Hitachi Power Tools

Hitachi: Inspire the Next

WR22SA 3/4" Square Drive Impact Wrench

  • 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)
Square Drive 3/4"
Amps 7.5
No-Load Speed 1,800 RPM
Impact Rate 2,000 IPM
Max Torque 450 ft/lbs
Capacity-Ordinary Bolt M14 - M24 (9/16"-15/16")
Capacity-High Tension Bolt M16 - M22 (5/8"-7/8")
Body Aluminum
Soft Grip Handle Yes
Side Handle 360 Degree
Switch Type Rocker
Rubber Bumper Yes
Height 9-9/32"
Length 11-15/16"
Weight 10.6 lbs

Warranty Information


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