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Hitachi WR22SA 7.5 Amp 3/4-Inch Electric Impact Wrench

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Specifications for this item
Number of Items
Part Number
Item Weight
10.6 pounds
Brand Name
120.00  Volts
Power Source Type
30 day satisfaction guarantee and 1 year warranty

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Key Features

  • IDI design
  • 7.5 Amp motor
  • 450 foot pounds torque
  • Large Rocker switch
  • Carrying case
  • Powerful 7.5 Amp (850 Watt) motor
  • produces an amazing 450 ft/lbs of tightening torque (class leading) to tackle the toughest jobs with ease
  • Compact and lightweight
  • Double insulated cast aluminum body (IDI- Internal Double Insulation Technology)
  • provides strong protection for the motor, greatly increasing durability and extending tool life
  • Large heat-resistant bumper
  • protects the tool, workpiece and the user
  • Forward/Reverse rocker switch
  • to quickly change fastening direction
  • Slip resistant elastomer handle
  • improves grip and minimizes user fatigue
  • Download the
  • WR22SA Tool Card
  • Side Handle (324015)
  • Plastic Case (324014)
  • Extension Bar Assembly (874535)
  • Universal Joint Assembly (955088)

Package Details

Shipping Weight: 17.2 pounds
Package Size: 15.7 x 15.4 x 5.3 inches

Product Description

Hitachi WR22SA 3/4-Inch Square Drive Impact Wrench with Side Handle and Plastic Case

The Hitachi WR22SA Corded Electric Impact Wrench combines class-leading power and a compact, lightweight design to handle the toughest jobs with ease. Ideal for serious professionals, the WR22SA can be used for the most demanding fastening applications, such as automobile work, ship building, construction, plumbing, and more. And with an exclusive double-insulation design and aluminum body, the WR22SA is a reliable tool that is built to last.

Compact and lightweight with class-leading torque, this wrench brings efficiency to a range of applications.
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WR22SA Corded Electric Impact Wrench
Tool Specifications

CapacityOrdinary Bolt: M14-M24
High-Tension Bolt: M16-M22
Square Drive Dimensions3/4"
No-Load RPM1,800
Impact Rate2,000
Max Torque450 ft/lbs.
Soft Grip HandleYes
Switch TypeRocker
Rubber BumperYes
Weight10.6 lbs.
Class-Leading Torque for Handling the Toughest Jobs
The corded WR22SA Impact Wrench offers class-leading torque of up to 450 ft./lbs., so you can get tough jobs done in no time. The powerful 7.5 Amp, 850-watt motor generates a no-load speed of 1,800 RPM and an impact rate of 2,000 IPM, which makes the WR22SA ideal for removing stubborn bolts, tackling automobile work, building ships, assembling, and more.

Internal Double Insulation Technology Increases Tool Life
The WR22SA boasts Exclusive Internal Double Insulation (IDI) technology, which significantly extends tool life and durability by protecting the motor from damage. And because the WR22SA's armature bearing is seated in aluminum--not plastic like the other guys--it can withstand the potentially damaging heat that's produced by extreme use.

The WR22SA's aluminum body provides additional protection and durability, so you'll get to use this wrench for a long time to come.

Full of User-Friendly Features
Like all Hitachi tools, the WR22SA is full of features that were designed with the user in mind. To start, a non-slip Elastomer grip reduces vibration, keeps you in complete control of the tool, and provides comfort for all-day jobs. What's more, the WR22SA is the most compact and lightweight wrench in its class, measuring just 11-15/16 inches in length and weighing 10.6 pounds--so it's plenty easy to maneuver and transport.

For further convenience, the WR22SA features a heat-resistant bumper that protects you, the tool, and the workpiece from bumps and scratches. Additionally, an easy forward/reverse rocker switch allows you to quickly change the direction of the 3/4-inch square drive chuck.

The WR22SA is backed by Hitachi's industry-leading Professional Five-Year Limited Warranty.

What's in the Box
WR22SA Impact Wrench, side handle, and carrying case.

From the Manufacturer

The Hitachi WR22SA 3/4-Inch Square Drive Impact Wrench has been designed to meet the needs of the serious professional. With its powerful 7.5-amp, 850-watt motor, the WR22SA produces an impressive 450-feet per pound of tightening torque. This impact wrench generates a no-load speed of up to 1,800-RPM with an impact rate of 2,000-IPM. Its lightweight at only 10.6-pounds and has a heat resistant bumper for added protection. The WR22SA also features a highly rigid aluminum body which adds durability to the double-insulated motor. Other features include a forward/reverse rocker switch and a slip-resistant soft grip handle. The Hitachi WR22SA 3/4-Inch Square Drive Impact Wrench comes with a 5-year limited warranty. Hitachi Power Tools provides professional-grade power tools for a variety of applications, including woodwork, metalwork, concrete, drilling, cutting and fastening. Since its inception, Hitachi has pioneered innovative technologies that have improved the quality of craftsmanship worldwide. Hitachi is a leader in power tool research and development and has achieved many firsts in the power tool industry. Today, Hitachi continues the tradition of innovation and engineering with new features in addition to classic quality.

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