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DEWALT DC821KA 18-Volt 1/2-Inch Compact Impact Wrench

3.8 out of 5 stars 12 customer reviews

Price: $283.97 & FREE Shipping. Details
Only 2 left in stock (more on the way).
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  • Heavy-duty DEWALT-built motor provides long life under continuous heavy use conditions
  • 0-2,100 rpm/0-3,000 ipm for fast application speed
  • Durable all-metal gear case and transmission provide jobsite-ready durability
  • 160 ft-lbs of max torque provides power to perform a wide range of fastening applications
  • variable speed trigger and electric brake provide control for tightening and loosening fasteners; Textured ant-slip comfort grip provides maximum comfort and control
19 new from $283.78
Special Shipping Information: Due to federal and international regulations, this product can only be shipped within the continental United States.


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$283.97 & FREE Shipping. Details Only 2 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • DEWALT DC821KA 18-Volt 1/2-Inch Compact Impact Wrench
  • +
  • DEWALT DW22812 1/2-Inch 10-Piece IMPACT READY Socket Set
Total price: $321.96
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This item: DEWALT DC821KA 18-Volt 1/2-Inch Compact Impact Wrench
Customer Rating 4 out of 5 stars (12) 4 out of 5 stars (139) 4 out of 5 stars (328) 4 out of 5 stars (25)
Price $283.97 $269.88 See price in cart $109.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com CPO Outlets Amazon.com
Dimensions 4.7 inches x 14.75 inches x 13.5 inches 5.25 inches x 16 inches x 14.25 inches 4.13 inches x 8.63 inches x 12.63 inches 8.38 inches x 3.8 inches x 8.25 inches
Item Package Weight 11.85 pounds 14.7 pounds 5.65 pounds 3.35 pounds
Power Source battery-powered battery-powered battery-powered cordless-electric
Voltage 18 Volts 18 Volts 18 Volts 18 Volts
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Product Description

Amazon.com

Whether you're setting bolts at the end of a big deck building project or working with plumbing fixtures, the heavy-duty DeWalt DC821KA 1/2-Inch Impact Wrench makes your job easier. Powerful and easy to handle, this impact wrench is capable of delivering 0 to 2,100 RPM and maximum torque of 1,920-in./lbs for fast, reliable performance. Also offering a convenient, variable-speed reversing switch and an electric brake, this wrench allows you to maintain control in a wide variety of situations for better end products. An all-metal transmission, a DeWalt-built motor, and replaceable brushes that make maintenance easy all help ensure a long tool life, while XRP extended-run battery technology helps ensure that a dead battery never brings your work to a standstill. Included in this kit are two XRP 18-volt batteries, a one-hour charger, and a heavy-duty kit box for easy transport and storage.

From the Manufacturer

The next time you need to loosen large fasteners or corroded nuts, retire your ratchet wrench and reach for the DEWALT DC821KA Impact Wrench. Driven by an 18-volt XRP extended-run battery, the -1/2 -inch-drive, variable-speed wrench delivers both rotation (0-2,100 RPM) and concussive blows (0-3,000 BPM) directly to the fastener. The result is a nut-busting 1,920 -inch-lbs. of turning force. Other features include: variable-speed trigger with electric brake; commercial-grade motor with durable all-metal gear case; textured, anti-slip grip; all-metal transmission; and a unique impact mechanism that reduces kickback and directs all that torque to the fastener. DC821KA Cordless Impact Wrench comes with two 18-volt XRP batteries, one-hour charger and storage case. It’s backed by DEWALT’s three-year limited warranty, 90-day money-back guarantee, one-year free service contract, and two-year free service contract on the batteries.

Product Information

Technical Details

Part Number DC821KAR
Item Weight 11.8 pounds
Product Dimensions 14.8 x 13.5 x 4.7 inches
Item model number DC821KA
Size M
Color Yellow
Material Metal
Power Source battery-powered
Voltage 18 volts
Item Package Quantity 1
Measurement System Inch
Batteries Included? Yes
Batteries Required? Yes
Battery Cell Type NiCAD
Warranty Description 3 Year Limited Warranty

Additional Information

ASIN B000X1S0P8
Customer Reviews
3.8 out of 5 stars 12 customer reviews

3.8 out of 5 stars
Best Sellers Rank #370,654 in Home Improvements (See top 100)
#133 in Automotive > Tools & Equipment > Impact Wrenches > Cordless
#426 in Home Improvement > Power & Hand Tools > Power Tools > Impact Wrenches
#17,509 in Home Improvement > Contractor Supply
Shipping Weight 11.8 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available September 14, 2004

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Customer Reviews

Top Customer Reviews

Verified Purchase
I own a swimming pool company and install inground pools. We have to tighten approx. 250 of 3/8inch bolts per pool and I have found this Dewalt is the perfect tool to tighten the bolts to the proper torque we need. The battery life is ample and the tool is not too heavy. This kit comes with two batteries and when one dies, the other can be easily recharged (with the provided charger) before it is needed again. We have used these impacts commercially for 3 years now with no problems.

Good Job Dewalt,
Rick Tanguay, Pres. Tanguay Pools Inc.
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Verified Purchase
This was for one of our maintenance guys who is very hard on his equipment. His comment was that that was a very heavy duty drill. Great deal. Thanks
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This is a great addition to anyones toolbox.If you need portability and versatility in a powerful impact driver,this is it.Amazing power to break loose even 15/16 bolts,much to my suprise.Batteries hold there charge for a long time and will charge quickly with the charger provided.I highly recommend this impact driver.
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Best tool dewalt ever made.To bad they have replaced it with a newer one.The new one is smaller but the nose is made of plastic,good for around the house will not hold up on the job for everyday use. DWV
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Verified Purchase
Haven't had this Impact that long yet but have used it a lot around the farm. Seems to have a long battery life and have a good amount of power. I highly recommend this impact driver
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This is an excellent drill. I've owned it for 3 years and used it pretty heavily during that time. The exterior of the drill is pretty beat up at this point, but everything still works the way it should.

A feature I would love to see DeWalt adopt would be to flatten the back side of the drill and battery so that the drill could be set flat on its back and not tip over. This would be really useful when trying to use it in a confined space. I used to have an old Panasonic drill that was made that way, and it was great.

If you want a long lasting quality drill, DEWALT is the way to go.
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