Makita DGA404. REVIEW.

 

The Makita DGA404 is a powerful and compact 18V cordless angle grinder, part of Makita’s extensive LXT line of tools. It's designed for cutting, grinding, and sanding in both professional and DIY applications. Here's an in-depth review of its key features, performance, and overall value:

Key Features:

  1. Brushless Motor: The DGA404 is equipped with a brushless motor, which offers better efficiency, longer life, and less maintenance compared to traditional brushed motors. It helps reduce heat buildup, especially under continuous use.
  2. 18V LXT Battery Compatibility: It runs on Makita's popular 18V LXT battery platform, making it compatible with a wide range of Makita tools. This is convenient if you're already invested in Makita's ecosystem.
  3. 125mm (5") Wheel Diameter: The grinder supports a 125mm (5-inch) disc, which is a versatile size for most grinding and cutting tasks, from metalworking to tile cutting.
  4. Active Feedback Sensing Technology (AFT): This feature automatically shuts down the tool if a sudden drop in rotation speed is detected, reducing the risk of kickback or injury.
  5. Automatic Torque Drive Technology (ADT): ADT adjusts the speed and torque during operation depending on the load, ensuring optimal performance and protecting the motor from overload.
  6. Anti-Restart Function: If the battery is replaced while the switch is still on, this safety feature prevents the grinder from restarting automatically, minimizing accidents.
  7. Soft Start: The soft start feature allows the tool to ramp up slowly when activated, which helps prevent sudden jolts and improves overall control.

Performance:

  • Power and Versatility: Despite being cordless, the DGA404 delivers impressive power. It reaches a no-load speed of 8,500 RPM, which is suitable for most general-purpose grinding and cutting tasks on metal, tile, and other materials.
  • Battery Life: The brushless motor, combined with the efficient battery system, ensures long runtimes, though this will vary depending on the intensity of the task and the battery capacity used. For light tasks, a 5.0Ah battery can offer a decent runtime, but heavy cutting or grinding will drain the battery faster.
  • Mobility: Being cordless gives the DGA404 an edge for users who work on-site or in areas where power outlets are not easily accessible. It’s lightweight and easy to carry around.

Durability:

Makita tools are known for their solid build quality, and the DGA404 is no exception. The tool is built with high-quality materials, making it durable for heavy use in tough environments like construction sites. Its XPT (Extreme Protection Technology) provides added protection against dust and water, enhancing its longevity in outdoor or harsh conditions.

Ergonomics:

The grinder is designed with user comfort in mind. It has a rubberized soft grip for better handling, reducing fatigue during extended use. Additionally, its compact and lightweight design makes it easier to maneuver compared to larger corded models.

Pros:

  • Brushless motor increases efficiency and tool life.
  • Active safety features like AFT, anti-restart, and soft start improve user safety and control.
  • Cordless freedom with solid power and good battery performance.
  • Compact and lightweight for easy handling and transportation.
  • Compatible with Makita's 18V LXT batteries, adding versatility to users already in the Makita ecosystem.

Cons:

  • Battery drain: Heavier cutting tasks will drain the battery quickly, especially when using smaller capacity batteries.
  • No variable speed control: It operates at a fixed speed, which may limit its precision in certain tasks compared to grinders with variable speed settings.
  • Price: As with most Makita tools, it tends to be priced higher than some competitors, but the premium is often justified by its durability and performance.

Conclusion:

The Makita DGA404 is a versatile, well-built cordless angle grinder ideal for professional tradespeople and serious DIYers. Its brushless motor, safety features, and compatibility with the LXT battery system make it a reliable choice for various grinding and cutting tasks. While it may not have the runtime of a corded model for continuous heavy use, its portability and power make it highly valuable for on-the-go jobs or remote worksites.

If you’re already invested in Makita’s LXT ecosystem, the DGA404 will be a strong addition to your tool collection. However, for heavy, all-day grinding tasks, a corded option might still be a better choice.


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