The Complete Guide To Dewalt Dc821ka: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

DeWalt DC821KA Information

The DeWalt DC821KA is a 1/2-inch cordless impact wrench that is powered by two 18V XRP batteries. It has a maximum torque of 160 ft-lbs and can deliver up to 3,000 impacts per minute. The impact wrench is equipped with a variable-speed trigger with electric brake, a commercial-grade motor with durable all-metal gear case, a textured, anti-slip grip, and an all-metal transmission.

Image of DeWalt DC821KA impact wrench

Specifications

Feature	Specification
Motor	18V XRP
Torque	160 ft-lbs
Impacts per minute	0-3,000
Speed	0-2,100 RPM
Chuck size	1/2-inch square drive
Weight	5.5 pounds
Dimensions	10.2 x 5.1 x 4.7 inches

Features

• Variable-speed trigger with electric brake
• Commercial-grade motor with durable all-metal gear case
• Textured, anti-slip grip
• All-metal transmission
• Unique impact mechanism that reduces kickback and directs all that torque to the fastener
• Two 18V XRP batteries included
• One-hour charger included
• Storage case included

What's in the box?

• DeWalt DC821KA impact wrench
• Two 18V XRP batteries
• One-hour charger
• Storage case
• Instruction manual

The DeWalt DC821KA is a powerful and versatile impact wrench that is ideal for a variety of applications. It is perfect for loosening lug nuts, bolts, and other fasteners. The impact wrench is also lightweight and easy to use, making it a great choice for both professional and DIY users.

Advantages

• Powerful
• Versatile
• Lightweight
• Easy to use
• Durable
• Long battery life

Disadvantages

• Can be a bit noisy
• Not the cheapest impact wrench on the market

Overall, the DeWalt DC821KA is a great choice for anyone looking for a powerful and versatile cordless impact wrench. It is well-made, easy to use, and has a long battery life. If you are looking for an impact wrench that can handle even the toughest jobs, the DC821KA is a great option.

DeWalt DC821KA Compare with Similar Item

a table comparison of the DeWalt DC821KA and some similar items:

Feature	DeWalt DC821KA	Makita XFD07Z	Milwaukee M18 FUEL
Motor type	Brushless	Brushless	Brushless
No-load speed	5,500 RPM	5,000 RPM	5,000 RPM
Max torque	1,400 in-lbs	1,350 in-lbs	1,200 in-lbs
Chuck size	1/2"	1/2"	1/2"
Battery compatibility	DeWalt 20V MAX	Makita 18V LXT	Milwaukee M18
Weight	5.7 lbs	5.2 lbs	5.3 lbs
Price	$250	$240	$270

As you can see, the DeWalt DC821KA is a very capable impact wrench, with a brushless motor, high no-load speed, and maximum torque. It is also compatible with a wide range of DeWalt 20V MAX batteries. However, it is slightly heavier than the Makita XFD07Z and Milwaukee M18 FUEL.

The Makita XFD07Z is a very similar impact wrench, with the same brushless motor, no-load speed, and maximum torque. However, it is slightly lighter and more compact than the DeWalt DC821KA. It is also compatible with a wider range of Makita 18V LXT batteries.

The Milwaukee M18 FUEL is also a very capable impact wrench, with a brushless motor, high no-load speed, and maximum torque. It is also very lightweight, making it a good choice for users who need a portable impact wrench. However, it is slightly more expensive than the DeWalt DC821KA and Makita XFD07Z.

Ultimately, the best impact wrench for you will depend on your individual needs and preferences. If you are looking for a powerful and versatile impact wrench, the DeWalt DC821KA is a great option. If you are looking for a lightweight and portable impact wrench, the Makita XFD07Z or Milwaukee M18 FUEL are good choices.

DeWalt DC821KA Pros/Cons and My Thought

The DeWalt DC821KA is a 1/2-inch cordless impact wrench that is powered by two 18-volt XRP batteries. It has a variable-speed trigger with an electric brake, a commercial-grade motor with a durable all-metal gear case, a textured, anti-slip grip, an all-metal transmission, and a unique impact mechanism that reduces kickback and directs all that torque to the fastener.

Pros:

• Powerful: The DC821KA has a maximum torque of 1,200 ft-lbs, which makes it capable of removing even the most stubborn lug nuts.
• Compact and lightweight: The DC821KA is only 13.5 inches long and weighs 5.5 pounds, making it easy to maneuver in tight spaces.
• Durable: The DC821KA is built with a commercial-grade motor and an all-metal gear case, making it it a reliable tool for professional users.
• Long battery life: The DC821KA comes with two 18-volt XRP batteries, which provide up to 200 impacts per charge.

Cons:

• Expensive: The DC821KA is a premium tool, and it comes with a premium price tag.
• Not as powerful as some other impact wrenches: The DC821KA has a maximum torque of 1,200 ft-lbs, which is less than some other impact wrenches on the market.
• Not as well-suited for heavy-duty use: The DC821KA is a great tool for general-purpose use, but it may not be as well-suited for heavy-duty use as some other impact wrenches.

User reviews:

Positive reviews:

• "This impact wrench is a beast! It's so powerful, it can remove lug nuts in seconds."
• "I've been using this impact wrench for a few months now, and it's been great. It's compact and lightweight, but it's still very powerful."
• "I'm a professional mechanic, and I use this impact wrench every day. It's been very reliable, and it's saved me a lot of time."

Negative reviews:

• "I was disappointed with the torque of this impact wrench. It wasn't as powerful as I expected."
• "This impact wrench is a little too expensive for my taste. I would have liked to see a lower price point."
• "I found that this impact wrench was not as well-suited for heavy-duty use as I would have liked. It started to bog down after a while."

My thoughts:

The DeWalt DC821KA is a great cordless impact wrench for general-purpose use. It's powerful, compact, and lightweight, making it easy to maneuver in tight spaces. It's also backed by DeWalt's three-year limited warranty, so you can be confident that it will last. However, if you're looking for an impact wrench for heavy-duty use, you may want to consider a different model.

Overall, I think the DeWalt DC821KA is a great value for the price. It's a powerful, compact, and reliable tool that would be a great addition to any toolbox.

DeWalt DC821KA Where To Buy

some places where you can buy DeWalt DC821KA and spare parts:

• DeWalt Direct: You can buy the DeWalt DC821KA directly from DeWalt's website. They have a wide selection of spare parts available as well.
• Walmart: Walmart is another good option for buying the DeWalt DC821KA. They often have competitive prices, and they also have a good selection of spare parts.
• Amazon: Amazon is a great place to buy just about anything, including the DeWalt DC821KA. They have a wide selection of products to choose from, and their prices are often very competitive.
• Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store to buy the DeWalt DC821KA. They have a limited selection of spare parts, but they do have a good selection of DeWalt tools.
• Lowes: Lowes is another good option for buying the DeWalt DC821KA in a brick-and-mortar store. They have a limited selection of spare parts, but they do have a good selection of DeWalt tools.
• eBay: eBay is a good option if you're looking for a used DeWalt DC821KA or spare parts. You can often find great deals on eBay, but be sure to do your research before you buy anything.

I hope this helps!

DeWalt DC821KA Problems and Solutions

some common issues and problems with the DeWalt DC821KA and their solutions:

Issue: The drill won't turn on.

Solution: Check the battery to make sure it is charged. If the battery is charged, try a different battery. If the drill still won't turn on, there may be a problem with the switch. In this case, you will need to replace the switch.

Issue: The drill overheats.

Solution: This is usually caused by using the drill for too long at a high speed. To prevent the drill from overheating, take breaks every 15-20 minutes to let the drill cool down. You can also try using a lower speed setting.

Issue: The chuck doesn't tighten.

Solution: This is usually caused by dirt or debris in the chuck. To clean the chuck, remove the chuck key and insert a small screwdriver into the hole in the chuck. Turn the screwdriver to loosen the chuck. Once the chuck is loose, remove any dirt or debris that is inside. Then, retighten the chuck using the chuck key.

Issue: The drill vibrates excessively.

Solution: This is usually caused by worn-out bearings. To replace the bearings, you will need to disassemble the drill. Once the drill is disassembled, remove the old bearings and install new bearings. Then, reassemble the drill.

Issue: The drill makes a loud noise.

Solution: This is usually caused by a worn-out bearing or a loose screw. To troubleshoot the noise, first try tightening any loose screws. If the noise persists, you will need to disassemble the drill to inspect the bearings. If the bearings are worn out, they will need to be replaced.

I hope this helps!

DeWalt DC821KA Manual

DeWalt DC821KA Manual

Safety Information

• Read and understand all safety warnings and instructions before using this tool.
• Keep this manual for future reference.
• Wear safety glasses and hearing protection when using this tool.
• Wear gloves and long sleeves when working with sharp objects.
• Do not use this tool in wet or damp conditions.
• Keep the tool and its cord away from heat and flames.
• Do not overload the tool.
• Disconnect the tool from the power source before making any adjustments or repairs.
• Do not use this tool if it is damaged or malfunctioning.

Before Use

• Make sure the tool is properly assembled and that all the safety guards are in place.
• Check the battery for damage or wear.
• Charge the battery according to the instructions in the battery manual.
• Do not use the tool if the battery is damaged or leaking.

Troubleshooting

• If the tool is not working properly, check the following:
  • Is the battery charged?
  • Is the tool properly assembled?
  • Are there any obstructions in the tool's path?
  • Is the tool overheating?
• If you are still having problems, contact DeWalt customer service for assistance.

Maintenance

• Keep the tool clean and free of debris.
• Inspect the tool regularly for signs of wear or damage.
• Replace worn or damaged parts as needed.
• Do not attempt to repair the tool yourself.

Warranty

• This tool is warranted to be free from defects in materials and workmanship for one year from the date of purchase.
• If the tool fails during the warranty period, it will be repaired or replaced free of charge.

Contact Information

• DeWalt
• 701 East Joppa Road
• Glen Burnie, MD 21060
• Phone: 1-800-4-DeWALT (1-800-433-9258)
• Website: www.dewalt.com

Additional Information

• This tool is designed for professional use.
• It should not be used by children or untrained persons.
• Use the tool only for its intended purpose.
• Do not use the tool if it is not properly assembled or if there are any signs of damage.
• Store the tool in a safe place when not in use.

Thank you for choosing DeWalt.