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  • DEWALT Bare-Tool DC820B 1/2-Inch 18-Volt Cordless Impact Wrench (Tool Only, No Battery)
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DEWALT Bare-Tool DC820B 1/2-Inch 18-Volt Cordless Impact Wrench (Tool Only, No Battery)

by DEWALT
| 24 answered questions

List Price: $178.86
Price: $92.88 & FREE Shipping. Details
You Save: $85.98 (48%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
  • Frameless motor for extended tool durability and life
  • Compact size and weight allow access into tighter areas and reduces user fatigue
  • 1,740 in-lbs of torque to perform a wide range of fastening applications
  • 0-2,400 rpm/0-2,700 ipm for faster application speed
  • Replaceable brushes for increased serviceability; Textured anti-slip comfort grip provides maximum comfort
See more product details
5 new from $92.00 4 used from $69.00 4 refurbished from $72.50

This Item Is Included in Our DEWALT Build-a-Kit Promotion. From January 5, 2015, through March 31, 2015, when you purchase two (2) select DEWALT bare power tools, you can get a DEWALT DC9096 18-volt battery and DC9310 charger for free when all products are shipped and sold by Amazon.com. Learn more
$92.88 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

DEWALT Bare-Tool DC820B 1/2-Inch 18-Volt Cordless Impact Wrench (Tool Only, No Battery) + TEKTON 4957 Impact Adapter and Reducer Set, Cr-V, 4-Piece + TEKTON 4971 1/2-Inch Drive Impact Extension Bar Set, Cr-V, 3-Piece
Price for all three: $115.02

Buy the selected items together

Special Offers and Product Promotions

  • From January 1, 2015, through March 31, 2015, when you purchase two (2) select DEWALT bare power tools, you can get a DEWALT DC9096 18-volt battery and DC9310 charger for free when all products are shipped and sold by Amazon.com. Here's how (restrictions apply)
  • Buy Used and Save: Buy a Used "DEWALT Bare-Tool DC820B 1/2-Inch 18-Volt Cordless ..." and save 61% off the $178.86 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Compare to Similar Items


This item: DEWALT Bare-Tool DC820B 1/2-Inch 18-Volt Cordless Impact Wrench (Tool Only, No Battery)
Customer Rating (209) (277) (63) (2147)
Price $ 92.88 $ 149.00 $ 120.17 $ 109.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Always Open Amazon.com
Voltage 18 volts 18 volts 20 volts 18 volts
Power Source battery-powered battery-powered Battery-Powered cordless-electric
Batteries Required Y Y Y Y
Battery Cell Composition NiCAD NiCAD Information not Provided NiCAD
Item Weight 2.2 pounds 5.75 pounds 2.2 pounds 3 pounds
Dimensions 4.13 inches x 5.75 inches x 6.69 inches 12.63 inches x 8.63 inches x 4.13 inches 3.86 inches x 5.7 inches x 15.77 inches 4.7 inches x 14.75 inches x 13.5 inches
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Product Information

Technical Details
Part Number 115-DC820B
Item Weight2.2 pounds
Product Dimensions5.8 x 6.7 x 4.1 inches
OriginMexico
Item model numberDC820B
Size13mm
Power Sourcebattery-powered
Voltage18 volts
Item Package Quantity1
Special Featurescompact
Included Componentsbare-tool
Batteries Required?Yes
Battery Cell TypeNiCAD
Warranty Description3 Year Limited Warranty
  
Technical Specification
  • Product Warranty: For warranty information about this product, please click here [PDF]
Additional Information
ASINB002VWK5QO
Best Sellers Rank #3,235 in Home Improvement (See top 100)
Shipping Weight2.4 pounds (View shipping rates and policies)
ShippingCurrently, item can be shipped only within the U.S.
Date First AvailableNovember 18, 2009
  
Warranty & Support

Product Warranty: For warranty information about this product, please click here [PDF]
Warranty, Parts: Parts
Feedback
 

Technical Details

  • compact

Product Description

Product Description

115-DC820B Features: -Frameless motor with replaceable brushes for extended tool durability and life.-Allows access into tighter areas and reduces user fatigue.-Textured ant-slip comfort grip provides maximum comfort. Specifications: -Drive Size: 1/2 in.-Drive Type: Square.-Voltage: 18.00 V.-Retainer Type: Detent Pin.-Speed: 0 rpm [Min], 2400 rpm [Max].-Cycle Rate: 0 ipm [Min], 2700 ipm [Max].-Torque: 1740.00 in lb [Max].-Handle Type: Anti-Slip Grip.-Includes: Bare Tool. Additional Info: 18V 1/2" Impact Wrench Bare Tool Cost is for a min. order of 1/EA UNSPSC: Testing Approvals:

Amazon.com

Offering first-rate performance and durability along with exceptional ergonomics, the DEWALT DC820B 18-volt, 1/2-inch cordless impact wrench is an ideal for driving fat lag screws or loosening large, corroded nuts. The 1/2-inch-drive, variable-speed impact wrench delivers both rotation (0-2,400 RPM) and concussive blows (0-2,700 BPM) directly to the fastener for an impressive 1,740 inch-pounds of turning force. It's powered by DEWALT's 18-volt cordless batteries (not included).

DEWALT DC820B
Compact size for easier access into tight spaces (view larger).

 

DEWALT DC820B
Built-in LED light (view larger).

Power and Performance

Ideal for heavy-duty jobs, the DC820B delivers 1,740 inch-pounds of torque and makes quick work of fastening jobs, and its heavy-duty impacting mechanism directs torque to the fastener without kickback. The DC820B has no load speed 0-2,400 RPM and a 0-2,700 impact minimum for faster application speed. Its 1/2-inch drive is square with detent pin retention.

Dependable, the DC820B includes a frameless motor with replaceable brushes--a money-saving design that also simplifies maintenance. It also features an all-metal transmission to ensure a long life.

Comfort and Convenience

Weighing in at just 2.2 pounds and measuring just 5-3/4 inches, this compact tool can get into tight spaces other models can't access when performing a range of applications. In addition, it offers an anti-slip grip that sits well in your hand for sustained on-the-job comfort. As user-friendly as it is powerful, the DC820B features the convenience of a built-in LED light, onboard bit storage, as well as a heavy-duty, magnesium gear case.

Bare Tool

This DEWALT cordless tool does not come with a battery or charger. It's compatible with the DC9096 18-volt XRP battery pack and DW9117 15-minute charger.

Warranty

This DEWALT tool is backed by three-year limited warranty covering any defects due to faulty materials or workmanship (from the date of purchase). It's also covered by DEWALT's one-year free service contract, where DEWALT will maintain the tool and replace worn parts caused by normal use--for free.

What's in the Box

One DEWALT DC820B 18-volt 1/2-inch cordless impact wrench and operating instructions (batteries and charger sold separately).

At a Glance
DC820B 18-Volt 1/2-Inch Cordless Impact Wrench
At a Glance:
  • Powerful 18-volt impact wrench with replaceable brushes

  • 1,740 inch-pounds of torque to perform a wide range of fastening applications

  • 0-2,400 RPM/0-2,700 RPM for faster application speed

  • Bare tool--doesn't include battery or charger

  • Three-year limited warranty; one-year free service
At a Glance


Important Information

Bulb Voltage
18 Volts

Customer Questions & Answers

Customer Reviews

Easily removes lug nuts from truck wheels.
Andrew S.
Great power, great battery life, pretty light weight.
Rick Brennan
It is the best Dewalt tool that I have ever bought.
randy hardy

Most Helpful Customer Reviews

57 of 61 people found the following review helpful By bucko on June 24, 2011
Verified Purchase
If you are looking at the DC823 or DC825 or any other 18v impact, get this instead. Why? 25% more torque than DC825 (1330 in/lb) and 240 more inch pounds than DC823(1500in/lb). The DC820 has 1740 in/lb. With a couple simple adapters you can do anything you can with the other 2 impacts. Any "impact rated" 1/2" to 3/8" adapter will get you the functionality of the DC823. There are several adapters to go from 1/2" to 1/4" hex as well, I chose the "ASIN:B002KKBBR4 Milwaukee 48-03-4410 Shockwave 1/2-Inch Square by 1/4-Inch Hex Adapter" and now I can do anything the DC825 can do as well. Just one bit of caution however when using it with the 1/4 hex adapter to drive screws, it is so powerful you can overdrive/break normal strength fasteners if you aren't paying attention. I also have the option of just putting a socket on and using it for automotive applications. It pulls lugs nuts off like a champ. This thing rocks, just buy it already!
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29 of 32 people found the following review helpful By Gordon on May 12, 2011
Verified Purchase
This is a useful tool with more power than you'd expect for its small size.

It's about 1.5 times the size and weight of my 1/4" hex drive impact tool but seems to have 4x the power. This obviously isn't going to out drive an air powered impact wrench but has more than enough power to handle lug nuts.

The only time this tool failed to impress me was removing large diameter stainless steel fasteners with seriously galled threads (an antenna mount that had been on our office roof for 10+ years.) The DC820B could break the seized 3/8 bolts but didn't have the power to break the 1/2" bolts. It tried and tried but couldn't quite get the job done. I could feel a slight flexing of the tool in my grip that probably robbed torque from the job at hand. To be fair, I had removed more than 50 bolts before attempting to free the seized bolts and didn't take the time to replace the battery so this isn't conclusive, your results may be better.

The only real design complaint I have about this tool is the socket retention mechanism. Instead of the spring loaded ball or hog ring systems used on most 1/2 air impact tools this one has a spring loaded "detent pin retention system". On my tool this requires using a small screwdriver or similar tool to push in the retention pin every time you want to change a socket. It was a hassle at first but now I just leave a short impact extension on the tool and change sockets on the extension.

I mention this since when looking at the parts diagram it appears that Dewalt has different models that use the hog ring system. One of those might be a better choice if you change sockets frequently.

Like one or two other reviewers mine emits a slight burning smell that seems to have gotten less noticeable the longer I use the tool. I have some other Dewalt tools that had the same problem but none have died (so far at least)
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16 of 19 people found the following review helpful By Johnny B. Good on December 17, 2010
Verified Purchase
This tool is small and light but has plenty of power for any 1/2" socket you would be likely to use. It works best with the lithium battery but the nicad works just fine although noticeably heavier. After using this tool hard for several days I'm not sure 5 stars is enough. The work performed per pound would have been unimaginable a few years back.
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6 of 6 people found the following review helpful By phil7782 on May 5, 2013
Verified Purchase
Probably more power than I usually need, but, it broke loose some rusted nuts on 1/2" bolts quite handily. For a price typically less than the 1/4" and 3/8" tools, you get more power, and with a few adapters, a full range of capability.
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5 of 5 people found the following review helpful By Amazon Customer on May 22, 2013
Verified Purchase
It's a Dewalt so it's amazing. This tool is 1/3 the size of my last one with more power plus it's battery operated so I can take it anywhere,
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5 of 5 people found the following review helpful By Jimmy Z on May 4, 2013
Verified Purchase
Nice and light weight. Breaks lug nuts fine, and great for pulling off head nuts on studs. There is no torque limiter, so be careful.
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7 of 8 people found the following review helpful By Jose Valenzuela on June 2, 2013
Verified Purchase
Easily removed my wheels on my skidsteer to replace the tires. If it can remove tractor wheels then car wheels should be a snap.Recommended
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4 of 4 people found the following review helpful By EARNEST B LYKINS on March 19, 2013
Verified Purchase
This cordless impact wrench works great for changing flats, adjust the hitch on trailers and various other situations.
Very good torque and really makes the job a lot easier.
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Most Recent Customer Reviews

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DEWALT Bare-Tool DC820B 1/2-Inch 18-Volt Cordless Impact Wrench (Tool Only, No Battery)
This item: DEWALT Bare-Tool DC820B 1/2-Inch 18-Volt Cordless Impact Wrench (Tool Only, No Battery)
Price: $178.86 $92.88
Ships from and sold by Amazon.com