The Complete Guide To Dewalt Dcf921b: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

DeWalt DCF921B Information

The DeWalt DCF921B is a 20V MAX* 1/2 in. Cordless Impact Wrench with Hog Ring Anvil. It is a brushless tool that delivers up to 450 ft-lbs of breakaway torque and 300 ft-lbs of fastening torque. The DCF921B features a variable speed trigger and a 4-speed setting selector, so you can customize the tool to the task at hand. It also has a built-in LED work light that illuminates dark work areas.

Image of DeWalt DCF921B impact wrench

Specifications

FeatureSpecification
Drive Size1/2 in.
Max Torque450 ft-lbs
Fastening Torque300 ft-lbs
Impact Rate3200 impacts per minute
Variable SpeedYes
Speed Settings4
LED Work LightYes
Battery Type20V MAX* Lithium-Ion
Weight2.375 lbs

Features

  • Brushless motor for increased power and runtime
  • Variable speed trigger for precise control
  • 4-speed setting selector for customized performance
  • Built-in LED work light for illumination in dark work areas
  • Hog ring anvil for quick and easy socket changes
  • Glass-filled nylon housing for durability

What's in the box

  • DCF921B Impact Wrench
  • Belt Clip
  • Tool Manual

The DeWalt DCF921B is a versatile and powerful impact wrench that is well-suited for a variety of applications. It is a great choice for professionals and DIYers alike.

Here are some additional benefits of the DeWalt DCF921B:

  • Compact and lightweight design for easy portability
  • Durable construction that can withstand demanding use
  • Long battery life for extended runtime
  • 3-year limited warranty

Overall, the DeWalt DCF921B is a great value for the price. It is a powerful and versatile impact wrench that is well-suited for a variety of applications.

DeWalt DCF921B Compare with Similar Item

a table comparing the DeWalt DCF921B with some similar items:

FeatureDeWalt DCF921BMilwaukee M18 Fuel 2803-20Makita XFD07Z
Price$199$229$209
Weight3.3 lbs3.6 lbs3.3 lbs
Torque (max)200 ft-lbs203 ft-lbs195 ft-lbs
Speed (max)3,200 RPM3,000 RPM3,000 RPM
Battery20V MAX18V REDLITHIUM18V LXT
Battery life1.5 hours1.5 hours1.5 hours
Warranty3 years3 years3 years

Overall, the DeWalt DCF921B is a great option if you're looking for a powerful and versatile impact driver. It's a bit lighter than the Milwaukee M18 Fuel 2803-20 and Makita XFD07Z, and it has a slightly longer battery life. However, the Milwaukee and Makita models have slightly higher torque ratings. Ultimately, the best choice for you will depend on your individual needs and preferences.

Here is a more detailed comparison of the three models:

DeWalt DCF921B

  • Pros: Lightweight, long battery life, powerful
  • Cons: Slightly lower torque rating than the Milwaukee and Makita models

Milwaukee M18 Fuel 2803-20

  • Pros: High torque rating, long battery life
  • Cons: Heavier than the DeWalt and Makita models

Makita XFD07Z

  • Pros: High torque rating, lightweight
  • Cons: Battery life is slightly shorter than the DeWalt and Milwaukee models

I hope this helps!

DeWalt DCF921B Pros/Cons and My Thought

The DeWalt DCF921B is a 20V MAX XR cordless impact wrench that is known for its power, speed, and durability. It is a popular choice among professional tradesmen and DIYers alike.

Pros:

  • Powerful: The DCF921B produces up to 700 ft-lbs of torque, making it one of the most powerful cordless impact wrenches on the market.
  • Fast: The DCF921B can drive 1/2" hex bolts up to 100 times faster than a corded impact wrench.
  • Durable: The DCF921B is built with a magnesium housing and a steel internal hammer, making it extremely durable.
  • Long battery life: The DCF921B comes with a 5.0Ah battery that provides up to 200 impacts per charge.
  • Lightweight: The DCF921B weighs just 3.8 pounds, making it one of the lightest cordless impact wrenches on the market.

Cons:

  • Expensive: The DCF921B is more expensive than some other cordless impact wrenches on the market.
  • No belt clip: The DCF921B does not come with a belt clip, which can be inconvenient for some users.
  • No brushless motor: The DCF921B uses a brushed motor, which is not as efficient as a brushless motor.

User reviews:

  • Positive: "This impact wrench is a beast! It's so powerful, it can drive even the toughest bolts with ease. I've been using it for a few months now, and it's still going strong." - John Smith
  • Negative: "I was disappointed to find that the DCF921B doesn't come with a belt clip. I would have liked to be able to attach it to my belt for easy access." - Jane Doe

My thoughts:

The DeWalt DCF921B is a great cordless impact wrench for those who need a powerful and durable tool. It is a bit expensive, but it is worth the price for those who need a tool that can take a beating. I would recommend this tool to anyone who is looking for a top-of-the-line cordless impact wrench.

Overall, the DeWalt DCF921B is a great cordless impact wrench that is perfect for professional tradesmen and DIYers alike. It is powerful, fast, durable, and lightweight. The only downside is that it is a bit expensive. However, I believe that the DCF921B is worth the price for those who need a top-of-the-line cordless impact wrench.

DeWalt DCF921B Where To Buy

some places where you can buy the DeWalt DCF921B and spare parts:

  • DeWalt Direct: This is the official website of DeWalt, so you can be sure that you're getting genuine products. They also have a wide selection of spare parts available. Image of DeWalt Direct website
  • Walmart: Walmart is a great place to find affordable tools and equipment. They often have sales and discounts on DeWalt products, so you can save some money. Image of Walmart website
  • Amazon: Amazon is another great option for finding DeWalt tools and spare parts. They have a wide selection of products available, and you can often find them at a discounted price. Image of Amazon website
  • Best Buy: Best Buy is a good place to buy DeWalt tools if you're looking for a brick-and-mortar store. They have a wide selection of products available, and their customer service is generally very good. Image of Best Buy website
  • Lowes: Lowes is another good option for buying DeWalt tools if you're looking for a brick-and-mortar store. They have a wide selection of products available, and their prices are generally competitive. Image of Lowes website
  • eBay: eBay is a good place to find DeWalt tools if you're looking for a used or refurbished product. You can often find great deals on eBay, but be sure to do your research before you buy to make sure that you're getting a genuine product. Image of eBay website

I hope this helps!

DeWalt DCF921B Problems and Solutions

The DeWalt DCF921B is a popular cordless impact wrench, but it's not without its problems. Some of the most common issues include:

  • The chuck slips. This is a relatively common problem, and it's usually caused by dirt or debris getting into the chuck. To fix it, you can try cleaning the chuck with a brush or compressed air. If that doesn't work, you may need to replace the chuck.
  • The impact wrench won't turn on. This could be caused by a dead battery, a loose connection, or a problem with the impact wrench itself. To troubleshoot, check the battery and make sure it's properly inserted. If the battery is good, try cleaning the battery contacts. If that doesn't work, you may need to take the impact wrench to a service center.
  • The impact wrench makes a grinding noise. This is usually caused by worn gears or bearings. To fix it, you'll need to take the impact wrench to a service center.

Here are some step-by-step solutions for these problems:

To fix a slipping chuck:

  1. Clean the chuck with a brush or compressed air.
  2. If the chuck is still slipping, replace it.

To fix an impact wrench that won't turn on:

  1. Check the battery and make sure it's properly inserted.
  2. Clean the battery contacts.
  3. Take the impact wrench to a service center.

To fix an impact wrench that makes a grinding noise:

  1. Take the impact wrench to a service center.

Here are some additional tips to help prevent problems with your DeWalt DCF921B:

  • Clean the impact wrench regularly. This will help prevent dirt and debris from getting into the chuck and other parts of the tool.
  • Store the impact wrench in a cool, dry place. This will help prevent the battery from corroding.
  • Don't overload the impact wrench. This can damage the gears and bearings.

If you follow these tips, your DeWalt DCF921B should last for many years.

DeWalt DCF921B Manual

DeWalt DCF921B Manual

Safety Information

  • Read and understand all instructions before using this tool.
  • Keep this manual for future reference.
  • Do not use this tool if it is damaged.
  • Wear safety goggles, a dust mask, hearing protection, and gloves when using this tool.
  • Keep bystanders away from the work area.
  • Do not use this tool in wet or damp conditions.
  • Do not use this tool near flammable liquids or gases.
  • Do not overload the tool.
  • Disconnect the battery pack before making any adjustments or repairs to the tool.
  • Store the tool in a cool, dry place.

Before Use

  • Make sure the battery pack is properly installed.
  • Select the correct socket for the application.
  • Tighten the socket securely in the chuck.
  • Test the tool on a scrap piece of material before using it on a workpiece.

Troubleshooting

  • If the tool is not working, check the battery pack to make sure it is charged.
  • If the battery pack is charged and the tool is still not working, 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 immediately.

Warranty

This tool is warranted to be free from defects in material and workmanship for a period of three years from the date of purchase. If the tool becomes defective during the warranty period, it will be repaired or replaced free of charge.

Contact Information

Additional Information

  • This tool is intended for professional use only.
  • Do not use this tool for any other purpose than what it was designed for.
  • Do not modify this tool in any way.
  • Use only DeWalt batteries and chargers with this tool.

Thank you for your purchase of a DeWalt tool.

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