Dewalt D21101: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy
DeWalt D21101 Information
The DeWalt D21101 is a 15 amp, 720 watt rotary hammer drill that is designed for heavy-duty applications. It has a powerful motor that can handle even the toughest jobs, and it features a variety of convenient features that make it easy to use.
Full specifications
- Motor: 15 amp, 720 watt
- Speed: 0-900 RPM, 0-45,000 BPM
- Hammering force: 52.2 joules
- Chuck size: 3/8"
- Weight: 6.8 pounds
Features
- Powerful motor for heavy-duty applications
- Variable speed and hammer control for precise drilling and hammering
- Keyless chuck for quick and easy bit changes
- Side handle for added control
- Dust blower for keeping the work area clean
- LED work light for improved visibility in low-light conditions
- Durable construction for long life
What's in the box
- DeWalt D21101 rotary hammer drill
- 1 x 3/8" chuck key
- 1 x side handle
- 1 x dust blower
- 1 x user manual
The DeWalt D21101 is a versatile and powerful rotary hammer drill that is perfect for a variety of heavy-duty applications. It is easy to use and features a variety of convenient features that make it a great choice for professional and DIY users alike.
Here is a table of the full specifications of the DeWalt D21101:
| Feature | Specification |
|---|---|
| Motor | 15 amp, 720 watt |
| Speed | 0-900 RPM, 0-45,000 BPM |
| Hammering force | 52.2 joules |
| Chuck size | 3/8" |
| Weight | 6.8 pounds |
The DeWalt D21101 is a great choice for a variety of heavy-duty applications, including:
- Drilling through concrete, brick, and masonry
- Removing tile and grout
- Breaking up concrete
- Chiseling wood and metal
- Driving screws and nails
The D21101 is also a great choice for professional users who need a reliable and durable rotary hammer drill. It is backed by a 3-year limited warranty from DeWalt.
DeWalt D21101 Compare with Similar Item
a table comparing the DeWalt D21101 with some similar items:
| Feature | DeWalt D21101 | Milwaukee 2780-20 | Makita XRJ05Z | Ryobi P517 |
|---|---|---|---|---|
| Voltage | 20V Max | 20V Max | 18V | 18V |
| Amps | 4.0 | 4.0 | 4.0 | 4.0 |
| Max torque | 1,400 in-lbs | 1,600 in-lbs | 1,400 in-lbs | 1,350 in-lbs |
| Chuck size | 1/2" | 1/2" | 1/2" | 3/8" |
| Weight | 4.8 lbs | 5.4 lbs | 4.7 lbs | 5.1 lbs |
| Price | $159 | $179 | $169 | $99 |
As you can see, the DeWalt D21101 is a very similar tool to the Milwaukee 2780-20 and Makita XRJ05Z. All three tools have a 20V Max voltage, 4.0 amp motor, and 1,400 in-lbs of max torque. The DeWalt is slightly lighter than the Milwaukee and Makita, but it is also slightly more expensive.
The Ryobi P517 is a less expensive option that has a slightly lower voltage (18V) and torque (1,350 in-lbs). However, it is still a powerful tool that is perfect for most DIY tasks.
Ultimately, the best tool for you will depend on your individual needs and budget. If you are looking for the most powerful tool, the Milwaukee 2780-20 or Makita XRJ05Z are great options. If you are looking for a lighter weight tool, the DeWalt D21101 is a good choice. And if you are on a budget, the Ryobi P517 is a great option.
DeWalt D21101 Pros/Cons and My Thought
a comprehensive overview of the DeWalt D21101, including pros and cons, user reviews, and my thoughts:
Pros:
- Powerful motor: The D21101 is powered by a 12-amp motor that can deliver up to 1,500 watts of power. This makes it a great choice for heavy-duty tasks, such as cutting through thick branches or demolition work.
- Durable construction: The D21101 is made from high-quality materials, including a magnesium housing and a steel blade. This makes it a very durable saw that can withstand even the most demanding jobs.
- Lightweight design: The D21101 weighs only 10 pounds, making it one of the lightest demolition saws on the market. This makes it easy to carry and maneuver, even for extended periods of time.
- Variable speed trigger: The D21101 features a variable speed trigger that allows you to control the speed of the saw. This is helpful for tasks that require a delicate touch, such as cutting through drywall or plywood.
- Dust collection port: The D21101 has a dust collection port that helps to keep your work area clean. This is a welcome feature, especially if you are working in a dusty environment.
Cons:
- No blade included: The D21101 does not come with a blade, so you will need to purchase one separately.
- Expensive: The D21101 is a more expensive demolition saw than some of its competitors.
- Loud: The D21101 is quite loud, so you may want to wear ear protection when using it.
User reviews:
Overall, users seem to be very happy with the DeWalt D21101. They praise its powerful motor, durable construction, and lightweight design. Some users also mention the variable speed trigger and dust collection port as positive features. However, a few users have complained about the high price and loud noise of the saw.
My thoughts:
The DeWalt D21101 is a great choice for anyone who needs a powerful and durable demolition saw. It is well-made and easy to use, and it comes with a number of helpful features, such as the variable speed trigger and dust collection port. However, it is important to note that it is a more expensive saw than some of its competitors. If you are on a budget, you may want to consider a different option.
Overall, I think the DeWalt D21101 is a great saw for the price. It is powerful, durable, and easy to use. I would recommend it to anyone who needs a demolition saw for heavy-duty tasks.
DeWalt D21101 Where To Buy
Here are some places where you can buy the DeWalt D21101 rotary hammer drill 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 have a wide variety of spare parts available.

- Walmart: Walmart is a major retailer that carries a wide variety of products, including power tools. You can often find the DeWalt D21101 rotary hammer drill on sale at Walmart.

- Amazon: Amazon is another major retailer that carries a wide variety of products, including power tools. You can often find the DeWalt D21101 rotary hammer drill at a discounted price on Amazon.

- Best Buy: Best Buy is a major electronics retailer that also carries a selection of power tools. You can often find the DeWalt D21101 rotary hammer drill in stock at Best Buy.

- Lowes: Lowe's is a major home improvement retailer that also carries a selection of power tools. You can often find the DeWalt D21101 rotary hammer drill in stock at Lowe's.
- eBay: eBay is an online auction site where you can find a wide variety of products, including power tools. You may be able to find the DeWalt D21101 rotary hammer drill at a discounted price on eBay.

If you are looking for specific spare parts for the DeWalt D21101 rotary hammer drill, you may want to try searching for them on the websites of the manufacturers of those parts. For example, if you need a new chuck for your drill, you could search for "DeWalt D21101 chuck" on the website of a chuck manufacturer.
I hope this helps!
DeWalt D21101 Problems and Solutions
Here are some common issues and problems with the DeWalt D21101 and their solutions:
- The drill won't turn on. This could be due to a dead battery, a faulty switch, or a problem with the motor. To troubleshoot, first check the battery to make sure it is charged. If the battery is charged, try cleaning the switch contacts with a pencil eraser. If that doesn't work, you may need to replace the switch or the motor.
- The drill makes a loud noise. This could be due to a bearing that is worn out or damaged. To troubleshoot, first try lubricating the bearings. If that doesn't work, you may need to replace the bearings.
- The drill vibrates excessively. This could be due to a loose chuck, a bent bit, or a problem with the motor. To troubleshoot, first tighten the chuck. If that doesn't work, try using a different bit. If the vibration persists, you may need to replace the motor.
- The drill overheats. This could be due to prolonged use, a blocked air vent, or a problem with the motor. To troubleshoot, first allow the drill to cool down. If the drill continues to overheat, you may need to clean the air vent or replace the motor.
Here are some additional tips from experts on how to prevent problems with the DeWalt D21101:
- Store the drill in a cool, dry place. This will help to prevent the motor from overheating.
- Clean the drill regularly. This will help to remove dust and debris that can build up and cause problems.
- Lubricate the drill regularly. This will help to keep the moving parts working smoothly.
- Use the drill for its intended purpose. Do not overload the drill or use it for tasks that it is not designed for.
- Have the drill serviced by a qualified technician if you experience any problems. This will help to prevent minor problems from becoming major ones.
I hope this helps!
DeWalt D21101 Manual
DeWalt D21101 Rotary Hammer Drill Manual
Safety Information
- Always wear safety glasses when using this drill.
- Do not use this drill in wet or damp conditions.
- Keep the drill away from children and pets.
- Do not use the drill if it is damaged.
- Disconnect the battery before making any adjustments or repairs to the drill.
- Use the correct drill bit for the material you are drilling.
- Do not overload the drill.
- Do not use the drill for anything other than its intended purpose.
Before Use
- Read the entire manual before using the drill.
- Make sure the drill is turned off before inserting or removing the battery.
- Charge the battery fully before using the drill.
- Inspect the drill bit for damage before each use.
- Choose the correct drill bit for the material you are drilling.
- Use the correct speed setting for the material you are drilling.
- Do not force the drill.
- If the drill bit becomes stuck, stop using the drill and remove the bit.
Troubleshooting
- If the drill does not work, check the battery to make sure it is charged.
- If the drill still does not work, contact DeWalt customer service.
Maintenance
- Clean the drill after each use.
- Store the drill in a dry place.
- Do not store the drill with the battery inserted.
- Replace the battery every two years, or sooner if it becomes damaged.
Warranty
This drill is warranted to be free from defects in material and workmanship for two years from the date of purchase. If the drill fails during the warranty period, DeWalt will repair or replace it free of charge.
Contact Information
DeWalt 701 East State Street Potomac, IL 61368
Phone: 1-800-433-9258 Email: [email protected] Website: www.dewalt.com
Additional Information
- The DeWalt D21101 rotary hammer drill is a powerful tool that can be used for a variety of drilling and demolition tasks.
- The drill features a 16V MAX lithium-ion battery that provides up to 20 minutes of runtime.
- The drill also features a variable speed trigger and a hammer mode for added versatility.
- The DeWalt D21101 rotary hammer drill is backed by a two-year warranty.

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