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  • DEWALT Bare-Tool DC821B 18-Volt 1/2'' Cordless Impact Wrench (Tool Only, No Battery)
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DEWALT Bare-Tool DC821B 18-Volt 1/2'' Cordless Impact Wrench (Tool Only, No Battery)

by DEWALT
17 customer reviews

List Price: $223.96
Price: $112.20 & FREE Shipping. Details
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  • Heavy-duty DEWALT-built motor provides long life under continuous heavy use conditions
  • 0-2,100 rpm/0-3000 ipm for fast application speed
  • Durable all-metal gear case and transmission provide jobsite-ready durability
  • 160-Foot-pounds 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
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5 new 3 used from $99.99 1 refurbished from $218.47

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$112.20 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

DEWALT Bare-Tool DC821B 18-Volt 1/2'' Cordless Impact Wrench (Tool Only, No Battery) + DEWALT DC9096-2 18-Volt XRP 2.4 Amp Hour NiCad Pod-Style Battery (2-Pack) + DEWALT DC9310 7.2-Volt-18-Volt 1-Hour Charger
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Product Description

Product Description

Includes 18V Cordless 1/2 in. High Torque Impact Wrench (Bare Tool) - DC821B, Bare Tool - Battery and Charger Sold Separately

From the Manufacturer

The DEWALT DC821B 1/2-Inch 18-Volt Cordless High Torque Impact Wrench has a heavy-duty DEWALT-built motor that provides long life under continuous heavy use conditions. It runs 0-2,100 rpm/0-3,000 ipm for fast application speed. Durable all-metal gear case and transmission provide jobsite-ready durability. 160-Foot-pounds of max torque provides power to perform a wide range of fastening applications. The variable speed trigger and electric brake provide control for tightening and loosening fasteners. It has a textured ant-slip comfort grip that provides maximum comfort and control. The heavy-duty impact mechanism directs torque to fastener without kickback. It is compatible with the DEWALT 18V System and works with all 18V DEWALT Batteries.

Product Information

Technical Details
Part Number DC821B
Item Weight3.4 pounds
Product Dimensions8.4 x 8.2 x 3.5 inches
OriginMexico
Item model numberDC821B
ColorYellow
Power Sourcecordless-electric
Voltage18 volts
Item Package Quantity1
Batteries Required?Yes
Battery Cell TypeNiCAD
Warranty Description3 Year Limited
  
Additional Information
ASINB001CYKM4M
Best Sellers Rank #64,606 in Home Improvement (See top 100)
Shipping Weight3.4 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableJuly 19, 2008
  
Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
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Important Information

Bulb Voltage
18.00 Volts

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

26 of 26 people found the following review helpful By Chris on March 1, 2012
Verified Purchase
This tool is awesome, its pretty much the size of an 18v Compact drill if not smaller. I bought it hoping I could use it for automotive purposes such as changing tires instead of using my compressor. My father has the 820, which is the size of the 18v impact driver. It is rated for 145 ft/lbs or torque I believe, and he also has the DW059 which has 300 ft/lbs torque. This 821 has 160 ft/lbs of torque. I thought it would be enough for car tires but it wasn't. I still had to break the lugs loose before I could use this tool. It is more suited for driving lag bolts in decks and changing your lawn mower blades ect. I ended up selling it to my cousin for his commercial lawn service and I bought the big boy dw059. It is about 3x the size of the 821but you don't have to worry about having enough power. Hopefully this review helps you decide which one you need if you are on the fence. Buy the 059 for your first impact, and this one as a backup for smaller jobs.
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4 of 4 people found the following review helpful By Tool Bob on January 19, 2013
Verified Purchase
I have several Dewalt tools and have found them well built and reliable. However,I purchased this impact wrench to carry in my truck in case of a flat tire. Luckily, I tried removing the lug nuts soon after it's arrival to make sure it was up to the task. Although rated at 145 ft/pounds I'm sorry to report that it was totally ineffective in removing lug nuts torqued to 95 ft/pounds after a recent tire rotation. I have boxed up the tool and it will soon be on it's way back to the sender.
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5 of 6 people found the following review helpful By B D on December 28, 2011
Verified Purchase
I bought this tool as I have a project that has a lot of bolts that need righting, in an inaccessible location away from power, and figured this may make the work easier, but was concerned about the ability of the tool to preform, As in the past I have disappointed in most of the corded "Electric" type impacts I have used. I have been pleased with the performance of Air impacts I have used, (have 3/8" through 1") what I am trying to say is I think I know how an impact should preform, and this one does preform.

After getting the tool I was pleasantly pleased with the power, and the weight,
It has enough power to do (properly) tightened car lug nuts, and for most all normal assembly work.
(it probably will not take apart old badly rusted, mangled bolts/nuts, I would compare it more to a good 3/8" air tool) (but I have been using it on a lot of 1/2" painted up bolts. This was the reason I bought it. About 200 hundred of them, and it has done all of them.)

I like the reverse on it (it is like the drills, with a slide switch (not a rocker), and it is variable speed, which one can control the torque on the bolt/nut being tightened,

I have found my self grabbing this tool the last few weeks instead of pulling out the air wrench and hose on most of the items I have worked on the last few weeks,

The battery life on it is good to excellent as well, I was surprised on how long a good battery will last,
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Verified Purchase
I have had this product for 2 years now. I use it roughly 7.5 hrs a day dismantling cars. it has great take off speed, never really worry about stripping bolt when i put in oil pan bolts. after 1.5 years of knocking around the ground from the trigger to the motor in the back became lose. i dont know if you can see but on this model there are four screws that attach the aluminum cover to the plastic and 4 more screws on the plastic that hold it together, i simply took it apart and tighted the wire connection and it was good as new. I've dropped this in puddles mud, 20ft off the ground. i abuse it and it still stands up. I run 2 NiCD dewalt brand batteries everyday. each get about 2 hr life and charge up in 45 minutes. love this gun. the new ones are a 2" shorter in profile, you cant dissasemble them as esily. same torque, but the new ones make really really loud rattling noise. if this one starts rattling you should loosen the bolt with a breaker bar first otherwise you will wear out the hammer. mine is still going, but my buddies i warn my buddies when they use mine if it starts to rattle dont sit on the trigger. it also doesnt rattle as loud as the new ones.
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1 of 1 people found the following review helpful By Michael L. Gardner on September 24, 2012
Verified Purchase
Dewalt has a new toolbox in my garage, this drives bolts into wood, and helps with auto chores. its everything I expected.
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1 of 1 people found the following review helpful By SandyM on June 18, 2012
Verified Purchase
We really like this product. It is light weight and easy to handle. Packs and transports very well, but is very powerful.
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By rosscor on September 14, 2014
Verified Purchase
great for medium duty ,a must for pro's.great when l take out trannys because it is small. but strng.

tt wont crack seized or overtight,rusty bolts so l sometimes will crack with my power bar, then run them out with this unit.

will tighten bolts quite satisfactory although the big 1,2 inch gun is good this is faster and fast makes me more things accomplished at the end of the day.
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By Rik4 on June 21, 2015
Verified Purchase
Good tool. Perfect for the need. Would have gave it 5 stars. But, it's a tool that did what it was intended for. Not a wonder tool!
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DEWALT Bare-Tool DC821B 18-Volt 1/2'' Cordless Impact Wrench (Tool Only, No Battery)
This item: DEWALT Bare-Tool DC821B 18-Volt 1/2'' Cordless Impact Wrench (Tool Only, No Battery)
Price: $112.20
Ships from and sold by Amazon.com

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