1/4 Female Hex Drive, 5-40 In. Lb. Micro-Adjustable Torque Screwdriver - Williams

The Williams 401SM Micro-Adjustable Torque Screwdriver is a precision tool designed for applications requiring accurate torque settings. Here are its key features:

• Drive Size: 1/4" female hex drive, suitable for a variety of bits
• Torque Range: Adjustable from 5 to 40 in-lbs, providing versatility for different tasks
• Adjustment Mechanism: Features a positive locking pull-down adjustment knob for easy and precise torque settings
• Grip: Trilobular comfort grip ensures a secure and comfortable hold during use
• Clutch: Cam-over torque limiting clutch prevents over-tightening, ensuring repeatability and accuracy
• Scale: Easy-to-read window scale and adjustment knob for precise settings
• Construction: Lightweight and rugged, built to last with a slip-resistant finish
• Additional Features: Automatic lock in the counterclockwise direction for removing screws
• Accuracy: ±6% of indicated value, clockwise, from 20% to 100% of full scale
• Certification: Individually serialized with a matching certificate of calibration traceable to N.I.S.T., meeting or exceeding ASME B107.300 - 2010 and ISO 6789 standards

This torque screwdriver is ideal for professionals in the electronics industry and for instrument assembly work, providing reliable and precise torque control.