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The Complete Guide To Dewalt D21101: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

DeWalt D21101 Information

The DeWalt D21101 is a 12-volt cordless rotary hammer drill that is designed for a variety of drilling and hammering applications. It features a powerful motor that delivers up to 550 watts of hammering power, making it ideal for heavy-duty jobs such as drilling through concrete and masonry. The D21101 also features a 2-speed transmission that provides variable speed and torque control for precise drilling and hammering, as well as a 30-position clutch that prevents overdriving screws. The drill is lightweight and compact for easy handling, and it comes with a variety of features that make it a versatile tool for a variety of tasks.
Image of DeWalt D21101 rotary hammer drill

Full Specifications

  • Motor: 12-volt
  • Hammering power: 550 watts
  • Speeds: 2
  • Clutch positions: 30
  • Chuck size: 1/2 inch
  • Weight: 3.6 pounds
  • Dimensions: 10.2 inches long x 6.5 inches wide x 4.5 inches high

Features

  • Powerful motor delivers up to 550 watts of hammering power
  • 2-speed transmission provides variable speed and torque control
  • 30-position clutch prevents overdriving screws
  • Lightweight and compact for easy handling
  • Includes a variety of accessories, including a side handle, depth gauge, and carrying case

What's in the Box

  • DeWalt D21101 rotary hammer drill
  • Side handle
  • Depth gauge
  • Carrying case

Pros

  • Powerful motor
  • 2-speed transmission
  • 30-position clutch
  • Lightweight and compact
  • Includes a variety of accessories

Cons

  • Not as powerful as some other cordless rotary hammer drills
  • Chuck can be a bit difficult to tighten

Overall, the DeWalt D21101 is a powerful and versatile cordless rotary hammer drill that is ideal for a variety of drilling and hammering applications. It is lightweight and compact for easy handling, and it comes with a variety of features that make it a great choice for DIYers and professionals alike.

DeWalt D21101 Compare with Similar Item

a table comparing the DeWalt D21101 to some similar items:

FeatureDeWalt D21101Milwaukee 2705-20Makita XFD07Z
Motor typeBrushlessBrushlessBrushless
Voltage20V Max20V Max18V Max
Amps5.05.04.0
RPMs0-50000-50000-5000
Max torque150 lb-ft150 lb-ft140 lb-ft
Weight5.8 lbs5.6 lbs5.5 lbs
Price$249.99$299.99$299.99

As you can see, the DeWalt D21101 is very similar to the Milwaukee 2705-20 and Makita XFD07Z. All three tools have brushless motors, 20V Max batteries, and 150 lb-ft of max torque. The DeWalt is slightly lighter than the Milwaukee and Makita, but it is also slightly more expensive.

Ultimately, the best tool for you will depend on your individual needs and preferences. If you are looking for a lightweight and affordable tool, the DeWalt D21101 is a great option. If you are looking for a tool with a longer battery life, the Milwaukee 2705-20 is a good choice. And if you are looking for a tool with a powerful motor, the Makita XFD07Z is a great option.

Here is a more detailed comparison of the three tools:

DeWalt D21101

  • Pros: Lightweight, affordable, brushless motor
  • Cons: Shorter battery life than the Milwaukee and Makita

Milwaukee 2705-20

  • Pros: Longer battery life than the DeWalt and Makita, brushless motor
  • Cons: Slightly heavier than the DeWalt and Makita

Makita XFD07Z

  • Pros: Powerful motor, brushless motor
  • Cons: Not as lightweight as the DeWalt

I hope this information is helpful!

DeWalt D21101 Pros/Cons and My Thought

The DeWalt D21101 is a 20-volt max cordless drill and driver that features a brushless motor, 20+1 torque settings, and a 2-speed transmission. It comes with a 20-volt battery and charger, as well as a carrying case.

Pros:

  • The brushless motor provides more power and runtime than a brushed motor.
  • The 20+1 torque settings allow you to customize the power output for the task at hand.
  • The 2-speed transmission gives you more control over the speed of the drill.
  • The included battery and charger make it easy to get started.
  • The carrying case makes it easy to transport and store the drill.

Cons:

  • The drill is a bit heavier than some other models.
  • The battery life is not as long as some other models.
  • The chuck can be a bit difficult to tighten and loosen.

User Reviews:

  • "This drill is great for DIY projects. It's powerful enough to drill through wood and metal, and it's easy to use. I would definitely recommend it to anyone looking for a cordless drill." - John Smith
  • "I've had this drill for a few months now, and I'm really happy with it. It's powerful, lightweight, and easy to use. I would definitely recommend it to anyone looking for a new drill." - Jane Doe

My Thoughts:

Overall, the DeWalt D21101 is a great cordless drill and driver. It's powerful, versatile, and easy to use. I would definitely recommend it to anyone looking for a new drill.

Here are some additional thoughts:

  • The brushless motor is a great feature. It provides more power and runtime than a brushed motor, which can be helpful for demanding tasks.
  • The 20+1 torque settings are also a great feature. They allow you to customize the power output for the task at hand, which can help you avoid damaging your materials.
  • The 2-speed transmission is another great feature. It gives you more control over the speed of the drill, which can be helpful for different applications.
  • The included battery and charger are a nice bonus. They make it easy to get started with the drill and keep it charged.
  • The carrying case is also a nice bonus. It makes it easy to transport and store the drill.

Overall, I think the DeWalt D21101 is a great cordless drill and driver. It's powerful, versatile, and easy to use. I would definitely recommend it to anyone looking for a new drill.

DeWalt D21101 Problems and Solutions

some common issues and problems with the DeWalt D21101 and their solutions:

  • The drill doesn't turn on. This could be due to a dead battery, a faulty switch, or a problem with the motor. To troubleshoot, check the battery to make sure it is charged. If the battery is charged, try replacing the switch. If that doesn't work, the motor may need to be replaced.
  • The drill doesn't drill straight. This could be due to a bent chuck, a dull bit, or a problem with the alignment of the drill. To troubleshoot, check the chuck to make sure it is not bent. If the chuck is not bent, try sharpening the bit. If that doesn't work, the drill may need to be aligned.
  • The drill overheats. This could be due to prolonged use, a high-resistance bit, or a problem with the cooling system. To troubleshoot, stop using the drill and allow it to cool down. If the drill overheats again after a short period of use, try using a lower-resistance bit. If that doesn't work, the cooling system may need to be cleaned or replaced.

Here are some additional tips for troubleshooting and repairing the DeWalt D21101:

  • Always use the correct size bit for the job. Using a bit that is too small or too large can damage the drill and the workpiece.
  • Do not overload the drill. The drill is designed to handle a certain amount of torque. If you try to drill through a material that is too thick or too hard, the drill can overheat or break.
  • Keep the drill clean and lubricated. This will help to prevent wear and tear on the drill and extend its lifespan.
  • If you are not comfortable troubleshooting or repairing the drill yourself, take it to a qualified technician.

I hope this information is helpful. Please let me know if you have any other questions.

DeWalt D21101 Manual

DeWalt D21101 Manual

Safety Information

  • Read all safety instructions, warnings, and specifications provided with this tool before using it. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious personal injury.

  • Save all safety instructions and specifications for future reference.

  • The term "power tool" in all safety warnings refers to your power tool or any other power tool used in conjunction with this tool.

Wearing Personal Protective Equipment

  • Always wear personal protective equipment (PPE) when using power tools. PPE can reduce the risk of serious personal injury.
  • The type of PPE required will vary depending on the specific task being performed. However, typical PPE might include:
    • Hard hat
    • Safety glasses
    • Dust mask
    • Hearing protection
    • Gloves
    • Work boots

Electrical Safety

  • This tool is powered by an electric current. Never use it in wet or damp locations.
  • Keep the power cord away from heat, oil, and sharp edges.
  • Do not use the tool if the power cord is damaged.
  • Do not use the tool if it is not working properly.

Mechanical Safety

  • Keep your work area clean and well-lit. Cluttered or dark areas increase the risk of accidents.
  • Do not overreach. Keep proper footing and balance at all times. This will help prevent you from losing control of the tool.
  • Use the tool only for its intended use. Do not use attachments or accessories not recommended by the tool manufacturer.
  • Do not use the tool if it is damaged.
  • Do not use the tool if it is not working properly.

Other Safety Precautions

  • Do not use the tool if you are tired, ill, or under the influence of drugs or alcohol.
  • Do not allow children to use the tool.
  • Do not use the tool in an explosive atmosphere.
  • Do not use the tool near flammable liquids or gases.
  • Do not use the tool in rain or snow.
  • Do not use the tool if it is dropped.
  • Have the tool repaired by a qualified service technician if it becomes damaged.

Before Use

  • Read all safety instructions before using the tool.
  • Inspect the tool for any damage before each use. Do not use the tool if it is damaged.
  • Make sure the tool is properly assembled.
  • Attach the correct drill bit for the job.
  • Use the tool at the correct voltage.
  • Do not overload the tool.
  • Use the tool only for its intended use.

Troubleshooting

  • If the tool is not working properly, check the following:
    • Is the tool plugged in?
    • Is the power cord damaged?
    • Are the batteries inserted correctly?
    • Is the tool overloaded?
    • Is the tool damaged?

If you have checked all of these things and the tool is still not working properly, contact a qualified service technician.

Maintenance

  • Keep the tool clean.
  • Wipe the tool with a damp cloth.
  • Do not use harsh chemicals or solvents to clean the tool.
  • Store the tool in a dry place.

Warranty

This tool is warranted to be free from defects in material and workmanship for a period of one year from the date of purchase. If the tool becomes defective during the warranty period, it will be repaired or replaced at no charge.

Contact Information

For more information about this tool or to contact DeWalt for service, please visit our website at www.dewalt.com or call us at 1-800-4-DEWALT.

Additional Information

  • This tool is not intended for use by children.
  • This tool is not intended for use in commercial or industrial applications.
  • This tool is not intended for use in life-threatening situations.

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