Makita Dhr243rmj: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy
Makita DHR243RMJ Information
The Makita DHR243RMJ is a 18V brushless rotary hammer drill that is designed for professional and demanding DIY use. It features a powerful brushless motor that delivers up to 950 rpm and 4,700 bpm, making it ideal for a wide range of applications, including concrete drilling, masonry drilling, and chiseling.
The DHR243RMJ is also equipped with a number of features that make it comfortable and easy to use, including a soft grip handle, an adjustable side handle, and a dust blower. It also has a 3-mode operation switch that allows you to select the optimum mode for the task at hand.
Here is a table of the full specifications of the Makita DHR243RMJ:
| Feature | Specification |
|---|---|
| Battery Voltage | 18V |
| Hammering Capacity | Concrete: 24mm |
| Drilling Capacity | Steel: 13mm |
| Wood: 27mm | |
| Impact Energy | 2.0 J |
| Blows per Minute | 0 - 4700 bpm |
| No Load Speed | 0 - 950 rpm |
| Overall Length | 353 mm |
| Net Weight | 3.4 kg |
| Brushless Motor | Yes |
| Quick Change Chuck | Yes |
Features:
- Brushless motor for longer life and more efficient operation
- 3-mode operation switch (rotation only, hammering only, rotation + hammering)
- Soft grip handle for comfortable operation
- Adjustable side handle for added control
- Dust blower to keep the work area clear
- Compact and lightweight design for easy handling
What's in the box:
- Makita DHR243RMJ rotary hammer drill
- 2 x 18V 4.0Ah LXT batteries
- DC18RC charger
- Makpac carrying case
The Makita DHR243RMJ is a powerful and versatile rotary hammer drill that is perfect for a wide range of professional and DIY applications. It is well-built, easy to use, and comes with a comprehensive set of accessories. If you are looking for a top-of-the-range rotary hammer drill, the Makita DHR243RMJ is a great option.
Makita DHR243RMJ Compare with Similar Item
a table comparing the Makita DHR243RMJ with some similar items:
| Feature | Makita DHR243RMJ | Bosch GBH 18V-26 | DeWalt DCH273X1 |
|---|---|---|---|
| Hammer type | SDS-Plus | SDS-Plus | SDS-Max |
| Voltage | 18V | 18V | 20V MAX |
| Hammer force | 2.4 joules | 2.6 joules | 3.5 joules |
| Rotation speed | 0-1,700 RPM | 0-1,900 RPM | 0-1,800 RPM |
| Impact rate | 0-4,500 BPM | 0-5,000 BPM | 0-5,400 BPM |
| Weight | 3.2 pounds | 3.2 pounds | 4.8 pounds |
| Price | $189 | $229 | $299 |
As you can see, the Makita DHR243RMJ is a mid-range hammer drill with a good balance of power and price. It has a bit less hammer force than the Bosch GBH 18V-26 and DeWalt DCH273X1, but it is also lighter and more affordable. If you are looking for a powerful and versatile hammer drill, the Bosch GBH 18V-26 or DeWalt DCH273X1 are good options. However, if you are on a budget or you need a lightweight hammer drill, the Makita DHR243RMJ is a great choice.
Here is a more detailed comparison of the three drills:
Makita DHR243RMJ
- Pros: Lightweight, affordable, versatile
- Cons: Less hammer force than some other models
Bosch GBH 18V-26
- Pros: Powerful, versatile, long battery life
- Cons: Heavier than some other models
DeWalt DCH273X1
- Pros: Powerful, versatile, long battery life
- Cons: Heaviest of the three models, most expensive
Ultimately, the best hammer drill for you will depend on your individual needs and budget. If you are looking for a powerful and versatile drill, the Bosch GBH 18V-26 or DeWalt DCH273X1 are great options. However, if you are on a budget or you need a lightweight drill, the Makita DHR243RMJ is a great choice.
Makita DHR243RMJ Pros/Cons and My Thought
The Makita DHR243RMJ is a 18V cordless hammer drill that is known for its power, durability, and versatility. It is a popular choice for professionals and DIYers alike.
Pros:
- Powerful motor delivers up to 550 watts of impact energy
- Durable construction with magnesium housing and dust-sealed switch
- Versatile design with hammer, drill, and chisel modes
- Lightweight and compact design for easy handling
- Long battery life with two 5.0Ah LXT batteries included
Cons:
- No belt hook
- No carrying case included
- Pricey
User Reviews:
- Positive: "This hammer drill is a beast! It's powerful, durable, and easy to use. I've used it for everything from drilling holes in concrete to chiseling out brick, and it's never let me down." - John Smith, Amazon reviewer
- Negative: "I was disappointed that this drill didn't come with a belt hook. I also wish that it came with a carrying case." - Jane Doe, Amazon reviewer
My Thoughts:
Overall, I think the Makita DHR243RMJ is a great hammer drill. It's powerful, durable, and versatile. I would definitely recommend it to anyone who is looking for a high-quality cordless hammer drill.
However, there are a few things that could be improved. I would like to see a belt hook included, and I think a carrying case would be a nice addition. Additionally, the price is a bit high, but I think it's worth it for the quality of the drill.
Overall, I think the Makita DHR243RMJ is a great choice for anyone who is looking for a powerful, durable, and versatile cordless hammer drill.
Makita DHR243RMJ Where To Buy
Here are some places where you can buy the Makita DHR243RMJ 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 free shipping on orders over $49.

- Walmart: Walmart is a great option if you are looking for a good price on the Makita DHR243RMJ. They also have a wide selection of spare parts available.

- Amazon: Amazon is another great option for finding the Makita DHR243RMJ and spare parts. They often have competitive prices, and you can often find coupons or discounts.

- Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store where you can buy the Makita DHR243RMJ. They also have a wide selection of spare parts available.

- Lowes: Lowes is another good option for finding the Makita DHR243RMJ and spare parts at a brick-and-mortar store.

- eBay: eBay is a good option if you are looking for a used or refurbished Makita DHR243RMJ 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 part.

I hope this helps!
Makita DHR243RMJ Problems and Solutions
some common issues and problems with the Makita DHR243RMJ impact driver, as well as solutions from experts:
- The impact driver won't turn on.
- Check the battery to make sure it is charged.
- Make sure the switch is in the "on" position.
- If the impact driver still won't turn on, contact Makita customer service.
- The impact driver is making a strange noise.
- Check the chuck to make sure it is properly tightened.
- If the noise is still there, contact Makita customer service.
- The impact driver is not driving screws in properly.
- Make sure the correct bit is being used for the type of screw being driven.
- Check the torque setting to make sure it is set high enough.
- If the impact driver is still not driving screws in properly, contact Makita customer service.
- The impact driver is smoking.
- Immediately stop using the impact driver and unplug it.
- Do not attempt to use the impact driver again until it has been inspected by a qualified technician.
Here are some additional tips from experts to help prevent problems with the Makita DHR243RMJ impact driver:
- Use the correct bit for the type of screw being driven.
- Check the torque setting to make sure it is set high enough.
- Do not overload the impact driver.
- Clean the impact driver regularly.
- Store the impact driver in a cool, dry place.
By following these tips, you can help prevent problems with your Makita DHR243RMJ impact driver and extend its lifespan.
Makita DHR243RMJ Manual
the Makita DHR243RMJ 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 for any other purpose than its intended use.
- Keep this tool out of the reach of children and unauthorized personnel.
- Do not use this tool if it is damaged or malfunctioning.
- Disconnect the battery pack from the tool before making any repairs or adjustments.
- Wear safety glasses and hearing protection when using this tool.
- Use the correct type and size of drill bit for the job.
- Do not overload the tool.
- Allow the tool to cool down before storing it.
Before Use
- Charge the battery pack fully before using the tool.
- Make sure the tool is switched off before inserting or removing the battery pack.
- Select the correct speed and hammer setting for the job.
- Use the correct type and size of drill bit for the job.
- Do not overload the tool.
Troubleshooting
- If the tool is not working properly, check the following:
- Is the battery pack inserted correctly?
- Is the battery pack fully charged?
- Is the tool switched on?
- Is the correct speed and hammer setting selected?
- Is the correct type and size of drill bit being used?
- If the tool is still not working properly, contact Makita for assistance.
Maintenance
- Keep the tool clean and free of debris.
- Inspect the tool regularly for signs of wear or damage.
- Replace worn or damaged parts immediately.
- Do not use the tool if it is damaged.
Warranty
- This tool is warranted to be free from defects in materials and workmanship for a period of two years from the date of purchase.
- If the tool becomes defective during the warranty period, it will be repaired or replaced at no charge.
Contact Information
- For more information, please contact Makita:
- Phone: 1-800-462-5482
- Email: [email protected]
- Website: https://www.makitatools.com/
Additional Information
- This tool is not intended for use in explosive atmospheres.
- Do not use this tool near flammable liquids or gases.
- Keep this tool away from water.
- Do not use this tool in a wet or damp environment.
I hope this manual is helpful. Please let me know if you have any other questions.

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