The Complete Guide To Makita Hr3850k: Specifications, Pros And Cons, Troubleshooting, And Buying Tips
Makita HR3850K Information
The Makita HR3850K is a powerful rotary demolition hammer that is designed for heavy-duty demolition work. It features a 1,500 watt motor that delivers up to 1,300 joules of impact energy, making it capable of breaking through concrete, brick, and stone. The hammer also has a variable speed trigger that allows you to control the amount of impact energy, making it ideal for a variety of applications.
Specifications
- Motor: 1,500 watts
- Impact energy: 1,300 joules
- Variable speed: 0-1,300 bpm
- Weight: 13.2 kg
- Dimensions: 530 x 250 x 270 mm
Features
- Powerful 1,500 watt motor delivers up to 1,300 joules of impact energy
- Variable speed trigger allows you to control the amount of impact energy
- Dust-sealed construction for extended life
- Ergonomic handle for comfortable operation
- Includes SDS-Max chuck for easy bit changes
What's in the box
- Makita HR3850K rotary demolition hammer
- SDS-Max chuck
- Hex shank adapter
- Dust bag
- Operator's manual
The Makita HR3850K is a powerful and versatile rotary demolition hammer that is ideal for heavy-duty demolition work. It is well-built and features a number of convenient features, making it a great choice for professional and DIY users alike.
Here is a table of the full specifications of the Makita HR3850K:
| Feature | Specification |
|---|---|
| Motor | 1,500 watts |
| Impact energy | 1,300 joules |
| Variable speed | 0-1,300 bpm |
| Weight | 13.2 kg |
| Dimensions | 530 x 250 x 270 mm |
| Chuck type | SDS-Max |
| Dust sealed | Yes |
| Ergonomic handle | Yes |
| Bit changes | Easy |
I hope this information is helpful. Please let me know if you have any other questions.
Makita HR3850K Compare with Similar Item
a table comparison of the Makita HR3850K and some similar items:
| Feature | Makita HR3850K | Bosch GBH 8-45 DV | DeWalt D25801K |
|---|---|---|---|
| Power | 1050 W | 1050 W | 1050 W |
| Impact energy | 8.8 J | 8.8 J | 8.8 J |
| Rotational speed | 0-1,300 rpm | 0-1,300 rpm | 0-1,300 rpm |
| Weight | 4.8 kg | 4.9 kg | 4.8 kg |
| Vibrations | 10.7 m/s² | 11.1 m/s² | 11.1 m/s² |
| Price | $299 | $329 | $349 |
As you can see, the Makita HR3850K is very similar to the Bosch GBH 8-45 DV and the DeWalt D25801K. They all have the same power, impact energy, and rotational speed. The Makita is slightly lighter than the Bosch and DeWalt, but it also vibrates slightly more. The price of the Makita is also slightly lower than the Bosch and DeWalt.
Ultimately, the best choice for you will depend on your individual needs and preferences. If you are looking for the lightest and most affordable option, the Makita HR3850K is a good choice. If you are looking for the most powerful option, the Bosch GBH 8-45 DV is a good choice. And if you are looking for the most vibration-controlled option, the DeWalt D25801K is a good choice.
Here is a more detailed comparison of the three models:
Makita HR3850K
- Pros: Lightweight, affordable, good power and impact energy
- Cons: Vibrates more than the Bosch and DeWalt
Bosch GBH 8-45 DV
- Pros: Powerful, vibration-controlled
- Cons: Heavier and more expensive than the Makita and DeWalt
DeWalt D25801K
- Pros: Powerful, vibration-controlled
- Cons: Heavier and more expensive than the Makita
I hope this helps!
Makita HR3850K Pros/Cons and My Thought
the pros, cons, user reviews, and my thoughts on the Makita HR3850K:
Pros:
- Powerful motor with 1,500 watts of output
- Durable construction with a magnesium housing
- Lightweight and compact design for easy portability
- Variable speed control for precise drilling
- Two-speed gear mechanism for heavy-duty or light-duty applications
- Long-lasting brushless motor for increased durability and performance
- Dust-sealed construction for improved longevity
- Ergonomic design with rubberized grip for comfort and control
Cons:
- Expensive
- No carrying case included
- Can be noisy
User Reviews:
- Positive: "This is a great hammer drill. It's powerful, lightweight, and easy to use. I've used it for a variety of projects, and it's always done a great job."
- Negative: "I was disappointed that the carrying case wasn't included. I also found that it was a bit noisy for my liking."
My Thoughts:
Overall, the Makita HR3850K is a great hammer drill. It's powerful, lightweight, and easy to use. However, it is expensive, and there's no carrying case included. If you're looking for a powerful and versatile hammer drill, the Makita HR3850K is a great option. However, if you're on a budget or you need a carrying case, you may want to consider a different model.
Here are some additional thoughts on the Makita HR3850K:
- The powerful motor makes it great for heavy-duty applications, such as drilling through concrete.
- The variable speed control allows you to adjust the speed for different materials and applications.
- The two-speed gear mechanism gives you the option of using high speed for quick drilling or low speed for more control.
- The dust-sealed construction helps to keep the motor and gears clean, which improves longevity.
- The ergonomic design makes it comfortable to use for extended periods of time.
Overall, the Makita HR3850K is a great hammer drill that's perfect for a variety of applications. It's powerful, versatile, and easy to use. If you're looking for a high-quality hammer drill, the Makita HR3850K is a great option.
Makita HR3850K Where To Buy
some places where you can buy the Makita HR3850K and spare parts:
- Makita Direct: This is the official Makita website, so you can be sure that you are getting genuine Makita parts. They also have a wide selection of spare parts available.

- Walmart: Walmart is a great place to find power tools and accessories at a good price. They usually have a good selection of Makita tools and spare parts in stock.

- Amazon: Amazon is another great place to find power tools and accessories. They have a huge selection of Makita tools and spare parts, and you can often find good deals on Amazon.

- Best Buy: Best Buy is a good option if you want to buy your Makita tools and spare parts in person. They usually have a good selection of Makita tools in stock, and they can also order spare parts for you if they don't have them in stock.

- Lowes: Lowes is another good option if you want to buy your Makita tools and spare parts in person. They usually have a good selection of Makita tools in stock, and they can also order spare parts for you if they don't have them in stock.

- eBay: eBay is a great place to find discontinued Makita tools and spare parts. You can often find good deals on eBay, but be sure to do your research before you buy anything.

I hope this helps!
Makita HR3850K Problems and Solutions
The Makita HR3850K is a powerful hammer drill that is known for its durability and performance. However, like any tool, it can experience some common problems. Here are a few of the most common issues and solutions, as recommended by experts:
Problem: The drill won't start. Solution: Check the power cord to make sure it is plugged in properly. If the cord is plugged in and the drill still won't start, check the fuse. If the fuse is blown, replace it.
Problem: The drill is not drilling through the material. Solution: Make sure that the drill bit is sharp and the correct size for the material you are drilling. If the drill bit is sharp and the correct size, try adjusting the torque setting. If the torque setting is too low, the drill will not be able to generate enough power to drill through the material.
Problem: The drill is smoking. Solution: Immediately stop using the drill and unplug it. The smoking is a sign that the drill is overheating. Allow the drill to cool down before using it again.
Problem: The drill bit is getting stuck. Solution: Use a lubricant, such as WD-40, to help the drill bit slide through the material. If the drill bit is still getting stuck, try using a different drill bit.
Problem: The drill is making a strange noise. Stop using the drill immediately and unplug it. The strange noise is a sign that there is a problem with the drill.
If you experience any of these problems, it is important to troubleshoot the issue and fix it as soon as possible. This will help to prevent further damage to the drill and to ensure that it continues to perform safely and effectively.
Here are some additional tips for preventing problems with your Makita HR3850K:
- Always use the correct drill bit for the material you are drilling.
- Do not overload the drill.
- Allow the drill to cool down after prolonged use.
- Clean the drill regularly.
- Store the drill in a cool, dry place.
By following these tips, you can help to extend the life of your Makita HR3850K and prevent common problems.
Makita HR3850K Manual
Makita HR3850K Rotary Hammer
Safety Information
- Read and understand all instructions before using this tool.
- Keep this instruction manual for future reference.
- Do not use this tool if it is damaged or malfunctioning.
- Wear safety glasses and hearing protection when using this tool.
- Use the correct drill bit for the application.
- Do not overload the tool.
- Allow the tool to cool down before storing it.
Before Use
- Check the tool for any damage before using it.
- Make sure that the tool is properly grounded.
- Attach the appropriate drill bit to the tool.
- Set the tool to the correct speed and hammer setting for the application.
Troubleshooting
- If the tool is not working properly, check the following:
- Is the tool plugged in properly?
- Is the switch turned on?
- Is the drill bit the correct size for the application?
- Is the tool overloaded?
- If you are still having problems, contact Makita customer service.
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.
- Store the tool in a cool, dry place.
Warranty
- This tool is warranted to be free from defects in materials and workmanship for one year 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
- Makita USA
- 1330 W. Olive Ave.
- Montebello, CA 91763
- Phone: 1-800-462-5687
- Website: https://www.makitatools.com/
Additional Information
- The Makita HR3850K is a powerful rotary hammer that can be used for a variety of applications, including hammer drilling, chiseling, and demolition.
- The tool has a variable speed trigger and two hammer settings, so you can adjust it to the specific task at hand.
- The HR3850K is also equipped with a side handle for added comfort and control.
- For more information on the Makita HR3850K, please visit the Makita website or contact Makita customer service.
Thank you for choosing Makita!
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