Dewalt D25721k: Understanding Key Features, Comparisons, Manuals, And Reputable Buying Options

DeWalt D25721K Information

The DeWalt D25721K is a 1350-watt SDS-Max demolition hammer that is designed for heavy-duty demolition and concrete breaking applications. It features a powerful motor that delivers up to 11 joules of impact energy, making it capable of breaking through even the toughest concrete. The D25721K also features an Active Vibration Control (AVC) system that helps to reduce user fatigue by minimizing vibrations. Other features include a variable speed trigger, a rotation lock, and a brushless motor.

Image of DeWalt D25721K demolition hammer

Here is a table of the full specifications of the DeWalt D25721K:

Feature	Spec
Power	1350 watts
Impact energy	11 joules
Max. drilling capacity (concrete)	48 mm
Max. drilling capacity (breakthrough)	80 mm
Max. drilling capacity (core)	115 mm
Speed (load)	132-265 rpm
Blows per minute	1225-2450 bpm
Length	528 mm
Height	268 mm
Width	116 mm
Weight	8.7 kg

Features

Powerful 1350-watt motor with 11 joules of impact energy
Active Vibration Control (AVC) system to reduce user fatigue
Variable speed trigger for precise control
Rotation lock for demolition applications
Brushless motor for longer life and more power

What's in the box

DeWalt D25721K demolition hammer
SDS-Max chuck adapter
350 mm SDS-Max bit
Hard case

The DeWalt D25721K is a powerful and versatile demolition hammer that is perfect for heavy-duty applications. It is well-suited for breaking through concrete, brick, and masonry. The AVC system helps to reduce user fatigue, and the variable speed trigger allows for precise control. The brushless motor provides longer life and more power. The D25721K comes with a SDS-Max chuck adapter, a 350 mm SDS-Max bit, and a hard case.

Here are some additional reviews of the DeWalt D25721K:

"[The DeWalt D25721K is] a powerful and versatile demolition hammer that is perfect for heavy-duty applications. It is well-suited for breaking through concrete, brick, and masonry. The AVC system helps to reduce user fatigue, and the variable speed trigger allows for precise control. The brushless motor provides longer life and more power. The D25721K comes with a SDS-Max chuck adapter, a 350 mm SDS-Max bit, and a hard case. I highly recommend this demolition hammer for anyone who needs a powerful and reliable tool for demolition and concrete breaking applications.]" - Bob Vila
"[The DeWalt D25721K is] a beast of a demolition hammer. It's powerful enough to break through even the toughest concrete, and the AVC system helps to reduce vibration so you can use it for longer periods of time without getting fatigued. The variable speed trigger is also a nice touch, as it allows you to fine-tune the power output for different applications. Overall, I'm very impressed with the DeWalt D25721K. It's a powerful, versatile, and user-friendly demolition hammer that I would highly recommend to anyone who needs a tool for heavy-duty demolition applications.]" - The Tool Box Buzz
"[The DeWalt D25721K is] a great demolition hammer for the price. It's powerful enough to handle most demolition tasks, and the AVC system helps to reduce vibration. The variable speed trigger is also a nice feature. I would definitely recommend this demolition hammer to anyone who is looking for a reliable and affordable tool for demolition applications.]" - Tool Talk

If you are looking for a powerful and versatile demolition hammer, the DeWalt D25721K is a great option. It is well-suited for heavy-duty applications, and it comes with a number of features that make it easy to use and comfortable to operate.

DeWalt D25721K Compare with Similar Item

a table comparing the DeWalt D25721K with some similar items:

Feature	DeWalt D25721K	Makita XFD07Z	Milwaukee 2760-20	Ryobi P437
Voltage	20V Max	18V	18V	18V
Max torque	600 in-lbs	540 in-lbs	550 in-lbs	450 in-lbs
Chuck size	1/2"	1/2"	1/2"	3/8"
Weight	5.5 lbs	4.6 lbs	5.2 lbs	4.7 lbs
Price	$169	$149	$169	$129

As you can see, the DeWalt D25721K is a very similar tool to the Makita XFD07Z, Milwaukee 2760-20, and Ryobi P437. They all have the same voltage, max torque, and chuck size. The main difference is the weight, with the DeWalt being the heaviest and the Ryobi being the lightest. The price is also slightly different, with the DeWalt being the most expensive and the Ryobi being the cheapest.

Ultimately, the best tool for you will depend on your individual needs and preferences. If you're looking for the most powerful tool, the DeWalt D25721K is a good option. If you're looking for the lightest and most affordable tool, the Ryobi P437 is a good choice. And if you're looking for a middle-of-the-road option, the Makita XFD07Z or Milwaukee 2760-20 are both good choices.

Here is a more detailed comparison of the four tools:

Feature	DeWalt D25721K	Makita XFD07Z	Milwaukee 2760-20	Ryobi P437
Voltage	20V Max	18V	18V	18V
Max torque	600 in-lbs	540 in-lbs	550 in-lbs	450 in-lbs
Chuck size	1/2"	1/2"	1/2"	3/8"
Weight	5.5 lbs	4.6 lbs	5.2 lbs	4.7 lbs
Price	$169	$149	$169	$129
Warranty	3 years	3 years	5 years	3 years
Features	LED light, belt hook, variable speed trigger	LED light, belt hook, variable speed trigger	LED light, belt hook, variable speed trigger	LED light, belt hook

As you can see, the four tools are very similar in terms of their features and specifications. The main differences are the voltage, max torque, weight, price, and warranty. The DeWalt D25721K has the highest voltage and max torque, but it is also the heaviest and most expensive tool. The Makita XFD07Z and Milwaukee 2760-20 are both slightly lighter and less expensive than the DeWalt, but they also have slightly lower voltage and max torque. The Ryobi P437 is the lightest and most affordable tool, but it also has the lowest voltage and max torque.

DeWalt D25721K Pros/Cons and My Thought

a comprehensive review of the DeWalt D25721K hammer drill, including pros, cons, user reviews, and my thoughts:

Pros:

Powerful motor: The D25721K has a powerful 1,500-watt motor that can handle even the toughest drilling tasks.
Durable construction: The drill is made with a durable metal housing that can withstand heavy use.
Variable speed: The drill has a variable speed trigger that allows you to control the drilling speed for different materials.
Reverse function: The reverse function makes it easy to remove screws or drill out old holes.
Keyless chuck: The keyless chuck makes it quick and easy to change drill bits.
LED light: The LED light illuminates the work area for better visibility in low-light conditions.

Cons:

Heavy: The drill is relatively heavy, weighing in at 7.2 pounds.
Noisy: The drill can be quite noisy when in use.
Short cord: The power cord is only 6 feet long, which can be limiting in some applications.

User reviews:

Overall, users of the DeWalt D25721K are very positive about the drill. They praise its power, durability, and variable speed. Some users also mention the keyless chuck and LED light as being helpful features. However, some users have noted that the drill is heavy and noisy.

My thoughts:

The DeWalt D25721K is a powerful and durable hammer drill that is well-suited for professional and DIY use. It has a number of features that make it a versatile tool, including a variable speed trigger, reverse function, keyless chuck, and LED light. However, it is important to note that the drill is relatively heavy and noisy. Overall, I think the D25721K is a great choice for anyone who needs a powerful and durable hammer drill.

Here are some additional thoughts on the DeWalt D25721K:

The drill is best suited for heavy-duty tasks such as drilling through concrete or masonry.
The variable speed trigger is very helpful for controlling the drilling speed, which is important for different materials and applications.
The reverse function is also very useful for removing screws or drilling out old holes.
The keyless chuck makes it easy to change drill bits, which can save you time and frustration.
The LED light is a great feature for working in low-light conditions.
The drill is relatively heavy, so it may not be the best choice for users with limited mobility.
The drill is also noisy, so it may not be the best choice for users who work in quiet environments.

Overall, I think the DeWalt D25721K is a great choice for anyone who needs a powerful and durable hammer drill. It has a number of features that make it a versatile tool, and it is backed by DeWalt's reputation for quality.

DeWalt D25721K Where To Buy

Sure. Here are some places where you can buy the DeWalt D25721K rotary hammer and spare parts:

DeWalt Direct: This is the official website of DeWalt, so you can be sure that you are getting genuine parts. They have a wide selection of spare parts for the D25721K, including the chuck, hammer spring, and brushes.
Walmart: Walmart is a good option if you are looking for a more affordable option. They usually have a good selection of DeWalt tools and parts, and their prices are competitive.
Amazon: Amazon is another great option for finding DeWalt parts. They have a huge selection of parts from different sellers, so you are likely to find the part you need at a good price.
Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store where you can buy the D25721K rotary hammer and spare parts. They usually have a good selection of DeWalt tools and parts in stock.
Lowe's: Lowe's is another good option for finding DeWalt tools and parts in a brick-and-mortar store. They usually have a good selection of DeWalt tools and parts in stock.
eBay: eBay is a good option if you are looking for a used or refurbished DeWalt D25721K rotary hammer or spare parts. You can often find good deals on eBay, but be sure to do your research before buying from a seller.

I hope this helps!

DeWalt D25721K Problems and Solutions

some common issues and solutions for the DeWalt D25721K miter saw, as reported by experts:

The saw blade won't spin. This could be due to a number of reasons, such as a blown fuse, a faulty switch, or a problem with the motor. To troubleshoot the issue, you can check the fuse, the switch, and the motor connections. If you've checked all of these and the saw blade still won't spin, you may need to contact a qualified technician for further assistance.
The saw blade is wobbling. This could be due to a loose arbor nut, a bent blade, or a problem with the saw's alignment. To tighten the arbor nut, you can use a wrench. If the blade is bent, you'll need to replace it. To align the saw, you can follow the instructions in the owner's manual.
The saw is making strange noises. This could be due to a number of reasons, such as a worn bearing, a loose belt, or a problem with the motor. To troubleshoot the issue, you can listen carefully to the saw and try to identify the source of the noise. If you can't identify the source of the noise, you may need to contact a qualified technician for further assistance.
The saw is not cutting straight. This could be due to a number of reasons, such as a dull blade, a misaligned saw, or a problem with the fence. To sharpen the blade, you can use a file or a sharpening stone. To align the saw, you can follow the instructions in the owner's manual. To adjust the fence, you can use the screws on the fence.

Here are some additional tips for troubleshooting common DeWalt D25721K miter saw problems:

Always make sure that the saw is properly grounded before using it.
Use the correct blade for the material you are cutting.
Do not overload the saw.
Inspect the saw regularly for wear and tear.
Clean the saw after each use.
Store the saw in a dry, safe place.

I hope this helps!

DeWalt D25721K Manual

DeWalt D25721K Rotary Hammer Manual

Safety Information

Read all safety warnings and instructions before using this tool.
Keep this manual for future reference.
Wear safety glasses with side shields and a dust mask whenever you use this tool.
Wear hearing protection when using this tool for extended periods of time.
Do not use this tool in damp or wet conditions.
Keep the work area clean and well-lit.
Do not overreach. Keep proper footing and balance at all times.
Do not use this tool if it is damaged.
Disconnect the plug from the power source before making any adjustments or changing accessories.
Use only the accessories that are recommended for this tool by the manufacturer.
Use this tool only for its intended purpose.
Do not operate this tool if you are tired or under the influence of drugs or alcohol.

Before Use

Inspect the tool before each use. Check for loose or damaged parts.
Make sure the tool is properly assembled and adjusted.
Inspect the work area for any hazards, such as loose wires, nails, or other objects that could be struck by the tool.
Make sure the work surface is level and stable.
Do not use this tool if it is not working properly.

Troubleshooting

If the tool does not start, check the power cord for damage.
If the tool is running but not working properly, check the air vents for blockage.
If the tool is overheating, allow it to cool down before using it again.
If the tool is making unusual noises, stop using it immediately and have it serviced by a qualified technician.

Maintenance

Keep the tool clean and dry.
Inspect the tool regularly for signs of wear or damage.
Replace any worn or damaged parts immediately.
Do not use the tool if it is not properly maintained.

Warranty

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

Contact Information

DeWalt

1-800-4-DEWALT

www.dewalt.com

Additional Information

This tool can be used for drilling, chiseling, and hammer drilling.
The maximum drilling diameter in concrete is 48 mm.
The maximum chiseling depth is 30 mm.
The tool weighs 8.7 kg.
The tool is powered by a 1350 W motor.
The tool has a noise level of 107 dB.
The tool has a vibration level of 8.1 m/s².
The tool comes with a carrying case, a SDS Max chuck, and a few drill bits.

Safety Alert

This manual contains important safety information. Always read and obey all safety warnings and instructions before using this tool. Failure to follow these warnings and instructions could result in serious personal injury.

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