lb
• Accuracy: ±6% CW, from 20%–100% of full scale
• Torque Mechanism: Cam-Over Torque-Limiting Clutch
• Adjustment: Micro-Adjustable
• Country of Origin: Made in USA
• UPC: 662459926968

Construction

• Lightweight, rugged construction
• Universal 1/4" hex bit holder
• Strong rare-earth magnet helps retain driver bits
• Cam-over torque-limiting clutch
• Trilobular comfort grip
• Slip-resistant finish
• Permanently lubricated internal mechanism

Features

• Adjustable 5–40 in-lb torque range
• Fine 0.5 in-lb increments
• Easy-to-read window scale
• Positive-locking pull-down adjustment knob helps prevent accidental setting changes
• Cam-over clutch helps prevent overtightening
• Automatically locks in the counterclockwise direction for screw removal
• Accepts standard 1/4" hex driver bits, including Phillips, Torx, and other compatible styles
• Individually serialized
• Includes matching calibration certificate traceable to NIST

Dimensions

• Overall Length: 6.75" / 171.5 mm
• Maximum Width: Approximately 1.2"
• Weight: 10.8 oz.
• Drive Size: 1/4" Female Hex

Performance

• Minimum Torque: 5 in-lb
• Maximum Torque: 40 in-lb
• Graduation: 0.5 in-lb
• Accuracy: ±6% of indicated value, clockwise, from 20%–100% of full scale
• Cam-over mechanism provides repeatable torque application and helps prevent fastener overtightening.

Applications

• Electronics assembly
• Instrument assembly
• Precision mechanical work
• Production and manufacturing
• Maintenance and repair
• Applications requiring controlled low-torque fastener installation

Included

• (1) CDI 401SM Micro-Adjustable Torque Screwdriver
• (1) Integrated 1/4" Hex Bit Holder
• (1) NIST-Traceable Calibration Certificate

Driver bits are not included.