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Screwdrivers (electric and pneumatic) Information

industrial screwdrivers

Industrial screwdrivers and screwfeeders are automated tools that are used to turn screws while providing close control of screw torque.

Pneumatic devices use compressed air and are suitable for low-torque applications such as woodworking or sheet metal repair.

Electric devices use AC or DC power and are designed for applications that require higher levels of torque.

Actuation Methods

For both types of industrial screwdrivers, actuation methods include buttons, triggers, levers, and press-down heads or bits.

Screwdriver Motion

Screwdrivers with both forward and reverse motions are commonly available. Clutches use continuous or discontinuous drives.

  • Industrial screwdrivers that use continuous drive clutches deliver power continuously and without interruptions. These devices are usually gear-driven and include both external torque control and an automatic shut-off function.
  • Industrial screwdrivers with discontinuous drive clutches deliver power in short bursts, but do not provide torque between bursts. Some devices generate torque with a small chamber of oil. Others generate torque by pounding small, internal metal hammers against an anvil.

industrial screwdriversSpecifications

Industrial screwdrivers vary in terms of head styles, drive types, and mounting styles.

Head Styles

  • In-line devices rotate concentrically with the drive.
  • Offset devices follow an axis of rotation that is parallel, but offset to the drive axis.
  • Right-angle screwdrivers rotate perpendicularly to the drive axis.
  • Flat-bladed screwdrivers are designed to tighten screws with slotted heads.
  • Cross-head or Phillips screwdrivers use X-shaped bits are designed to ride out or cam out under strain to prevent over-tightening.

Drive Type

  • Fixed size drives are designed to accept one-size drives.
  • Adjustable size drives have an adjustable mouth for different sized drives.

Mouting Options

Some industrial screwdrivers are designed for mounting in a fixed position. Others, such as cylindrical and pistol grip models, are handheld and portable.


Industrial screwdrivers provide many ergonomic and safety features that are also designed to improve productivity and reliability.

  • Small chamber of oil are designed to absorb “kicks” to the operator while reducing cam outputs and possible damage to the repaired product.
  • Devices with an automatic shutoff feature also provide controlled levels of speed and torque.
  • Low-voltage industrial screwdrivers are commonly available.
  • A magnetic head can be included for picking up screws made of materials such as iron.
  • industrial screwdriverA vacuum pump can be included for picking up screws made of nonmagnetic materials such as stainless steel and plastic.
  • Automatic feeds presents the screw to the driver head.
  • Integral transducers are used to provide torque feedback. Hardware extensions are used to lengthen bits.
  • Soft stop, a mode in which tightening softens as screws approach final torque, is another important feature to consider.


Industrial screwdrivers must adhere to certain standards and specifications to ensure proper design and functionality. 

  • UL 7700-2-2: Portable pneumatic tools and particular requirements for screwdrivers, ratchets and impacts wrenches.
  • BS EN 60745-2-2: Hand-held motor-operated electric tools and particular requirements for screwdrivers and impact wrenches.

Image Credits:

Mountz, Inc. | Visumatic Industrial Products


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