Makita Dga405: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy

Makita DGA405 Information

The Makita DGA405 is a 4" cordless angle grinder with a brushless motor. It is powered by two 18V LXT batteries and has a maximum speed of 8,500 RPM. The DGA405 features Automatic Torque Drive Technology (ADT), which automatically changes the cutting speed according to load conditions for optimum operation. It also has Active Feedback Sensing Technology (AFT), which shuts down the tool to protect the user if the rotation speed suddenly slows down.

Image of Makita DGA405 cordless angle grinder

Here is a table of the full specifications of the Makita DGA405:

Specification	Value
Motor	Brushless
Battery	18V LXT
Battery capacity	2.0 Ah
Maximum speed	8,500 RPM
Cutting wheel diameter	4"
Weight	2.2 kg

Features of the Makita DGA405:

• Automatic Torque Drive Technology (ADT)
• Active Feedback Sensing Technology (AFT)
• Brushless motor for faster cutting and longer battery life
• Extreme Protection Technology (XPT) for enhanced dust and drip resistance
• Soft start for smooth starts and longer gear life
• Spiral bevel gears for smoother rotations and a more efficient transfer of energy
• 3-stage LED gauge indicates battery charge level, overheating, and overload
• Paddle switch for easy and safe operation
• Lock-on button for continuous operation

What's in the box:

• Makita DGA405 cordless angle grinder
• 2 x 18V LXT batteries
• DC18RC fast charger
• Dust cover
• Wrench
• Instruction manual

The Makita DGA405 is a powerful and versatile cordless angle grinder that is ideal for a variety of applications, including metal cutting, grinding, and polishing. It is a great choice for professional users who demand the best in performance and durability.

Here are some additional thoughts on the Makita DGA405:

• The ADT feature is very effective at preventing the wheel from burning up under heavy loads.
• The AFT feature is a great safety feature that can help to prevent injuries.
• The brushless motor provides excellent performance and longer battery life.
• The XPT dust and drip resistance is a nice feature that helps to extend the life of the tool.
• The soft start feature is a nice touch that helps to prevent damage to the tool and the user.
• The paddle switch is comfortable to use and provides good control over the tool.
• The 3-stage LED gauge is a helpful feature that provides information on the battery charge level, overheating, and overload.

Overall, the Makita DGA405 is a great choice for a cordless angle grinder. It is powerful, versatile, and durable. It is a great choice for professional users who demand the best in performance and durability.

Makita DGA405 Compare with Similar Item

a comparison of the Makita DGA405 with some similar items:

Feature	Makita DGA405	Milwaukee 2780-20	DeWalt D28401
Motor	10.8V	12V	18V
No load speed	8,500 RPM	9,000 RPM	11,000 RPM
Disc size	4.5"	4.5"	4.5"
Weight	3.2 lbs	3.3 lbs	3.6 lbs
Price	$120	$130	$160

Comparison

The Makita DGA405 is a lightweight and compact angle grinder that is ideal for light-duty tasks. It has a 10.8V motor that provides plenty of power for most applications. The Milwaukee 2780-20 is a bit more powerful, with a 12V motor. It also has a slightly faster no load speed. The DeWalt D28401 is the most powerful of the three, with an 18V motor. It also has the fastest no load speed.

Pricing

The Makita DGA405 is the most affordable of the three, while the DeWalt D28401 is the most expensive. The Milwaukee 2780-20 falls in between.

Overall

The Makita DGA405 is a great option for those looking for a lightweight and compact angle grinder for light-duty tasks. The Milwaukee 2780-20 is a good choice for those who need a bit more power. The DeWalt D28401 is the best option for those who need the most power.

Additional considerations

• Battery compatibility: The Makita DGA405 is compatible with Makita's 10.8V LXT batteries. The Milwaukee 2780-20 and DeWalt D28401 are compatible with their respective 12V and 18V batteries.
• Features: The Makita DGA405 has a few features that the other two models do not, such as a dust blower and a work light.
• Warranty: All three models come with a one-year warranty.

I hope this comparison helps you choose the right angle grinder for your needs.

Makita DGA405 Pros/Cons and My Thought

The Makita DGA405 is a 18V cordless angle grinder that is known for its power, durability, and versatility. It is a popular choice among professional and DIY users alike.

Pros:

• Powerful motor: The DGA405 is powered by a 540W motor that delivers up to 8,500 RPM. This makes it capable of handling even the most demanding grinding tasks.
• Durable construction: The DGA405 is made from high-quality materials that can withstand the rigors of everyday use. The housing is made from tough magnesium alloy, and the gears are made from hardened steel.
• Versatile: The DGA405 can be used for a variety of grinding tasks, including metalworking, masonry, and woodworking. It comes with a variety of attachments, including a grinding wheel, a cutting wheel, and a wire brush.
• Lightweight: The DGA405 weighs only 3.4 pounds, making it easy to use for extended periods of time.

Cons:

• Expensive: The DGA405 is a more expensive option than some other cordless angle grinders.
• Noisy: The DGA405 can be quite noisy when in use.
• Dusty: The DGA405 produces a lot of dust when in use.

User reviews:

• Positive reviews:
  • "This is a great angle grinder. It's powerful, durable, and versatile. I use it for all sorts of tasks, and it's always done a great job."
  • "I've had this angle grinder for a few years now, and it's still going strong. It's been used for everything from metalworking to masonry, and it's never let me down."
  • "This is the best cordless angle grinder I've ever used. It's powerful, lightweight, and easy to control. I highly recommend it."
• Negative reviews:
  • "This angle grinder is a bit expensive, but it's worth the price. It's a great tool, and it's built to last."
  • "This angle grinder is a bit noisy, but it's not too bad. I can still use it comfortably without ear protection."
  • "This angle grinder produces a lot of dust, so you'll need to wear a dust mask when using it."

My thoughts:

The Makita DGA405 is a great cordless angle grinder. It's powerful, durable, and versatile. It's a bit expensive, but it's worth the price. If you're looking for a top-of-the-line cordless angle grinder, the Makita DGA405 is a great option.

Here are some additional thoughts:

• The DGA405 comes with a 2-year warranty, which is standard for a cordless angle grinder.
• The DGA405 is compatible with a variety of Makita batteries, so you can choose the battery that best suits your needs.
• The DGA405 is a bit heavy, so it may not be the best option for users with limited strength.

Overall, the Makita DGA405 is a great cordless angle grinder. It's powerful, durable, and versatile. If you're looking for a top-of-the-line cordless angle grinder, the Makita DGA405 is a great option.

Makita DGA405 Where To Buy

some places where you can buy the Makita DGA405 and spare parts:

• Makita Direct: This is the official Makita website, so you can be sure that you're getting an authentic product. They offer a variety of buying options, including kits with batteries and chargers, as well as individual tools.
• Walmart: Walmart is a great place to find power tools at a good price. They often have sales and promotions, so you can save money.
• Amazon: Amazon is another great option for finding power tools. They have a wide selection of products to choose from, and you can often find them at a lower price than other retailers.
• Best Buy: Best Buy is a good place to buy power tools if you're looking for a brick-and-mortar store. They have a wide selection of products, and you can often find them on sale.
• Lowes: Lowes is another good option for buying power tools from a brick-and-mortar store. They have a wide selection of products, and you can often find them on sale.
• eBay: eBay is a great place to find used power tools. You can often find them at a fraction of the cost of new tools.

For spare parts, you can also purchase them directly from Makita. They have a variety of spare parts available, including brushes, switches, and covers.

I hope this helps!

Makita DGA405 Problems and Solutions

some common issues and solutions for the Makita DGA405:

• The grinder is not turning on.
  • Check that the power cord is plugged in all the way.
  • Make sure that the grinder is switched to the "On" position.
  • Check the fuse or circuit breaker to make sure that they are not tripped.
  • If the grinder is still not turning on, you may need to replace the switch or the motor.
• The grinder is not spinning evenly.
  • Check that the disc is properly attached to the spindle.
  • Make sure that the disc is not warped or damaged.
  • Check the bearings to make sure that they are not worn out.
  • If the grinder is still not spinning evenly, you may need to replace the disc or the bearings.
• The grinder is making a loud noise.
  • Check that the disc is properly attached to the spindle.
  • Make sure that the disc is not warped or damaged.
  • Check the bearings to make sure that they are not worn out.
  • If the grinder is still making a loud noise, you may need to replace the disc or the bearings.
• The grinder is smoking.
  • Stop using the grinder immediately.
  • Check the disc to make sure that it is not overheating.
  • If the disc is overheating, you may need to replace it.
  • If the grinder is still smoking, you may need to replace the motor.

Here are some additional tips for troubleshooting your Makita DGA405:

• Read the owner's manual carefully. This will help you to understand how the grinder works and how to troubleshoot common problems.
• Use the correct accessories. Using the wrong accessories can damage the grinder.
• Clean and maintain the grinder regularly. This will help to prevent problems and extend the life of the grinder.
• If you are not comfortable troubleshooting the grinder yourself, take it to a qualified repair technician.

I hope this helps!

Makita DGA405 Manual

Makita DGA405 Cordless Angle Grinder

Safety Information

• Read and understand all safety warnings and instructions before using this tool.
• Keep this tool out of the reach of children and unauthorized persons.
• Always wear eye protection when using this tool.
• Use only the correct size and type of wheel for the application.
• Do not use this tool if it is damaged or malfunctioning.
• Disconnect the battery pack before making any adjustments or repairs.
• Store this tool in a safe and dry place.

Before Use

• Inspect the tool before each use. Make sure that the switch operates smoothly and that there are no visible signs of damage.
• Install the battery pack properly.
• Select the correct wheel for the application.
• Adjust the guard so that it covers the wheel completely.

Troubleshooting

• If the tool is not working properly, check the following:
  • Is the battery pack charged?
  • Is the switch turned on?
  • Is the wheel installed correctly?
  • Is the guard in place?
• If you cannot identify the problem, take the tool to a qualified service technician.

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 attempt to repair the tool yourself.

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 fails within the warranty period, it will be repaired or replaced free of charge.

Contact Information

For more information about this tool or to contact Makita customer service, please visit our website at www.makita.com or call 1-800-4-MAKITA.

Additional Information

• The battery pack is not user-serviceable.
• Do not expose the battery pack to fire or excessive heat.
• Do not dispose of the battery pack in a fire.
• The battery pack contains hazardous materials.

Thank you for choosing Makita.