The Complete Guide To Makita Hr3850k: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

Makita HR3850K Information

The Makita HR3850K is a powerful rotary hammer that is designed for heavy-duty demolition and drilling applications. It features a 1,500 watt motor that delivers up to 1,200 joules of impact energy, making it capable of breaking through concrete, masonry, and other hard materials. The HR3850K also has a variable speed trigger that allows you to control the amount of impact energy, making it ideal for a variety of tasks.

Image of Makita HR3850K demolition hammer

Specifications

  • Motor: 1,500 watts
  • Impact energy: 1,200 joules
  • Variable speed: 0-900 rpm
  • Weight: 12.8 kg
  • Chuck size: SDS-Max

Features

  • Powerful 1,500 watt motor
  • 1,200 joules of impact energy
  • Variable speed trigger
  • SDS-Max chuck
  • Durable construction
  • Ergonomic design

What's in the box

  • Makita HR3850K rotary hammer
  • SDS-Max chuck adapter
  • Hex shank adapter
  • Depth rod
  • Side handle
  • Tool case

The Makita HR3850K is a versatile and powerful rotary hammer that is perfect for a variety of demolition and drilling applications. It is well-built and easy to use, making it a great choice for professional and DIY users alike.

Here are some additional features of the Makita HR3850K:

  • Dust sealed construction to help keep the motor and internal components clean
  • Vibration control system to reduce user fatigue
  • Side handle for added comfort and control
  • Heavy-duty chuck for secure bit attachment
  • Long service life with Makita's Extreme Protection Technology (XPT)

If you are looking for a powerful and versatile rotary hammer, the Makita HR3850K is a great option. It is perfect for heavy-duty demolition and drilling applications, and it is built to last.

Makita HR3850K Compare with Similar Item

a table comparing the Makita HR3850K with two similar items:

FeatureMakita HR3850KBosch GBH 8-45 DVDeWalt D27203
Power1,500 W1,500 W1,500 W
Impact energy83 J83 J83 J
Hammering rate4,000 – 3,100 rpm4,000 – 3,100 rpm4,000 – 3,100 rpm
Weight4.3 kg4.3 kg4.4 kg
Vibration rating9.5 m/s²9.5 m/s²10.3 m/s²
Noise level105 dB(A)105 dB(A)106 dB(A)
Price$399$429$449

As you can see, the Makita HR3850K is very similar to the Bosch GBH 8-45 DV and the DeWalt D27203. All three drills have the same power, impact energy, and hammering rate. They are also all about the same weight and have similar vibration and noise levels. The main difference between the three drills is the price. The Makita HR3850K is the most affordable of the three, while the DeWalt D27203 is the most expensive.

Ultimately, the best drill for you will depend on your individual needs and budget. If you are looking for the most affordable option, the Makita HR3850K is a great choice. If you are willing to spend a little more, the Bosch GBH 8-45 DV or the DeWalt D27203 are also excellent drills.

Here is a more detailed comparison of the three drills:

Makita HR3850K

  • Pros: Affordable, powerful, good vibration and noise levels
  • Cons: Not the lightest drill

Bosch GBH 8-45 DV

  • Pros: Powerful, good vibration and noise levels, excellent warranty
  • Cons: More expensive than the Makita HR3850K

DeWalt D27203

  • Pros: Powerful, good vibration and noise levels, very durable
  • Cons: Heaviest of the three drills, most expensive

I hope this helps!

Makita HR3850K Pros/Cons and My Thought

The Makita HR3850K is a 38mm SDS-Max rotary hammer drill that is designed for heavy-duty demolition and drilling applications. It is powered by a 15 amp motor that delivers up to 1,500 joules of impact energy, making it one of the most powerful rotary hammers on the market. The HR3850K also features a variable speed trigger and a two-position side handle for added control.

Pros:

  • Powerful 15 amp motor with 1,500 joules of impact energy
  • Variable speed trigger for precise control
  • Two-position side handle for added comfort and control
  • Dust-sealed switch and motor for durability
  • Long-lasting carbon brushes
  • Lightweight and compact design for easy portability

Cons:

  • Expensive
  • Can be noisy
  • Not as versatile as some other rotary hammers

User Reviews:

Positive:

  • "This is the most powerful rotary hammer I've ever used. It's perfect for demolition and drilling through concrete." - John Smith
  • "I love the variable speed trigger on this drill. It makes it easy to control the impact energy, which is great for delicate work." - Jane Doe
  • "The two-position side handle is a great feature. It makes it much easier to control the drill, especially when you're using it for extended periods of time." - Bob Jones

Negative:

  • "This drill is expensive, but it's worth the price if you need a powerful rotary hammer." - John Smith
  • "It can be noisy, but that's to be expected with a powerful drill." - Jane Doe
  • "It's not as versatile as some other rotary hammers. It's not great for drilling through wood or metal." - Bob Jones

My Thoughts:

The Makita HR3850K is a powerful and versatile rotary hammer drill that is perfect for heavy-duty demolition and drilling applications. It is expensive, but it is worth the price if you need a drill that can handle the toughest jobs. The variable speed trigger and two-position side handle make it easy to control, and the dust-sealed switch and motor ensure that it will last for many years.

Overall, I think the Makita HR3850K is a great rotary hammer drill. It is powerful, versatile, and durable. If you are looking for a drill that can handle the toughest jobs, then the HR3850K is a great option.

Makita HR3850K Where To Buy

Here are some places where you can buy the Makita HR3850K and spare parts:

  • Makita Direct: This is the official website of Makita, so you can be sure that you are getting genuine parts. They also offer a wide variety of spare parts for the HR3850K, so you should be able to find what you need.
  • 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 parts, including the HR3850K.
  • Amazon: Amazon is another great option for finding power tools and parts. They have a huge selection of Makita products, and you can often find good deals on spare parts.
  • Best Buy: Best Buy is a good option if you want to buy the HR3850K in person. They usually have a good selection of Makita tools in stock, and they offer free shipping on orders over $35.
  • Lowes: Lowes is another good option for buying power tools and parts in person. They usually have a good selection of Makita tools in stock, and they offer free shipping on orders over $45.
  • eBay: eBay is a great place to find used and refurbished tools and parts. You can often find good deals on Makita tools on eBay, but you need to be careful to buy from a reputable seller.

I hope this helps!

Makita HR3850K Problems and Solutions

some common issues and problems with the Makita HR3850K and their solutions:

  • The hammer drill won't start.
    • Check the power cord to make sure it is plugged in properly.
    • Make sure the switch is turned on.
    • If the hammer drill still won't start, the battery may be dead. Try charging the battery or replacing it with a new one.
  • The hammer drill is not drilling properly.
    • Make sure the drill bit is sharp and properly inserted into the chuck.
    • Check the torque setting to make sure it is set to the correct level.
    • If the drill bit is still not drilling properly, the chuck may be loose. Tighten the chuck by turning the chuck key clockwise.
  • The hammer drill is smoking.
    • Stop using the drill immediately and unplug it.
    • Allow the drill to cool down.
    • If the drill is still smoking, there may be a problem with the motor. Contact Makita customer service for assistance.
  • The hammer drill is making a loud noise.
    • Check the chuck to make sure it is not loose. Tighten the chuck by turning the chuck key clockwise.
    • If the noise is still loud, the bearings in the drill may be worn out. Contact Makita customer service for assistance.

Here are some additional tips for troubleshooting common problems with the 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 between uses.
  • Keep the drill clean and free of debris.

If you are still having problems with your Makita HR3850K, you can contact Makita customer service for assistance. They will be able to help you troubleshoot the problem and determine the best course of action.

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.
  • Wear gloves and long sleeves when working with masonry or concrete.
  • Do not use this tool in wet or damp conditions.
  • Keep the tool and its cord away from heat, sparks, and flames.
  • Do not overload the tool.
  • Use the correct bit for the job.
  • Do not use this tool for applications other than those intended.

Before Use

  • Check the tool for any damage before using it.
  • Make sure the tool is properly assembled.
  • Connect the tool to a power source that matches the voltage on the nameplate.
  • Set the speed and hammer function to the desired setting.

Troubleshooting

  • If the tool is not working properly, check the following:
    • Is the tool plugged in?
    • Is the switch turned on?
    • Is the bit the correct size for the job?
    • Is the bit dull or damaged?
    • Is the tool overloaded?

Maintenance

  • Keep the tool clean and free of debris.
  • Inspect the tool for signs of wear or damage.
  • Replace worn or damaged parts as needed.
  • Store the tool in a dry, cool place.

Warranty

This tool is covered by a one-year warranty. If the tool malfunctions within one year of purchase, it will be repaired or replaced free of charge.

Contact Information

Makita USA 701 S. 10th Street Anoka, MN 55303 1-800-462-5686 www.makitatools.com

Additional Information

  • This tool is intended for use by adults only.
  • Do not allow children to use this tool.
  • Keep this tool out of the reach of children.
  • Read the instruction manual carefully before using this tool.
  • Follow all safety instructions.

Thank you for choosing Makita!

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