DeWalt DC821B 1/2" High Performance Impact Wrench

Item Number:DC821B
Line Code:D-W
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DeWalt DC821B 18 Volt 1/2" High Performance Impact Wrench (Bare Tool)

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  • High output motor provides the additional torque needed for the toughest jobs
  • Advanced impact mechanism transfers maximum power to the fastener while reducing the amount of torque felt by the user
  • All metal gear case is designed to stand up to the toughest use and provide years of trouble free service
  • Variable speed trigger and electric brake system combine to give you the control you need to work efficiently and accurately
  • Soft ergonomic grip offers all day comfort and plenty of control even in the tightest areas
  • Bare tool only, designed to work with the full line of DeWalt 18 volt batteries including XRP Lithium-Ion and compact batteries
  • Covered by DeWalt's 3 Year Limited Warranty
  • Batteries and Charger NOT included

Designed for the toughest fastening tasks, the DeWalt DC821B 1/2" High Performance Impact Wrench puts the full power of a 160 ft-lbs in the palm of your hand. Even the toughest and largest nuts and bolts are no match for this impact, and it's designed to be as comfortable to use as it is powerful; the soft ergonomic handle design combines with an advanced impact mechanism to provide maximum power transfer while reducing the torque felt by your hand. The DC821B sports a heavy duty all metal gear case is designed to stand up to the toughest regular use, and the variable speed trigger design allows you to tailor the power perfectly to the task.

The DC821B includes:

  • One (1) DeWalt 18V 1/2" High Performance Impact Wrench
  • (Batteries and charger sold separately)

Tech Specs:

  • Battery Voltage: 18 Volts
  • Impact Drive Type: 1/2" Square Drive
  • Maximum Torque: 160 ft-lbs
  • Speed Settings: Two Speed
  • Max. No Load RPM Speed: 2,100 RPM
  • Max. Impacts Per Minute: 3,000 IPM
  • Handle Style: Mid-Handle
  • Switch Style: Trigger Switch
  • Charger Type: Standard AC Charger
  • Battery Style: Pod
  • Number of Batteries: Two Batteries
  • Length: 7-5/8"
  • Product Weight (lbs.): 5.30 Pounds
  • Manufacturers Warranty: 3 Years
  • Length: 7-5/8"

Most DeWalt Tools purchased on or after January 1, 2004 come with a warranty package that includes a Three-Year Limited Warranty and a One-Year Free Service Contract. DeWalt Hand Tools and Mechanics tools are covered by a Limited lifetime warranty. For specific tool exceptions and warranty information on tools purchased before January 1, 2004, please visit

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