Dewalt Angle Grinder Review

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Imagine having a powerful tool at your disposal that can effortlessly handle any grinding or cutting task. Look no further than the Dewalt DWMT70782 20000 RPM 90 PSI Pneumatic Angle Die Grinder. With its impressive RPM and PSI capabilities, this angle grinder is designed to provide the utmost precision and efficiency in your projects. Whether you’re a professional craftsman or a DIY enthusiast, this versatile tool is a must-have addition to your toolkit. Say goodbye to manual grinding and welcome the convenience and power of the Dewalt Angle Die Grinder.

Dewalt DWMT70782 20000 RPM 90 PSI Pneumatic Angle Die Grinder

Find your new Dewalt DWMT70782 20000 RPM 90 PSI Pneumatic Angle Die Grinder on this page.

Why Consider This Product?

When it comes to power tools, you want something reliable and efficient. That’s why you should consider the Dewalt DWMT70782 20000 RPM 90 PSI Pneumatic Angle Die Grinder. This versatile tool offers a range of features and benefits that make it a great addition to any toolbox.

One of the main reasons to consider this product is its power and speed. With a maximum speed of 20000 RPM, this angle die grinder can tackle even the toughest materials with ease. Whether you’re cutting, grinding, or polishing, this tool can help you get the job done quickly and efficiently.

Another reason to consider the Dewalt DWMT70782 is its durability. Made by Dewalt, a trusted name in power tools, this angle die grinder is built to withstand the toughest job sites. It’s made with high-quality materials to ensure long-lasting performance, even in demanding conditions.

Features and Benefits

Increased Precision

The Dewalt DWMT70782 offers increased precision thanks to its ergonomic design and compact size. The angled head allows for easy access to tight spaces, making it ideal for intricate tasks. Whether you’re working on a small DIY project or a professional job, this tool will help you achieve precise results.


With this angle die grinder, you can tackle a wide range of tasks. From grinding and cutting metal to polishing surfaces, this tool can handle it all. Its versatility makes it a must-have for any DIY enthusiast or professional.

Easy to Use

The Dewalt DWMT70782 is designed with user-friendliness in mind. It features a convenient paddle switch for easy on/off operation, ensuring a hassle-free experience. Additionally, the tool’s lightweight and well-balanced design make it comfortable to operate for extended periods.

Efficient Dust Management

This angle die grinder comes equipped with an efficient dust management system. It helps to keep your work area clean and free from debris, allowing for greater visibility and preventing damage to the tool.

Product Quality

As a leading brand in the power tool industry, Dewalt is known for its commitment to quality. The Dewalt DWMT70782 is no exception. It is manufactured using high-quality materials and undergoes rigorous testing to ensure durability and performance.

What It’s Used For

Cutting and Grinding Metal

The Dewalt DWMT70782 is ideal for cutting and grinding metal. Whether you’re working with steel, aluminum, or other metals, this tool will help you achieve clean and precise cuts. Its high RPM ensures efficient and accurate material removal.

Polishing Surfaces

This angle die grinder is also perfect for polishing surfaces. With the right polishing attachment, you can achieve a smooth and shiny finish on metal, wood, or plastic surfaces. Whether you’re restoring an old piece of furniture or adding a glossy finish to a DIY project, this tool will deliver professional-quality results.

DIY Projects

From small repairs to home improvement projects, the Dewalt DWMT70782 is a valuable tool to have in your arsenal. Its versatility and ease of use make it perfect for a wide range of DIY tasks, such as sanding, shaping, and engraving.

Automotive and Mechanical Work

For automotive and mechanical work, this angle die grinder is a game-changer. Its power and speed make it ideal for cutting and shaping metal parts, removing rust, or even polishing engine parts. Whether you’re a professional mechanic or a DIY enthusiast, this tool will help you get the job done efficiently.

Dewalt DWMT70782 20000 RPM 90 PSI Pneumatic Angle Die Grinder

Product Specifications

Specifications Details
RPM (Revolutions per Minute) 20000
PSI (Pounds per Square Inch) 90
Tool Weight 2.5 lbs
Collet Size 1/4 inch
Air Consumption 4 CFM at 90 PSI

Who Needs This

The Dewalt DWMT70782 is a must-have tool for anyone who works with metal, whether as a DIY enthusiast or a professional. It’s perfect for mechanics, metalworkers, fabricators, and even artists who need a versatile and reliable tool for their projects.

Pros and Cons


  • Powerful motor with high RPM for efficient cutting and grinding
  • Durable and well-built construction
  • Versatile tool for a wide range of tasks
  • Easy to use and comfortable to operate
  • Efficient dust management system


  • Requires an air compressor
  • May be too heavy for some users


Q: Does it come with any accessories?

A: The Dewalt DWMT70782 angle die grinder does not come with any accessories. However, it is compatible with a wide range of standard 1/4 inch attachments.

Q: Can I use it without an air compressor?

A: No, this angle die grinder requires an air compressor to operate.

Q: Is it suitable for left-handed users?

A: Yes, the paddle switch design makes it ideal for both right-handed and left-handed users.

What Customers Are Saying

Many customers have praised the Dewalt DWMT70782 for its power and performance. They appreciate its durability and versatility, making it a tool that many professionals and DIY enthusiasts rely on for their projects. Customers also mention its ease of use and comfortable grip, allowing for extended use without fatigue.

Overall Value

The Dewalt DWMT70782 offers exceptional value for both professionals and DIY enthusiasts. With its power, versatility, and durability, it is a tool that will last for years and handle a wide range of tasks. While it does require an air compressor, the performance and quality make it worth the investment.

Tips and Tricks For Best Results

  • Use appropriate safety gear, including safety glasses and gloves, when operating the angle die grinder.
  • Ensure that the air compressor is properly maintained and provides sufficient airflow for the tool to operate effectively.
  • Use the appropriate attachments and accessories for each specific task to achieve the best results.
  • Regularly clean and lubricate the tool to ensure proper functioning and extend its lifespan.

Final Thoughts

Product Summary

The Dewalt DWMT70782 20000 RPM 90 PSI Pneumatic Angle Die Grinder is a powerful and versatile tool that offers exceptional performance. Its durability, precision, and ease of use make it a valuable addition to any toolbox.

Final Recommendation

If you’re looking for a reliable and efficient angle die grinder, the Dewalt DWMT70782 is highly recommended. Its power, versatility, and quality make it suitable for a wide range of tasks, whether you’re a professional or a DIY enthusiast. Invest in this tool and experience the difference it can make in your projects.

See the Dewalt DWMT70782 20000 RPM 90 PSI Pneumatic Angle Die Grinder in detail.


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