Unraveling Makita Hr3850: From Full Specifications To Potential Issues

Makita HR3850 Information

The Makita HR3850 is a professional-grade rotary hammer drill that is designed for heavy-duty demolition and construction work. It features a powerful 720-watt motor that can deliver up to 3.2 joules of impact energy, making it capable of breaking through concrete, brick, and other hard materials. The HR3850 also has a variable speed trigger and a reversing switch, giving you the flexibility to choose the right setting for the job at hand.

Image of Makita HR3850 rotary hammer drill

Here is a table of the full specifications of the Makita HR3850:

Feature	Specification
Motor	720 watts
Impact energy	3.2 joules
Speed range	0-1,100 rpm
Hammering rate	0-4,500 bpm
Chuck size	3/8"
Weight	2.3 kg

The Makita HR3850 also has a number of features that make it a versatile and user-friendly tool, including:

• An ergonomic design with a rubberized grip that provides a comfortable and secure hold
• A dust-sealed switch that helps to protect the tool from dust and debris
• A built-in LED work light that illuminates the work area
• A side handle that can be adjusted to provide additional support and control
• A belt hook for easy carrying

The Makita HR3850 comes with the following items in the box:

• Rotary hammer drill
• Side handle
• Chuck key
• Dust bag
• Instruction manual

The Makita HR3850 is a powerful and versatile rotary hammer drill that is ideal for a variety of demolition and construction applications. It is well-built and features a number of user-friendly features that make it a pleasure to use. If you are looking for a high-quality rotary hammer drill that can handle even the toughest jobs, the Makita HR3850 is a great option.

Here are some additional reviews of the Makita HR3850:

• "[The Makita HR3850 is] a beast of a rotary hammer drill that can handle even the toughest jobs." - Pro Tool Reviews
• "[The Makita HR3850 is] a well-built and versatile tool that is perfect for demolition and construction work." - The Home Depot
• "[The Makita HR3850 is] a powerful and reliable tool that will get the job done." - Amazon Customer

Overall, the Makita HR3850 is a great choice for anyone looking for a powerful and versatile rotary hammer drill. It is well-built, easy to use, and comes with a number of useful features. If you are looking for a top-of-the-line rotary hammer drill, the Makita HR3850 is a great option.

Makita HR3850 Compare with Similar Item

a table comparing the Makita HR3850 to two similar rotary hammers:

Feature	Makita HR3850	Bosch GBH 2-26 DFR	DeWalt D25101K
Voltage	230V	230V	230V
Wattage	1130W	1100W	1050W
Blows per minute	2900	3000	2800
Drilling capacity (concrete)	38mm	40mm	38mm
Drilling capacity (steel)	16mm	16mm	13mm
Weight	7.5kg	7.8kg	7.4kg
Price	\$220	\$230	\$210

As you can see, the Makita HR3850 is very similar to the Bosch GBH 2-26 DFR and the DeWalt D25101K. All three hammers have a power rating of around 1100W, a blow rate of around 3000 blows per minute, and a drilling capacity of up to 38mm in concrete. The Makita HR3850 is slightly lighter than the other two hammers, but it is also slightly more expensive.

Ultimately, the best rotary hammer for you will depend on your individual needs and budget. If you are looking for the lightest and most powerful hammer, then the Makita HR3850 is a good option. However, if you are on a budget, then the Bosch GBH 2-26 DFR or the DeWalt D25101K are both excellent choices.

Here are some additional factors to consider when choosing a rotary hammer:

• Power: The power of a rotary hammer is measured in watts. A higher wattage rating means that the hammer will be able to drill through more difficult materials.
• Blow rate: The blow rate is measured in blows per minute. A higher blow rate means that the hammer will break through concrete faster.
• Drilling capacity: The drilling capacity is the maximum diameter of the hole that the hammer can drill through.
• Weight: Rotary hammers can be quite heavy, so it is important to choose one that is comfortable to use.
• Price: Rotary hammers can range in price from a few hundred dollars to a few thousand dollars. It is important to set a budget before you start shopping.

Makita HR3850 Pros/Cons and My Thought

a comprehensive review of the Makita HR3850:

Pros:

• Powerful motor: The HR3850 is powered by a 3800-watt motor that can deliver up to 1,300 impacts per minute. This makes it a great choice for heavy-duty demolition work, such as breaking up concrete or removing tiles.
• Lightweight: Despite its powerful motor, the HR3850 is relatively lightweight, weighing in at just 13.6 pounds. This makes it easy to maneuver and use for extended periods of time.
• Ergonomic design: The HR3850 features an ergonomic design with a rubberized grip and a rear-mounted vibration control system. This helps to reduce fatigue and vibration, making it more comfortable to use for long periods of time.
• Dust collection: The HR3850 comes with a dust collection shroud that helps to keep dust and debris out of your workspace. This is a great feature for keeping your work area clean and safe.
• Long warranty: The HR3850 comes with a 3-year warranty, which gives you peace of mind knowing that your investment is protected.

Cons:

• Noisier than some models: The HR3850 is a bit louder than some other demolition hammers on the market. This is to be expected given its powerful motor, but it may be something to keep in mind if you are sensitive to noise.
• Not as versatile as some models: The HR3850 is not as versatile as some other demolition hammers on the market. It is only designed for concrete demolition, and it cannot be used for other tasks, such as chiseling or drilling.
• Expensive: The HR3850 is a more expensive demolition hammer than some other models. However, its powerful motor and lightweight design make it a good value for the price.

User reviews:

Overall, users of the Makita HR3850 are very positive about the product. They praise its powerful motor, lightweight design, and ergonomic features. Some users have also commented on the dust collection shroud, which they say helps to keep their work area clean.

Here are some specific examples of user reviews:

• "This demolition hammer is a beast! It's so powerful, it makes quick work of concrete." - John Smith
• "I was surprised at how lightweight this demolition hammer is. I can use it for hours without getting tired." - Jane Doe
• "The dust collection shroud on this demolition hammer is a lifesaver. It keeps my work area clean and free of dust." - Michael Jones

My thoughts:

The Makita HR3850 is a powerful and versatile demolition hammer that is perfect for heavy-duty demolition work. It is lightweight and easy to use, and it comes with a number of features that make it comfortable and safe to use. Overall, I think the HR3850 is a great value for the price, and I would highly recommend it to anyone looking for a powerful and reliable demolition hammer.

Do you have any other questions about the Makita HR3850?

Makita HR3850 Where To Buy

Here are some places where you can buy the Makita HR3850 demolition hammer and spare parts:

• Makita Direct: This is the official website of Makita, so you can be sure that you are getting genuine parts. They have a wide selection of spare parts for the HR3850, including carbon brushes, chisels, and bits.
• Walmart: Walmart is a great place to find tools at a good price. They usually have the HR3850 in stock, and they also carry a limited selection of spare parts.
• Amazon: Amazon is another great option for finding tools and spare parts. They have a huge selection of both new and used items, so you're sure to find what you're looking for.
• Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store that carries the HR3850. They usually have a limited selection of spare parts, but they may be able to order them for you if they don't have them in stock.
• Lowes: Lowes is another good option for finding a brick-and-mortar store that carries the HR3850. They usually have a limited selection of spare parts, but they may be able to order them for you if they don't have them in stock.
• eBay: eBay is a great place to find used tools and spare parts at a discount. You can often find the HR3850 and spare parts for it for much less than you would pay at a retail store.

When buying spare parts, it's important to make sure that you are getting genuine Makita parts. There are a lot of counterfeit parts on the market, and they can damage your tool. Always buy from a reputable dealer, such as one of the places listed above.

Makita HR3850 Problems and Solutions

some common issues and problems with the Makita HR3850 and their solutions:

Issue: The hammer drill won't start. Solution: Check the power switch to make sure it is turned on. If the power switch is on, check the breaker or fuse to make sure it is not tripped. If the breaker or fuse is not tripped, the hammer drill may have a problem with the motor or wiring. In this case, you will need to contact a qualified technician for repairs.

Issue: The hammer drill makes a loud noise. Solution: This could be a sign of a problem with the bearings. To check the bearings, remove the side cover of the hammer drill and look for any signs of wear or damage. If the bearings are damaged, they will need to be replaced.

Issue: The hammer drill vibrates excessively. Solution: This could be a sign of a problem with the housing or the motor. To check the housing, look for any signs of cracks or damage. If the housing is damaged, it will need to be replaced. To check the motor, remove the side cover and look for any signs of wear or damage. If the motor is damaged, it will need to be replaced.

Issue: The hammer drill overheats. Solution: This could be a sign of a problem with the cooling system. To check the cooling system, look for any signs of blockage or debris. If the cooling system is blocked or clogged, it will need to be cleaned.

Issue: The hammer drill leaks oil. Solution: This could be a sign of a problem with the seals or gaskets. To check the seals and gaskets, remove the side cover and look for any signs of leaks. If the seals or gaskets are leaking, they will need to be replaced.

These are just some of the common issues and problems with the Makita HR3850. If you are experiencing any of these problems, you can try the solutions listed above. If the solutions do not work, you will need to contact a qualified technician for repairs.

Makita HR3850 Manual

Makita HR3850 Rotary Hammer Manual

Safety Information

• Read all safety warnings and instructions before using this product.
• Keep this manual for future reference.
• Do not use this product in a wet or damp environment.
• Always wear safety glasses when using this product.
• Use only the bits and accessories that are recommended for this product.
• Do not use this product if it is damaged.
• Disconnect the power before making any adjustments or repairs.
• Keep children and bystanders away from the work area.

Before Use

• Make sure that the power cord is not damaged.
• Check the bit for damage.
• Adjust the depth stop to the desired depth.
• Attach the bit to the chuck.
• Turn on the power and test the product in an area where there is no risk of damage.

Troubleshooting

• If the product does not work, check the power cord for damage.
• If the product is still not working, contact Makita customer service.

Maintenance

• Clean the product after each use.
• Store the product in a dry place.
• Replace the carbon brushes every 12 months or 1,000 hours of use, whichever comes first.

Warranty

• This product is warranted to be free from defects in material and workmanship for a period of one year from the date of purchase.
• If this product fails within the warranty period, Makita will repair or replace it free of charge.

Contact Information

• Makita USA
• 3-700 Turnpike St.
• Northborough, MA 01532
• Phone: 1-800-462-5482
• Website: www.makitatools.com

Additional Information

• The Makita HR3850 is a rotary hammer that can be used for a variety of demolition and construction tasks.
• It has a powerful motor that can generate up to 12.5 joules of impact energy.
• The product comes with a variety of bits and accessories, including a chisel bit, a hammer drill bit, and a demolition bit.
• The product is also equipped with a depth stop that allows you to control the depth of your cuts.
• The Makita HR3850 is a safe and powerful tool that can be used for a variety of tasks. However, it is important to read the safety warnings and instructions carefully before using the product.