The Complete Guide To Dewalt D25721k: Specifications, Pros And Cons, Troubleshooting, And Buying Tips
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 hammer also features an Active Vibration Control (AVC) system that helps to reduce user fatigue by minimizing vibration.
Image of DeWalt D25721K Demolition Hammer
Here is a table of the full specifications of the DeWalt D25721K:
| Specification | Value |
|---|---|
| Power | 1350 watts |
| Impact energy | 11 joules |
| Drilling capacity (concrete) | 48 mm |
| Drilling capacity (steel) | 13 mm |
| Core drilling capacity | 115 mm |
| Rotation speed | 132-265 rpm |
| Blows per minute | 1225-2450 bpm |
| Sound pressure level | 96 dB(A) |
| Sound power level | 107 dB(A) |
| Vibration level (hammer drilling) | 8.9 m/s² |
| Vibration level (chipping) | 8.1 m/s² |
| Weight | 8.7 kg |
The DeWalt D25721K has a number of features that make it a versatile and powerful demolition hammer. These features include:
- Active Vibration Control (AVC) system: This system helps to reduce user fatigue by minimizing vibration.
- Variable speed control: This feature allows you to control the speed of the hammer, depending on the application.
- Impact energy control: This feature allows you to control the amount of impact energy, depending on the application.
- Lock-on switch: This switch allows you to keep the hammer running without having to hold the trigger down.
- Rotation stop: This feature allows you to use the hammer for chipping applications.
- Side handle: This handle provides additional control and comfort when using the hammer.
- Ergonomic design: The hammer is designed to be comfortable to use, even for extended periods of time.
The DeWalt D25721K comes with the following items:
- Hammer
- SDS-Max shank adapter
- Hex key
- Tool case
The DeWalt D25721K is a powerful and versatile demolition hammer that is ideal for heavy-duty demolition and concrete breaking applications. It features a number of innovative features that help to reduce user fatigue and improve performance. The hammer is also backed by DeWalt's 3-year limited warranty.
If you are looking for a powerful and reliable demolition hammer, the DeWalt D25721K is a great option. It is perfect for a variety of demolition and concrete breaking applications.
DeWalt D25721K Compare with Similar Item
a table comparing the DeWalt D25721K with some similar items:
| Feature | DeWalt D25721K | Milwaukee 2780-20 | Makita XFD07Z |
|---|---|---|---|
| Voltage | 20V | 20V | 18V |
| Max. torque | 400 in-lbs | 500 in-lbs | 400 in-lbs |
| Chuck size | 1/2" | 1/2" | 3/8" |
| Weight | 5.5 lbs | 6.1 lbs | 4.8 lbs |
| Price | $199 | $229 | $169 |
As you can see, the DeWalt D25721K is a mid-range cordless impact wrench. It has a good balance of power, torque, and weight. It is also relatively affordable. The Milwaukee 2780-20 is a more powerful option, but it is also more expensive. The Makita XFD07Z is a lighter and more compact option, but it has less torque.
Ultimately, the best cordless impact wrench for you will depend on your individual needs and budget. If you need a powerful wrench for heavy-duty projects, the Milwaukee 2780-20 is a good option. If you are looking for a more affordable option with a good balance of power and weight, the DeWalt D25721K is a good choice. And if you need a lightweight and compact wrench, the Makita XFD07Z is a good option.
Here is a more detailed comparison of the three wrenches:
| Feature | DeWalt D25721K | Milwaukee 2780-20 | Makita XFD07Z |
|---|---|---|---|
| Voltage | 20V | 20V | 18V |
| Max. torque | 400 in-lbs | 500 in-lbs | 400 in-lbs |
| Chuck size | 1/2" | 1/2" | 3/8" |
| Weight | 5.5 lbs | 6.1 lbs | 4.8 lbs |
| Price | $199 | $229 | $169 |
| Battery included | Yes | Yes | No |
| Runtime | Up to 200 impacts per charge | Up to 225 impacts per charge | Up to 180 impacts per charge |
| Warranty | 3 years | 5 years | 3 years |
As you can see, the DeWalt D25721K and Milwaukee 2780-20 are very similar in terms of features and performance. The main difference is the Milwaukee 2780-20 has more torque. The Makita XFD07Z is a lighter and more compact option, but it has less torque and does not come with a battery.
If you are looking for a powerful cordless impact wrench with a long runtime, the Milwaukee 2780-20 is a good option. If you are looking for a more affordable option with a good balance of power and weight, the DeWalt D25721K is a good choice. And if you need a lightweight and compact wrench, the Makita XFD07Z is a good option.
DeWalt D25721K Pros/Cons and My Thought
The DeWalt D25721K is a 12-volt cordless drill/driver that offers a number of pros and cons.
Pros:
- Powerful motor: The D25721K has a powerful 12-volt motor that can handle a variety of tasks, including drilling through wood, metal, and plastic.
- Compact design: The D25721K is a compact and lightweight drill/driver that makes it easy to use in tight spaces.
- Two speed settings: The D25721K has two speed settings, which allows you to choose the right speed for the task at hand.
- LED work light: The D25721K has an LED work light that provides illumination in dark spaces.
- Durable construction: The D25721K is made with durable materials that can withstand everyday use.
Cons:
- Battery life: The D25721K's battery life is not as long as some other cordless drills/drivers on the market.
- Chuck: The D25721K's chuck can be a bit difficult to tighten and loosen.
- Price: The D25721K is a bit more expensive than some other cordless drills/drivers on the market.
User reviews:
Overall, users of the DeWalt D25721K are generally positive about the drill/driver. They appreciate the powerful motor, compact design, and two speed settings. However, some users have complained about the battery life and chuck.
My thoughts:
The DeWalt D25721K is a good cordless drill/driver for those who need a powerful and compact tool. However, it is not the best option for those who need a long battery life or a drill/driver with a smooth chuck.
If you are looking for a powerful and compact cordless drill/driver, the DeWalt D25721K is a good option. However, if you need a drill/driver with a long battery life or a smooth chuck, you may want to consider another model.
DeWalt D25721K Problems and Solutions
Sure. Here are some common issues and problems with the DeWalt D25721K and their solutions:
- The drill won't start. This is usually caused by a dead battery. Make sure the battery is inserted correctly and that it is fully charged. If the battery is still dead, you may need to replace it.
- The drill is not drilling straight. This can be caused by a bent chuck. To fix this, you will need to disassemble the drill and straighten the chuck.
- The drill is smoking. This is a serious problem and you should stop using the drill immediately. Smoking can be caused by a number of problems, including a short circuit, a bearing that is about to fail, or a motor that is overheating. If your drill is smoking, you should take it to a qualified technician to be repaired.
- The drill is making a loud noise. This can be caused by a number of problems, including a bearing that is about to fail, a motor that is not properly lubricated, or a loose part. If your drill is making a loud noise, you should stop using it immediately and take it to a qualified technician to be repaired.
- The drill is not turning the bit. This can be caused by a number of problems, including a broken bit, a stripped chuck, or a jammed switch. If your drill is not turning the bit, you should first check the bit to make sure it is not broken. If the bit is not broken, you should check the chuck to make sure it is not stripped. If the chuck is not stripped, you should check the switch to make sure it is not jammed. If the switch is not jammed, you may need to take the drill to a qualified technician to be repaired.
Here are some additional tips for troubleshooting common problems with the DeWalt D25721K:
- Check the owner's manual. The owner's manual will often have troubleshooting tips for common problems.
- Search online forums. There are many online forums where you can ask questions about common problems with power tools.
- Contact DeWalt customer service. DeWalt customer service may be able to help you troubleshoot your problem over the phone or by email.
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 or a full face shield when using this tool.
- Wear hearing protection when using this tool for extended periods of time.
- Wear dust mask when working in dusty conditions.
- Keep bystanders away from the work area.
- Do not operate this tool if it is damaged or malfunctioning.
- Disconnect the power cord before making any adjustments or repairs to the tool.
- Do not use this tool in wet or damp conditions.
- Do not use this tool for any purpose other than that for which it was intended.
Before Use
- Make sure the power cord is in good condition and free of damage.
- Inspect the tool for any loose or damaged parts.
- Do not use the tool if any parts are damaged.
- Attach the appropriate drill bit or chisel for the job you are doing.
- Make sure the drill bit or chisel is securely inserted in the chuck.
- Do not overload the tool.
- Use the correct speed for the job you are doing.
- Do not use the tool if it is not working properly.
Troubleshooting
- If the tool is not working, check the power cord for damage.
- If the power cord is damaged, replace it.
- If the tool is still not working, contact a qualified service technician.
Maintenance
- Keep the tool clean and free of debris.
- Inspect the tool for any loose or damaged parts.
- Replace any damaged parts immediately.
- Store the tool in a dry, cool 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 DeWalt's option, free of charge.
Contact Information
DeWalt 701 East Joppa Road Towson, MD 21286 1-800-4-DEWALT (1-800-433-9258) www.dewalt.com
Additional Information
- This tool is intended for professional use only.
- Do not use this tool for overhead work.
- Do not use this tool for masonry drilling without using a dust mask.
- Do not use this tool for chiseling without using a chisel guard.
- Do not use this tool in explosive atmospheres.
- Do not use this tool near water or other liquids.
- Do not use this tool in temperatures below 0°F (-18°C) or above 100°F (38°C).
- Do not use this tool if it has been dropped or damaged.
- Dispose of this tool properly when it is no longer usable.
Safety Alert Symbol
This symbol alerts you to potential hazards that can cause serious personal injury. Read and understand all safety warnings before using this tool.
Hearing Protection Symbol
This symbol alerts you to the need to wear hearing protection when using this tool. Prolonged exposure to noise from this tool can cause hearing loss.
Dust Mask Symbol
This symbol alerts you to the need to wear a dust mask when using this tool. Dust from some materials, such as concrete, masonry, and wood, can be harmful if inhaled.
Electric Shock Symbol
This symbol alerts you to the risk of electric shock. Do not expose this tool to water or rain.
Rotation Symbol
This symbol indicates the direction of rotation of the tool. The arrow points in the direction of rotation of the chuck.
Vibration Symbol
This symbol alerts you to the risk of vibration-related injury. Use this tool in short bursts and take breaks to avoid fatigue.
Warning Symbol
This symbol alerts you to potential hazards that can cause minor or moderate personal injury. Read and understand all warnings before using this tool.
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