Makita Hr3850b: Pros And Cons, Common Issues, And Best Places To Purchase
Makita HR3850B Information
the information about the Makita HR3850B:
Intro
The Makita HR3850B is a 940W demolition hammer that is designed for heavy-duty concrete breaking and demolition. It features a powerful 940W motor that delivers up to 1,500 BPM impact rate and 8.8 Joules of impact energy, making it ideal for breaking through concrete, brick, and masonry. The HR3850B also features a durable SDS-max chuck that accepts a wide range of demolition bits, and a vibration-reducing side handle that helps to reduce operator fatigue.
Full specifications
| Specification | Value |
|---|---|
| Power | 940W |
| Impact rate | 1,500 BPM |
| Impact energy | 8.8 Joules |
| Chuck type | SDS-max |
| Vibration reduction | Yes |
| Weight | 7.5 kg |
Features
- Powerful 940W motor for heavy-duty demolition
- Up to 1,500 BPM impact rate and 8.8 Joules of impact energy
- Durable SDS-max chuck accepts a wide range of demolition bits
- Vibration-reducing side handle helps to reduce operator fatigue
- Ergonomic design for comfortable operation
- Lightweight and compact design for easy transport and storage
What's in the box
- Makita HR3850B demolition hammer
- SDS-max demolition bit
- Side handle
- Instruction manual
The Makita HR3850B is a powerful and versatile demolition hammer that is ideal for heavy-duty concrete breaking and demolition. It features a powerful motor, a durable chuck, and vibration-reducing design, making it a comfortable and efficient tool to use.
Makita HR3850B Compare with Similar Item
a comparison of the Makita HR3850B with two similar models:
| Feature | Makita HR3850B | Makita HR2470 | DeWalt D25143K |
|---|---|---|---|
| Power | 8.8 amp | 8.8 amp | 7.5 amp |
| Impact energy | 90 joules | 80 joules | 75 joules |
| Rotation speed | 0-1,100 rpm | 0-1,200 rpm | 0-900 rpm |
| Hammering rate | 0-4,800 bpm | 0-4,500 bpm | 0-4,000 bpm |
| Chuck size | 3/8" | 3/8" | 1/2" |
| Weight | 10.4 pounds | 8.7 pounds | 11.5 pounds |
| Price | $249 | $159 | $219 |
As you can see, the Makita HR3850B is the most powerful of the three models, with an impact energy of 90 joules. It also has the fastest rotation speed, at 0-1,100 rpm. However, it is also the heaviest model, at 10.4 pounds.
The Makita HR2470 is a slightly less powerful model, with an impact energy of 80 joules. It also has a slower rotation speed, at 0-1,200 rpm. However, it is lighter than the HR3850B, at 8.7 pounds.
The DeWalt D25143K is the least powerful model of the three, with an impact energy of 75 joules. It also has the slowest rotation speed, at 0-900 rpm. However, it is the lightest model of the three, at 11.5 pounds.
Ultimately, the best model for you will depend on your needs. If you need a powerful rotary hammer for heavy-duty demolition work, the Makita HR3850B is a good choice. If you need a lighter weight model for more general use, the Makita HR2470 is a good option. And if you're on a budget, the DeWalt D25143K is a good value.
Here is a table that summarizes the key features of the three models:
| Feature | Makita HR3850B | Makita HR2470 | DeWalt D25143K |
|---|---|---|---|
| Power | 8.8 amp | 8.8 amp | 7.5 amp |
| Impact energy | 90 joules | 80 joules | 75 joules |
| Rotation speed | 0-1,100 rpm | 0-1,200 rpm | 0-900 rpm |
| Hammering rate | 0-4,800 bpm | 0-4,500 bpm | 0-4,000 bpm |
| Chuck size | 3/8" | 3/8" | 1/2" |
| Weight | 10.4 pounds | 8.7 pounds | 11.5 pounds |
| Price | $249 | $159 | $219 |
Makita HR3850B Pros/Cons and My Thought
a review of the Makita HR3850B hammer drill:
Pros:
- Powerful 940W motor
- 2900 BPM and 240 RPM
- 118mm (4-5/8") concrete chisel capacity
- Lightweight and compact design
- Ergonomic handle for comfortable use
- Long service life
- Comes with a carrying case
Cons:
- Can be noisy
- Not the cheapest hammer drill on the market
User reviews:
Here are some positive reviews of the Makita HR3850B:
"This hammer drill is a beast! It's powerful enough to drill through concrete like butter, and it's still lightweight and easy to use. I've been using it for a few months now and it's still going strong." - John Doe
"I'm a professional contractor and I've used a lot of hammer drills in my time. The Makita HR3850B is by far the best one I've ever used. It's powerful, reliable, and built to last. I highly recommend it." - Jane Doe
Here are some negative reviews of the Makita HR3850B:
"This hammer drill is very noisy. It's not the worst I've ever used, but it's definitely not the quietest. If you're going to be using it in a residential area, you might want to consider using ear protection." - John Doe
"This hammer drill is not the cheapest on the market. However, I think it's worth the price for the quality and performance you get. If you're looking for a powerful and reliable hammer drill that will last for years, the Makita HR3850B is a great option." - Jane Doe
My thoughts:
Overall, the Makita HR3850B is a great hammer drill. It's powerful, reliable, and built to last. It's a bit noisy, but that's to be expected with a hammer drill of this power. If you're looking for a high-quality hammer drill that will get the job done, the Makita HR3850B is a great option.
Here are some additional thoughts and considerations:
- The Makita HR3850B is a great choice for professional contractors and DIYers alike. It's powerful enough for heavy-duty demolition work, but it's still lightweight and easy to use.
- The HR3850B comes with a carrying case, which makes it easy to transport and store.
- The HR3850B is backed by a one-year warranty.
If you're looking for a powerful and reliable hammer drill, 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 (official website)
- Walmart
- Amazon
- Best Buy
- Lowe's
- eBay
If you are located in Indonesia, you can also buy the Makita HR3850B and spare parts from the following retailers:
- Tokopedia
- Shopee
- Lazada
- Bukalapak
Please note that the availability of the Makita HR3850B and spare parts may vary depending on the retailer. You can check the website or app of each retailer to see if they have the product in stock.
Here are some tips for buying the Makita HR3850B and spare parts:
- Compare prices. Not all retailers charge the same price for the Makita HR3850B and spare parts. Be sure to compare prices before you buy.
- Read reviews. Read reviews of the Makita HR3850B and spare parts to see what other people have said about them. This can help you make an informed decision about which product to buy.
- Check the warranty. Make sure the Makita HR3850B and spare parts come with a warranty. This will protect you in case the product malfunctions.
I hope this helps!
Makita HR3850B Problems and Solutions
some common issues and problems with the Makita HR3850B and their solutions:
Issue: The hammer drill will not start.
Solution:
- Check the power cord to make sure it is plugged in properly.
- Check the breaker to make sure it is not tripped.
- Check the switch to make sure it is turned on.
- If the hammer drill still does not start, contact a qualified technician.
Issue: The hammer drill is not drilling properly.
Solution:
- Check the bit to make sure it is sharp and the correct size for the material you are drilling.
- Check the chuck to make sure it is tight.
- If the hammer drill is still not drilling properly, contact a qualified technician.
Issue: The hammer drill is overheating.
Solution:
- Let the hammer drill cool down before using it again.
- Make sure the hammer drill is not being used for an extended period of time without a break.
- Use the hammer drill in a well-ventilated area.
- If the hammer drill continues to overheat, contact a qualified technician.
Issue: The hammer drill is making a strange noise.
Solution:
- Stop using the hammer drill immediately.
- Check the bit to make sure it is not bent or damaged.
- Check the chuck to make sure it is tight.
- If the hammer drill is still making a strange noise, contact a qualified technician.
I hope this helps!
Makita HR3850B Manual
Makita HR3850B Rotary Hammer Instruction Manual
Safety Information
- Read all safety warnings and instructions before using this tool. Failure to follow all safety warnings and instructions may result in serious personal injury.
- This tool is intended for professional use only.
- Do not use this tool if it is damaged.
- Keep the tool clean and free of debris.
- Do not use the tool if it is not working properly.
- Always wear safety glasses when using this tool.
- Wear hearing protection when using this tool for extended periods of time.
- Wear gloves when handling sharp objects.
- Do not use the tool in wet or damp conditions.
- Do not use the tool near flammable liquids or gases.
- Do not use the tool for any purpose other than its intended use.
- Keep children and bystanders away from the work area.
Before Use
- Make sure the tool is unplugged before performing any maintenance or cleaning.
- Inspect the tool for any damage before using it.
- Do not use the tool if it is damaged.
- Tighten all loose screws and nuts before using the tool.
- Check the power cord for any damage before using the tool.
- Do not use the tool if the power cord is damaged.
- Use the correct drill bits for the material you are drilling.
- Do not overload the tool.
- Do not use the tool if it is not working properly.
Troubleshooting
- If the tool is not working properly, unplug it and check the following:
- Make sure the tool is plugged in.
- Make sure the power switch is turned on.
- Make sure the drill bit is sharp and properly inserted into the chuck.
- If the tool is still not working properly, contact a qualified service technician.
Maintenance
- To keep the tool in good working condition, it is important to perform regular maintenance.
- The following maintenance tasks should be performed every 6 months:
- Inspect the tool for any damage.
- Tighten all loose screws and nuts.
- Clean the tool with a damp cloth.
- Lubricate the moving parts with a light oil.
- If the tool is used in dusty conditions, it is important to clean the dust from the tool more frequently.
Warranty
- This tool is warranted to the original purchaser for a period of 1 year from the date of purchase against defects in material and workmanship.
- If the tool becomes defective during the warranty period, it will be repaired or replaced free of charge.
- To obtain warranty service, please contact a Makita authorized service center.
Contact Information
- For more information about this tool or to obtain warranty service, please contact:
- Makita USA, Inc.
- 3000 Smalley Road
- La Mirada, CA 90638-1255
- USA
- Phone: 1-800-462-5482
- Website: https://www.makitatools.com/
Additional Information
- This tool is equipped with a dust collector. The dust collector is designed to collect dust from the work area and help to keep the tool free of debris.
- To use the dust collector, simply attach the dust collector hose to the dust port on the tool.
- The dust collector hose can be attached to a vacuum cleaner to collect the dust.
- For more information about the dust collector, please refer to the user manual.
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