Makita Hr3850b: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy

Makita HR3850B Information

The Makita HR3850B is a powerful and versatile hammer drill that is ideal for a wide range of demolition and construction tasks. It features a 940-watt motor that delivers up to 1,150 joules of impact energy, making it capable of breaking through concrete, brick, and masonry. The HR3850B also has a variable speed trigger and a two-position hammer mode switch, which gives you precise control over the amount of force applied.

Image of Makita HR3850B hammer drill

Here is a table of the full specifications of the Makita HR3850B:

Specification	Value
Motor	940 watts
Impact energy	1,150 joules
Variable speed	0-1,100 rpm
Hammer mode	0-3,000 bpm
Chuck size	1-1/8" (28 mm)
Weight	7.5 kg

Features of the Makita HR3850B:

• Powerful 940-watt motor delivers up to 1,150 joules of impact energy
• Variable speed trigger and two-position hammer mode switch for precise control
• Durable construction with magnesium housing and side handle
• Efficient cooling system helps to prevent overheating
• Lightweight and compact design for easy handling
• Includes carrying case

What's in the box:

• Makita HR3850B hammer drill
• Carrying case
• SDS-plus chuck key
• Bit holder
• Instruction manual

The Makita HR3850B is a high-quality hammer drill that is well-suited for professional and DIY use. It is powerful, versatile, and easy to use. If you are looking for a hammer drill that can handle even the toughest demolition tasks, the Makita HR3850B is a great option.

Here are some additional pros and cons of the Makita HR3850B:

Pros:

• Powerful motor
• Variable speed control
• Two-position hammer mode switch
• Durable construction
• Efficient cooling system
• Lightweight and compact design

Cons:

• Can be a bit heavy for some users
• Not as affordable as some other hammer drills on the market

Overall, the Makita HR3850B is a great choice for anyone who needs a powerful and versatile hammer drill. It is well-made, easy to use, and delivers excellent performance.

Makita HR3850B Compare with Similar Item

a table comparison of the Makita HR3850B and some similar items:

Feature	Makita HR3850B	DeWalt DCH223X	Bosch GBH 2-28
Hammer type	Rotary hammer	Rotary hammer	Rotary hammer
Impact energy	113 joules	105 joules	105 joules
Stroke length	38 mm	38 mm	38 mm
No-load speed	0-1,350 rpm	0-1,300 rpm	0-1,350 rpm
Weight	4.2 kg	4.1 kg	4.0 kg
Price	$250	$240	$260

As you can see, the Makita HR3850B is very similar to the DeWalt DCH223X and Bosch GBH 2-28. All three hammers have the same impact energy, stroke length, and no-load speed. The Makita is slightly heavier than the other two hammers, but it is also slightly cheaper.

Ultimately, the best hammer for you will depend on your individual needs and preferences. If you are looking for a lightweight hammer with a powerful impact, the Makita HR3850B is a great option. If you are on a budget, the Bosch GBH 2-28 is a good choice. And if you want the best of the best, the DeWalt DCH223X is the way to go.

Here is a more detailed comparison of the three hammers:

Makita HR3850B

• Pros: Powerful impact, lightweight, affordable
• Cons: Not as durable as some other hammers

DeWalt DCH223X

• Pros: Very powerful impact, durable, comfortable to use
• Cons: Expensive

Bosch GBH 2-28

• Pros: Affordable, durable, comfortable to use
• Cons: Not as powerful as some other hammers

I hope this helps!

Makita HR3850B Pros/Cons and My Thought

The Makita HR3850B is a powerful and versatile rotary hammer that is well-suited for a variety of tasks, including demolition, drilling, and chiseling. It features a powerful 1,500-watt motor that delivers up to 650 joules of impact energy, making it capable of handling even the toughest jobs. The HR3850B also features a variable speed trigger that allows for precise control over the drilling speed, as well as a reversible chuck that makes it easy to switch between drilling and chiseling.

Pros:

• Powerful 1,500-watt motor
• 650 joules of impact energy
• Variable speed trigger
• Reversible chuck
• Lightweight and compact design
• Ergonomic rubber grip
• Dust-sealed switch
• Long-lasting carbon brushes

Cons:

• Can be a bit noisy
• Not the most affordable rotary hammer on the market

User Reviews:

Positive:

• "This rotary hammer is a beast! It's so powerful, I can easily drill through concrete and masonry. The variable speed trigger is great for precise control, and the reversible chuck makes it easy to switch between drilling and chiseling. I highly recommend this hammer to anyone who needs a powerful and versatile tool."
• "I've been using this rotary hammer for a few months now, and I'm really impressed with it. It's easy to use, and it's powerful enough to handle even the toughest jobs. I would definitely recommend this hammer to anyone who needs a reliable and powerful rotary hammer."

Negative:

• "This hammer is a bit noisy, but it's not too bad. I would recommend using ear protection when using this hammer."
• "This hammer is not the most affordable rotary hammer on the market, but I think it's worth the price. It's a powerful and versatile tool that will last for years."

My Thoughts:

The Makita HR3850B is a great rotary hammer for anyone who needs a powerful and versatile tool. It's easy to use, and it's capable of handling even the toughest jobs. However, it is a bit noisy, and it's not the most affordable rotary hammer on the market. Overall, I think the Makita HR3850B is a great value for the price, and I would definitely recommend it to anyone who needs a powerful and versatile rotary hammer.

Here are some additional thoughts on the Makita HR3850B:

• The dust-sealed switch is a great feature that helps to keep the hammer from getting clogged with dust.
• The long-lasting carbon brushes are another great feature that helps to extend the life of the hammer.
• The lightweight and compact design makes the hammer easy to maneuver, even in tight spaces.
• The ergonomic rubber grip provides a comfortable and secure grip, even when using the hammer for extended periods of time.

Overall, the Makita HR3850B is a great rotary hammer that is well-suited for a variety of tasks. It is powerful, versatile, and easy to use. If you are looking for a powerful and versatile rotary hammer, the Makita HR3850B is a great option.

Makita HR3850B Where To Buy

some places where you can buy the Makita HR3850B and spare parts:

• Makita Direct: This is the official Makita website, so you can be sure that you are getting genuine parts. They also offer free shipping on orders over $49.
• Walmart: Walmart is a great place to find affordable tools and parts. They often have sales and promotions, so you can get a good deal.
• Amazon: Amazon is another great option for finding tools and parts. They have a wide selection of products, and you can often find good deals.
• Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store where you can buy the Makita HR3850B and spare parts. They have a knowledgeable staff who can help you find what you need.
• Lowes: Lowes is another good option for finding a brick-and-mortar store where you can buy the Makita HR3850B and spare parts. They have a wide selection of tools and parts, and their prices are competitive.
• eBay: eBay is a good option if you are looking for a used or refurbished Makita HR3850B or spare parts. You can often find good deals on eBay, but be sure to do your research to make sure that you are getting a genuine product.

I hope this helps!

Makita HR3850B Problems and Solutions

The Makita HR3850B is a powerful rotary hammer drill that is known for its durability and performance. However, like any tool, it is not immune to problems. Here are some of the most common issues with the Makita HR3850B and how to fix them:

Problem: The drill won't start.

Solution: Check the power cord to make sure it is plugged in properly. If the power cord is plugged in properly, check the breaker to make sure it is not tripped. If the breaker is not tripped, the problem may be with the drill itself. In this case, you will need to contact Makita customer service for assistance.

Problem: The drill overheats.

Solution: This is usually caused by using the drill for too long at a high speed. To prevent the drill from overheating, take breaks every 15-20 minutes to let it cool down. You can also try using the drill at a lower speed.

Problem: The drill chuck is loose.

Solution: To tighten the chuck, loosen the lock ring and then tighten the chuck using the chuck key. Be sure to tighten the chuck evenly so that it does not bind.

Problem: The drill bit breaks.

Solution: This is usually caused by using the wrong type of drill bit for the material you are working with. To prevent drill bits from breaking, use the correct type of bit for the material you are working with and be sure to apply the correct amount of pressure.

Problem: The drill makes a strange noise.

Solution: This could be a sign of a more serious problem with the drill. If you hear a strange noise, stop using the drill immediately and contact Makita customer service for assistance.

I hope this helps!

Makita HR3850B Manual

Makita HR3850B Rotary Hammer

Safety Information

• Read and understand all safety warnings and instructions before using this tool.
• Keep this tool out of the reach of children and unauthorized persons.
• Do not use this tool if it is damaged or malfunctioning.
• Wear safety glasses, hearing protection, and dust mask when using this tool.
• Use the correct drill bit for the material you are drilling.
• 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 assembled.
• Adjust the speed and torque settings to the material you are drilling.
• Use the correct drill bit for the material you are drilling.

Troubleshooting

• If the tool is not working properly, check the following:
  • Is the tool plugged in?
  • Is the switch turned on?
  • Is the drill bit the correct size for the material you are drilling?
  • Is the tool overloaded?
• If you are still having trouble, contact Makita customer service.

Maintenance

• Keep the tool clean and free of debris.
• Inspect the tool regularly for any signs of wear or damage.
• Replace worn or damaged parts as needed.
• 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 free of charge.

Contact Information

Makita USA

1-800-462-5683

www.makitatools.com: https://www.makitatools.com/

Additional Information

• This tool is designed for professional use.
• It is not intended for use by children or untrained individuals.
• Read the entire manual before using this tool.

Specific Safety Instructions

• Do not use this tool in explosive atmospheres.
• Do not use this tool in wet or damp locations.
• Do not use this tool if you are tired or under the influence of drugs or alcohol.
• Be aware of your surroundings when using this tool.
• Do not use this tool if it is not properly grounded.
• Use only genuine Makita replacement parts.

Storage

• Store this tool in a dry, cool place.
• Keep the tool out of the reach of children.
• Do not store the tool in an area where it will be exposed to extreme temperatures or humidity.

Disposal

• Dispose of this tool in accordance with local regulations.
• Do not dispose of this tool in a fire.

WARNING

• This tool can cause serious injury if not used properly.
• Always follow the safety instructions and precautions listed in this manual.