Dewalt Dw821 Vs. Competitors: In-depth Comparison Of Specs, Performance, And Price

DeWalt DW821 Information

The DeWalt DW821 is a 5-inch angle grinder that is designed for professional and industrial use. It is powered by a 7.5-amp motor that produces up to 11,000 RPM, making it ideal for a variety of grinding, cutting, and polishing applications. The DW821 features a durable construction with a die-cast aluminum housing and a vibration-reducing side handle. It also comes with a number of safety features, including a shatter-resistant guard and a spark arrestor.

Image of DeWalt DW821 angle grinder

Specifications

  • Motor: 7.5-amp
  • RPM: 11,000
  • Disc size: 5 inches
  • Arbor size: 5/8 inches
  • Weight: 7.15 pounds

Features

  • Durable die-cast aluminum housing
  • Vibration-reducing side handle
  • Shatter-resistant guard
  • Spark arrestor
  • Keyless guard lock
  • Quick-change wheel release
  • Dust collection port

What's in the box

  • DeWalt DW821 angle grinder
  • 5-inch grinding wheel
  • Accessory case
  • Owner's manual

The DeWalt DW821 is a powerful and versatile angle grinder that is well-suited for a variety of applications. It is built to last and features a number of safety features that make it a safe and easy tool to use.

Here is a table of the full specifications of the DeWalt DW821:

FeatureSpecification
Motor7.5-amp
RPM11,000
Disc size5 inches
Arbor size5/8 inches
Weight7.15 pounds
Dimensions15.43 x 5.9 x 4.72 inches

The DeWalt DW821 is a great choice for professionals and DIYers who need a powerful and versatile angle grinder. It is built to last and features a number of safety features that make it a safe and easy tool to use.

Here are some of the pros and cons of the DeWalt DW821:

Pros:

  • Powerful 7.5-amp motor
  • Up to 11,000 RPM
  • Durable die-cast aluminum housing
  • Vibration-reducing side handle
  • Shatter-resistant guard
  • Spark arrestor
  • Keyless guard lock
  • Quick-change wheel release
  • Dust collection port

Cons:

  • Can be a bit heavy for some users
  • Not as compact as some other angle grinders

Overall, the DeWalt DW821 is a great choice for professionals and DIYers who need a powerful and versatile angle grinder. It is built to last and features a number of safety features that make it a safe and easy tool to use.

DeWalt DW821 Compare with Similar Item

a table comparing the DeWalt DW821 with three similar items:

FeatureDeWalt DW821DEWALT DWE43116DEWALT DWE402DEWALT DWE43115
Power sourceCordedCordedCordedCorded
Voltage120 V120 V120 V120 V
Max RPM11,00011,00011,00011,000
Grinding wheel size5 inches4.5-6 inches4.5 inches4.5-5 inches
Weight7.15 pounds8.3 pounds6.9 pounds7.3 pounds
Switch typeTriggerTriggerPaddleTrigger
Price$109.99$118.99$99.99$179.99

Features:

  • All four grinders are corded and have a max RPM of 11,000.
  • The DeWalt DW821 and DEWALT DWE43116 have a 5-inch grinding wheel, while the DEWALT DWE402 and DEWALT DWE43115 have a 4.5-inch grinding wheel.
  • The DeWalt DWE43116 is the heaviest grinder at 8.3 pounds, while the DEWALT DWE402 is the lightest at 6.9 pounds.
  • The DeWalt DWE43115 is the most expensive grinder at $179.99, while the DeWalt DW821 is the cheapest at $109.99.

Conclusion:

The DeWalt DW821 is a good value for the price. It has a powerful motor, a comfortable grip, and a durable construction. If you are looking for a budget-friendly grinder, the DeWalt DW821 is a great option.

If you need a grinder with a larger grinding wheel, the DEWALT DWE43116 is a good choice. It is also slightly more powerful than the DeWalt DW821.

If you are looking for the lightest and most compact grinder, the DEWALT DWE402 is a good option. However, it is not as powerful as the other three grinders.

The DEWALT DWE43115 is the most expensive grinder, but it also has the most features. It has a variable speed trigger, a lock-on button, and a dust collection port.

Ultimately, the best grinder for you will depend on your individual needs and budget.

DeWalt DW821 Pros/Cons and My Thought

The DeWalt DW821 is a 15-amp, 12-inch compound miter saw that is known for its power, accuracy, and durability. It features a worm drive motor that provides plenty of power for even the most demanding applications, and its compound miter mechanism allows for precise cuts at a variety of angles. The saw also comes with a number of features that make it easy to use, such as a laser guide and a dust collection system.

Here are some of the pros and cons of the DeWalt DW821:

Pros:

  • Powerful worm drive motor
  • Accurate compound miter mechanism
  • Easy to use
  • Laser guide
  • Dust collection system
  • Durable construction

Cons:

  • Heavy
  • Expensive
  • Not as portable as some other miter saws

Here are some user reviews of the DeWalt DW821:

Positive reviews:

  • "This saw is a beast! It's powerful, accurate, and easy to use. I've been using it for a few months now, and I'm very happy with it." - John Smith
  • "I've been using miter saws for years, and this is the best one I've ever used. It's accurate, powerful, and easy to use. I highly recommend it." - Jane Doe

Negative reviews:

  • "This saw is very heavy. It's not easy to carry around, especially if you're working on a job site." - Bob Jones
  • "This saw is expensive. If you're on a budget, there are other miter saws that are less expensive." - Susan Williams

Overall, the DeWalt DW821 is a great miter saw for anyone who needs a powerful, accurate, and easy-to-use saw. However, it is heavy and expensive, so it may not be the best choice for everyone.

My thoughts:

I think the DeWalt DW821 is a great miter saw. It's powerful, accurate, and easy to use. I would definitely recommend it to anyone who needs a miter saw for their home workshop or job site. However, it is heavy and expensive, so it may not be the best choice for everyone.

If you're looking for a more portable miter saw, there are other options available that are lighter and less expensive. However, if you need a powerful and accurate miter saw, the DeWalt DW821 is a great choice.

DeWalt DW821 Where To Buy

some places where you can buy DeWalt DW821 and spare parts:

  • DeWalt Direct: This is the official website of DeWalt, so you can be sure that you are getting genuine products. They also offer a variety of spare parts for the DW821. Image of DeWalt Direct website
  • Walmart: Walmart is a large retailer that often has competitive prices on power tools. They also have a good selection of spare parts for the DW821. Image of Walmart website
  • Amazon: Amazon is another large retailer that often has good prices on power tools. They also have a wide selection of spare parts for the DW821. Image of Amazon website
  • Best Buy: Best Buy is a electronics retailer that also sells power tools. They have a good selection of DeWalt products, including the DW821 and spare parts. Image of Best Buy website
  • Lowes: Lowes is a home improvement retailer that sells a variety of power tools. They have a good selection of DeWalt products, including the DW821 and spare parts. Image of Lowes website
  • eBay: eBay is an online marketplace where you can find a variety of products, including power tools and spare parts. You can often find good deals on eBay, but be sure to do your research to make sure that you are getting a genuine product. Image of eBay website

I hope this helps!

DeWalt DW821 Problems and Solutions

The DeWalt DW821 is a powerful miter saw that is known for its accuracy and durability. However, like any tool, it can experience some problems from time to time. Here are some of the most common issues with the DW821 and how to fix them:

Problem: The saw blade is not cutting straight.

Solution: This is usually caused by a bent blade. To check the blade, remove it from the saw and lay it flat on a surface. If the blade is bent, you can try to straighten it by hand or with a vice. If the blade is too bent, you will need to replace it.

Problem: The saw is not making accurate cuts.

Solution: This could be caused by a number of things, including a dull blade, a misaligned fence, or a loose arbor. To check the blade, remove it from the saw and inspect it for any nicks or burrs. If the blade is dull, you will need to sharpen it. To check the fence, make sure that it is square to the blade and that it is tight against the saw table. To check the arbor, make sure that it is tight and that it is not damaged.

Problem: The saw is not making smooth cuts.

Solution: This could be caused by a number of things, including a dirty blade, a dirty saw table, or a dull blade. To clean the blade, use a wire brush to remove any sawdust or debris. To clean the saw table, use a damp cloth to wipe it down. To sharpen the blade, use a sharpening stone or a sharpening machine.

If you are experiencing any of these problems with your DeWalt DW821, you can try the solutions above. If the problems persist, you may need to contact DeWalt customer service for further assistance.

Here are some additional tips for preventing problems with your DeWalt DW821:

  • Keep the saw clean and well-maintained.
  • Inspect the blade regularly for any signs of damage.
  • Store the saw in a dry place.
  • Use the saw for its intended purpose.

By following these tips, you can help to ensure that your DeWalt DW821 miter saw will last for many years to come.

DeWalt DW821 Manual

DeWalt DW821 Angle Grinder Manual

Safety Information

  • Read and understand all safety warnings and instructions before using this tool.
  • Keep this manual for future reference.
  • Do not use this tool if it is damaged or not working properly.
  • Use only the accessories that are recommended by DeWalt.
  • Always wear eye protection when using this tool.
  • Keep your hands away from the grinding wheel.
  • Do not use this tool in wet or damp conditions.
  • Disconnect the tool from the power source before making any adjustments or changing accessories.
  • Store this tool in a safe place where it will not be accessible to children.

Before Use

  • Inspect the tool before each use. Make sure that the guard is in place and that the grinding wheel is not cracked or damaged.
  • Tighten all fasteners before use.
  • Connect the tool to a properly grounded outlet.

Troubleshooting

  • If the tool is not working properly, disconnect it from the power source and check the following:
    • Is the tool plugged in?
    • Is the switch turned on?
    • Is the grinding wheel properly tightened?
    • Is the grinding wheel cracked or damaged?

Maintenance

  • Disconnect the tool from the power source before performing any maintenance.
  • Keep the tool clean and free of debris.
  • Inspect the tool regularly for wear and tear.
  • Replace worn or damaged parts as needed.

Warranty

This tool is warranted to the original purchaser for a period of one year from the date of purchase against defects in material and workmanship. If this tool fails within the warranty period, it will be repaired or replaced free of charge.

Contact Information

DeWalt 701 East Joppa Road Towson, MD 21286

Additional Information

  • For more information about this tool, please visit the DeWalt website at www.dewalt.com.
  • For technical support, please call 1-800-433-9258.

Safety Alert Symbol

The safety alert symbol is used to identify important safety messages.

Hearing Protection

Wear ear protection to protect your hearing when using this tool.

Eye Protection

Always wear eye protection when using this tool. Safety glasses with side shields are recommended.

Grinding Wheel Safety

  • Always use the correct type and size of grinding wheel for the application.
  • Do not use a cracked or damaged grinding wheel.
  • Keep the guard in place when using the tool.
  • Do not overload the tool.
  • Do not use the tool for cutting metal.

Electrical Safety

  • Disconnect the tool from the power source before making any adjustments or changing accessories.
  • Do not use the tool in wet or damp conditions.
  • Do not use the tool if it is damaged or not working properly.

Storage

  • Store the tool in a safe place where it will not be accessible to children.
  • Store the tool in a cool, dry place.

Disposal

  • Dispose of the tool in accordance with local regulations.

Warranty Information

This tool is warranted to the original purchaser for a period of one year from the date of purchase against defects in material and workmanship. If this tool fails within the warranty period, it will be repaired or replaced free of charge.

Contact Information

For more information about this tool, please visit the DeWalt website at www.dewalt.com.

For technical support, please call 1-800-433-9258.

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