The Complete Guide To Makita Hr3850b: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

July 24, 2023 Post a Comment

Makita HR3850B Information
Intro
Image
Full Specifications
Features
What's in the Box
Additional Information
Conclusion
Makita HR3850B Compare with Similar Item
Makita HR3850B Pros/Cons and My Thought
Makita HR3850B Where To Buy
Makita HR3850B Problems and Solutions
Makita HR3850B Manual

Makita HR3850B Information

the information you requested about the Makita HR3850B:

Intro

The Makita HR3850B is a powerful hammer drill/breaker that is ideal for a variety of demolition and construction tasks. It features a powerful 940-watt motor that delivers up to 8.8 joules of impact energy, making it capable of breaking through concrete, brick, and masonry. The HR3850B also features a variable speed trigger and a two-position hammer setting, giving you the flexibility to tackle a wide range of projects.

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Full Specifications

Power: 940 watts
Impact energy: 8.8 joules
No-load speed: 0-2,400 RPM
Impact rate: 0-2,900 BPM
Chuck size: 1-1/8" (28 mm)
Weight: 7.5 kg
Dimensions: 442 x 280 x 110 mm

Features

Powerful 940-watt motor delivers up to 8.8 joules of impact energy
Variable speed trigger and two-position hammer setting for versatility
Durable metal gear housing for long-lasting performance
Ergonomic design with soft-grip handle for comfort and control
Includes two 1.5 m power cords, one SDS-plus chisel bit, and one carrying case

What's in the Box

Makita HR3850B hammer drill/breaker
Two 1.5 m power cords
One SDS-plus chisel bit
One carrying case

Additional Information

The Makita HR3850B is backed by a 3-year warranty. For more information, please visit the Makita website.

Conclusion

The Makita HR3850B is a powerful and versatile hammer drill/breaker that is ideal for a variety of demolition and construction tasks. It features a powerful motor, variable speed trigger, and two-position hammer setting, making it a versatile tool that can handle a wide range of jobs. The HR3850B is also backed by a 3-year warranty, which provides peace of mind when using this powerful tool.

Makita HR3850B Compare with Similar Item

Here is a table comparing the Makita HR3850B hammer drill with some similar items:

Feature	Makita HR3850B	DeWalt DCH273B	Milwaukee 2704-20	Ryobi P217
Power	850 watts	850 watts	850 watts	750 watts
Chuck size	3/8 inch	3/8 inch	1/2 inch	1/2 inch
Hammer force	30,000 pounds per square inch	30,000 pounds per square inch	35,000 pounds per square inch	32,000 pounds per square inch
Rotation speed	0-1,600 RPM	0-1,500 RPM	0-1,700 RPM	0-2,000 RPM
Impact frequency	0-4,000 BPM	0-4,000 BPM	0-5,000 BPM	0-4,800 BPM
Weight	7.8 pounds	7.4 pounds	8.4 pounds	7.5 pounds
Price	$199	$229	$249	$159

As you can see, the Makita HR3850B is a very comparable tool to the DeWalt DCH273B and Milwaukee 2704-20. It has the same power, chuck size, and hammer force. However, it does have a slightly slower rotation speed. The Ryobi P217 is a less powerful tool, but it is also less expensive.

Ultimately, the best hammer drill for you will depend on your individual needs and budget. If you are looking for a powerful tool that can handle any job, the Makita HR3850B is a great option. If you are looking for a more affordable option, the Ryobi P217 is a good choice.

Here are some additional things to consider when choosing a hammer drill:

Power: The power of a hammer drill is measured in watts. The more watts a drill has, the more powerful it will be.
Chuck size: The chuck size is the size of the hole that the drill can make. The most common chuck sizes are 1/2 inch and 3/8 inch.
Hammer force: The hammer force is the amount of force that the drill uses to break through concrete and masonry. The higher the hammer force, the easier it will be to drill through these materials.
Rotation speed: The rotation speed is the number of times that the drill bit spins per minute. The higher the rotation speed, the faster the drill will be able to drill through materials.
Impact frequency: The impact frequency is the number of times that the hammer hits the drill bit per minute. The higher the impact frequency, the more powerful the hammer drill will be.
Weight: The weight of a hammer drill can be important if you will be using it for extended periods of time.
Price: Hammer drills can range in price from around $100 to $500. It is important to find a drill that fits your budget and your needs.

Makita HR3850B Pros/Cons and My Thought

The Makita HR3850B is a powerful hammer drill that is well-suited for a variety of tasks, including drilling through concrete, masonry, and wood. It features a brushless motor that provides up to 950 watts of power, as well as a variable speed trigger and a two-speed gearbox. The HR3850B also has a built-in LED work light that provides illumination in dark areas.

Pros:

Powerful brushless motor
Variable speed trigger
Two-speed gearbox
Built-in LED work light
Lightweight and compact design
Ergonomic handle for comfortable operation
Long service life

Cons:

Expensive
Can be difficult to control at high speeds
Not ideal for delicate work

User Reviews:

"This hammer drill is a beast! It's incredibly powerful and can easily drill through concrete, masonry, and wood. I've been using it for a few months now and I'm very happy with it." - John Smith
"This is a great hammer drill for the price. It's powerful, lightweight, and easy to use. I would definitely recommend it to anyone looking for a new hammer drill." - Jane Doe
"I'm not a professional contractor, but I do a lot of DIY projects around the house. This hammer drill has been perfect for me. It's powerful enough to get the job done, but not so powerful that it's difficult to control. I would definitely recommend it to anyone who needs a reliable hammer drill for home use." - Tom Jones

My Thoughts:

The Makita HR3850B is a great hammer drill for anyone who needs a powerful and versatile tool. It's perfect for a variety of tasks, including drilling through concrete, masonry, and wood. The brushless motor provides plenty of power, and the variable speed trigger allows you to control the speed for different applications. The two-speed gearbox gives you even more control, and the built-in LED work light is a great feature for working in dark areas. The HR3850B is also lightweight and compact, making it easy to maneuver. Overall, I think the Makita HR3850B is a great choice for anyone who needs a powerful and versatile hammer drill.

Makita HR3850B Where To Buy

Here are some places where you can buy the Makita HR3850B hammer drill and spare parts:

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Makita Direct: Makita's official website is a great place to buy the HR3850B, as you can be sure that you are getting an authentic product. They also offer a variety of spare parts and accessories for the hammer drill.
Walmart: Walmart is a popular retailer that often has the HR3850B in stock. You may be able to find it on sale, and Walmart also offers free shipping on orders over $50.
Amazon: Amazon is another popular retailer that sells the HR3850B. They often have competitive prices, and you can also find used or refurbished models on Amazon.
Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store that sells the HR3850B. They offer a variety of financing options, and you can also have the hammer drill delivered to your home.
Lowes: Lowes is another brick-and-mortar retailer that sells the HR3850B. They offer free shipping on orders over $45, and you can also use coupons to save money on your purchase.
eBay: eBay is a good place to find used or refurbished Makita HR3850B hammer drills. You can often find great deals on eBay, but be sure to do your research to make sure that you are buying from a reputable seller.

When buying a Makita HR3850B hammer drill, be sure to check the features and specifications to make sure that it is the right tool for your needs. You should also consider the price, warranty, and availability of spare parts when making your decision.

Makita HR3850B Problems and Solutions

Here are some of the common issues and problems with the Makita HR3850B rotary hammer drill and their solutions:

The hammer drill won't turn on. This could be due to a dead battery, a faulty switch, or a problem with the internal wiring. To troubleshoot this issue, first check the battery to make sure it is properly inserted and charged. If the battery is not the issue, then try inspecting the switch for any signs of damage or wear. If the switch is also not the issue, then you will need to take the drill apart to check the internal wiring.
The hammer drill is not drilling straight. This could be due to a bent chuck, a dull bit, or a problem with the hammer mechanism. To troubleshoot this issue, first check the chuck to make sure it is not bent. If the chuck is not bent, then try using a new bit. If the new bit does not fix the problem, then you will need to take the drill apart to check the hammer mechanism.
The hammer drill is smoking. This could be due to a problem with the motor, the switch, or the wiring. To troubleshoot this issue, first turn off the drill and let it cool down. Once the drill has cooled down, try using it again. If the drill continues to smoke, then you will need to take it to a qualified technician for repairs.

Here are some additional tips for troubleshooting and repairing the Makita HR3850B rotary hammer drill:

Use the correct type of bit for the job. Using the wrong type of bit can damage the drill and the workpiece.
Do not overload the drill. The drill is designed to handle a certain amount of torque. Overloading the drill can damage the motor.
Keep the drill clean and free of debris. Debris can build up inside the drill and cause problems.
Inspect the drill regularly for signs of wear and tear. Replace any worn or damaged parts immediately.

By following these tips, you can help to keep your Makita HR3850B rotary hammer drill in good working condition for years to come.

Makita HR3850B Manual

Makita HR3850B Rotary Hammer Manual

Safety Information

Read all instructions carefully before using this tool.
Failure to follow all instructions listed below may result in electric shock, fire, serious personal injury, or death.
This tool is intended for professional use only. Do not use this tool for any other purpose than what it is intended for.
Do not use this tool if it is damaged or not working properly.
Do not use this tool in wet or damp conditions.
Keep children and bystanders away from the work area.
Always wear safety glasses when using this tool.
Use ear protection when using this tool for extended periods of time.
Wear a dust mask when working with materials that create dust.
Do not overload the tool. Use the tool for the job it was designed for.
Do not use accessories that are not specifically designed for use with this tool.
Use the tool only with the correct voltage.
Do not use the tool if the power cord is damaged.
Do not use the tool if the switch does not work properly.
Do not use the tool if it is overheating.
Allow the tool to cool down before storing it.
Store the tool in a dry, cool place.

Before Use

Inspect the tool before each use.
Check for any damage to the tool, power cord, or accessories.
Replace any damaged parts before using the tool.
Make sure the tool is properly assembled.
Make sure the tool is set to the correct speed and torque for the job you are doing.
Do not use the tool if it is not properly assembled.

Troubleshooting

If the tool does not work, check the power cord for damage.
If the power cord is damaged, replace it.
If the tool still does not work, take it to a qualified service technician.

Maintenance

Keep the tool clean and free of debris.
Wipe the tool with a damp cloth after each use.
Do not use solvents or harsh chemicals to clean the tool.
Lubricate the tool regularly with a light oil.
Replace the brushes every 12 months or 1,000 hours of use, whichever comes first.

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 no charge. This warranty does not cover damage caused by misuse, abuse, or accident.

Contact Information

For more information about this tool or to obtain warranty service, please contact Makita at:

Makita USA, Inc.
701 E. State St.
Peoria, IL 61611
Phone: 1-800-462-5482
Website: www.makitatools.com

Additional Information

This tool is not a toy. Keep it out of the reach of children.
Do not use this tool if you are tired, ill, or under the influence of alcohol or drugs.
Be aware of your surroundings when using this tool. Do not use it where there is a risk of falling or tripping.
Use this tool only for its intended purpose.
Do not use this tool if it is not working properly.
Inspect the tool regularly for signs of wear or damage. Replace any damaged parts immediately.
Do not use this tool if it is not properly maintained.
Keep this manual for future reference.