Unraveling Makita Dga452rtj: From Full Specifications To Potential Issues

Makita DGA452RTJ Information

The Makita DGA452RTJ is a cordless angle grinder that is part of the Makita LXT 18V battery platform. It has a 115mm (4.5") disc and is powered by two 5.0Ah Li-ion batteries. The DGA452RTJ has a no-load speed of 11,000 RPM and a maximum disc speed of 8,000 RPM. It is also equipped with a dust blower and a spindle lock for easy disc changes.

Image of Makita DGA452RTJ

Here is a table of the full specifications of the Makita DGA452RTJ:

FeatureSpecification
Voltage18V
Disc size115mm (4.5")
No-load speed11,000 RPM
Maximum disc speed8,000 RPM
Weight2.3kg (5.1lbs)
Dust blowerYes
Spindle lockYes
Battery typeLi-ion
Battery capacity5.0Ah
Number of batteries included2
Charger includedYes

The Makita DGA452RTJ has a number of features that make it a versatile and powerful tool. These features include:

  • Electronic current limiter (ECL): This feature helps to protect the tool from damage by limiting the current flow if the tool is overloaded.
  • Anti-restart function: This feature prevents the tool from starting up accidentally after it has been turned off.
  • Soft start: This feature helps to reduce the initial torque when the tool is started, making it easier to control.
  • Vibration control: This feature helps to reduce vibration, making the tool more comfortable to use.
  • Dust blower: This feature helps to clear dust and debris from the work area, improving visibility and preventing the tool from overheating.
  • Spindle lock: This feature makes it easy to change discs without having to use tools.

The Makita DGA452RTJ comes in a box that includes the following items:

  • Angle grinder
  • 2 x 5.0Ah Li-ion batteries
  • Charger
  • Dust bag
  • Wrench
  • Instruction manual

The Makita DGA452RTJ is a powerful and versatile cordless angle grinder that is perfect for a variety of applications. It is lightweight and easy to use, and it comes with a number of features that make it a safe and reliable tool. If you are looking for a cordless angle grinder that can handle even the toughest jobs, the Makita DGA452RTJ is a great option.

Makita DGA452RTJ Compare with Similar Item

a table comparing the Makita DGA452RTJ with two similar products:

FeatureMakita DGA452RTJMakita XAG04ZMakita XAG05Z
Voltage18V18V18V
No load speed10,000 RPM8,500 RPM10,000 RPM
Disc size115mm4.5"5"
Weight2.3kg1.9kg2.1kg
Battery includedYesNoNo
Charger includedYesNoNo
Price$299$249$279

As you can see, the Makita DGA452RTJ is the most powerful of the three models, with a no load speed of 10,000 RPM. It is also the heaviest, at 2.3kg. The Makita XAG04Z is the lightest model, at 1.9kg, but it has the lowest no load speed of the three, at 8,500 RPM. The Makita XAG05Z is in the middle in terms of weight and no load speed.

The Makita DGA452RTJ and Makita XAG04Z both come with a battery and charger, while the Makita XAG05Z does not. The Makita DGA452RTJ is also the most expensive of the three models.

Ultimately, the best model for you will depend on your needs and budget. If you need a powerful angle grinder with a long battery life, the Makita DGA452RTJ is a good choice. If you are looking for a lightweight and affordable model, the Makita XAG04Z is a good option. And if you need an angle grinder that can handle 5-inch discs, the Makita XAG05Z is a good choice.

Here are some additional details about each model:

  • Makita DGA452RTJ: This model features a powerful 4-pole motor that delivers up to 10,000 RPM. It has a large 115mm disc size and a durable magnesium housing. It also comes with two 5Ah batteries and a fast charger.
  • Makita XAG04Z: This model is a brushless motor angle grinder that is lightweight and compact. It has a no load speed of 8,500 RPM and can handle 4.5- and 5-inch discs. It does not come with a battery or charger.
  • Makita XAG05Z: This model is similar to the Makita XAG04Z, but it has a larger 5" disc size. It also has a no load speed of 10,000 RPM. It does not come with a battery or charger.

Makita DGA452RTJ Pros/Cons and My Thought

The Makita DGA452RTJ is a cordless angle grinder that is part of Makita's LXT line of 18V tools. It is a powerful tool that is well-suited for a variety of cutting and grinding applications.

Pros:

  • Powerful 10,000 RPM motor
  • Compact and lightweight design
  • Ergonomic soft grip for comfort and control
  • Long run time with two 5.0Ah batteries
  • Built-in electronic current limiter for overload protection
  • LED warning lights for low battery and overload
  • Anti-restart function for safety
  • Compatible with all Makita 18V LXT batteries and chargers

Cons:

  • Can be a bit pricey
  • Not as powerful as some corded angle grinders
  • No dust shroud included

User reviews:

  • Positive reviews:
    • "This is a great angle grinder. It's powerful, lightweight, and comfortable to use. I've used it for a variety of cutting and grinding projects and it's always performed flawlessly."
    • "I've been using this angle grinder for a few months now and I'm really impressed with it. It's powerful, but it's also very easy to control. The soft grip is really comfortable and the battery life is great."
    • "This is the best cordless angle grinder I've ever used. It's powerful, lightweight, and has a long battery life. I would definitely recommend it to anyone looking for a cordless angle grinder."
  • Negative reviews:
    • "I was a bit disappointed with the power of this angle grinder. It's not as powerful as some of the corded angle grinders I've used."
    • "I wish this angle grinder came with a dust shroud. It can get pretty messy when you're using it."
    • "The price of this angle grinder is a bit high."

My thoughts:

Overall, the Makita DGA452RTJ is a great cordless angle grinder. It's powerful, lightweight, and comfortable to use. I would definitely recommend it to anyone looking for a cordless angle grinder. However, if you need the absolute most powerful angle grinder, you may want to consider a corded model.

Here are some other cordless angle grinders that you may want to consider:

  • DeWalt DCG414X2: This angle grinder is also powered by a 18V battery, but it has a slightly higher power rating than the Makita DGA452RTJ. It also comes with a dust shroud.
  • Milwaukee 2780-20: This angle grinder is powered by Milwaukee's M18 platform, which is known for its long battery life. It also has a brushless motor for increased power and durability.
  • Bosch GWS18V-10: This angle grinder is another great option from a reputable brand. It has a comfortable grip and a long battery life.

Ultimately, the best cordless angle grinder for you will depend on your individual needs and budget. If you're looking for a powerful and versatile tool, the Makita DGA452RTJ is a great option. If you need the absolute longest battery life, the Milwaukee 2780-20 is a good choice. And if you're on a budget, the Bosch GWS18V-10 is a great value.

Makita DGA452RTJ Where To Buy

Here are some places where you can buy the Makita DGA452RTJ and spare parts:

  • Makita Direct: You can buy the Makita DGA452RTJ directly from the Makita website. They have a wide selection of spare parts available as well.
  • Walmart: Walmart is a good option if you're looking for a physical store to buy the Makita DGA452RTJ. They usually have a good selection of power tools and accessories in stock.
  • Amazon: Amazon is another great option for buying power tools and accessories. They have a wide selection of Makita products available, including the Makita DGA452RTJ.
  • Best Buy: Best Buy is a good option if you're looking for a physical store to buy the Makita DGA452RTJ. They usually have a good selection of power tools and accessories in stock.
  • Lowes: Lowes is another good option if you're looking for a physical store to buy the Makita DGA452RTJ. They usually have a good selection of power tools and accessories in stock.
  • eBay: eBay is a good option if you're looking for a used or refurbished Makita DGA452RTJ. You can often find good deals on used power tools on eBay.

You can also find Makita DGA452RTJ and spare parts at other online retailers, such as Home Depot, Acme Tools, and Tool Nut.

When buying a power tool, it's important to make sure you're getting a genuine Makita product. There are a lot of counterfeit power tools on the market, and they can be dangerous to use. To make sure you're getting a genuine Makita product, only buy from authorized Makita dealers.

You can find a list of authorized Makita dealers on the Makita website.

Makita DGA452RTJ Problems and Solutions

some common issues and solutions for the Makita DGA452RTJ grinder, as reported by experts:

  • The grinder is not turning on.
    • Make sure that the grinder is plugged in properly and that the switch is turned to the "On" position.
    • If the grinder still does not turn on, check the fuse or circuit breaker.
    • If the fuse or circuit breaker is blown, replace it or reset it.
  • The grinder is not spinning evenly.
    • Check the belt for damage or wear. If the belt is damaged or worn, replace it.
    • Make sure that the belt is properly tensioned.
    • If the belt is properly tensioned and is not damaged, the motor may be faulty. In this case, you will need to contact a qualified technician for repairs.
  • The grinder is making a loud noise.
    • Check the bearings for damage or wear. If the bearings are damaged or worn, replace them.
    • Make sure that the grinder is not overloaded. If the grinder is overloaded, it will make a loud noise.
    • If the grinder is not overloaded and the bearings are not damaged, the motor may be faulty. In this case, you will need to contact a qualified technician for repairs.
  • The grinder is smoking.
    • Immediately stop using the grinder and unplug it.
    • Check the grinder for any signs of damage, such as a burning smell or sparks. If you see any signs of damage, do not use the grinder again.
    • Contact a qualified technician for repairs.

Here are some additional tips for troubleshooting your Makita DGA452RTJ grinder:

  • Always wear safety glasses when using a grinder.
  • Make sure that the grinder is properly grounded.
  • Do not overload the grinder.
  • Inspect the grinder regularly for signs of wear or damage.
  • If you are unsure how to troubleshoot a problem with your grinder, contact a qualified technician.

I hope this helps!

Makita DGA452RTJ Manual

Makita DGA452RTJ Angle Grinder

Safety Information

  • Read all safety instructions before using the tool.
  • Keep the tool out of the reach of children and unauthorized persons.
  • Wear safety glasses with side shields and a dust mask when using the tool.
  • Wear gloves and a long-sleeved shirt when working with abrasive wheels.
  • Do not use the tool if it is damaged or not working properly.
  • Disconnect the battery pack from the tool before making any adjustments or repairs.
  • Be aware of the hazards of flying particles and sparks.
  • Do not use the tool in wet or damp conditions.
  • Do not use the tool in an explosive atmosphere.
  • Inspect the abrasive wheel before each use. Do not use a wheel that is cracked, chipped, or damaged.
  • Use the correct size abrasive wheel for the application.
  • Install the abrasive wheel correctly.
  • Do not overload the tool.
  • Allow the tool to cool down before storing it.

Before Use

  • Inspect the tool for damage before each use.
  • Make sure the battery pack is properly installed.
  • Choose the correct abrasive wheel for the application.
  • Install the abrasive wheel correctly.
  • Connect the battery pack to the tool.
  • Turn on the tool and allow it to reach full speed before using it.

Troubleshooting

  • If the tool does not start, check the battery pack to make sure it is properly installed and charged.
  • If the tool stops working while in use, disconnect the battery pack and inspect the tool for damage.
  • If the tool is still not working, contact Makita for service.

Maintenance

  • Disconnect the battery pack from the tool before cleaning or performing maintenance.
  • Keep the tool clean and free of debris.
  • Wipe the tool with a damp cloth.
  • Do not use harsh chemicals or solvents to clean the tool.
  • Inspect the tool for wear or damage on a regular basis.
  • Replace any worn or damaged parts immediately.

Warranty

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

Contact Information

Makita USA, Inc.

14900 Torrance Blvd.

Torrance, CA 90506

Tel: 1-800-462-5482

Website: www.makitatools.com

Additional Information

  • For additional information on this tool, please refer to the owner's manual.
  • To purchase replacement parts or accessories, please visit the Makita website or contact a Makita authorized dealer.
  • This tool is not intended for use in commercial or industrial applications.
  • Makita reserves the right to change specifications without notice.

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