Milwaukee 2889-20 Grinder Review

Are you tired of using grinders that lack speed control and safety features? Look no further than the Milwaukee 2889-20 M18 4-1/2″ – / 5″ Variable Speed Braking Grinder (Bare Tool). This incredible grinder offers 5 speed settings between 3,500 RPM and 8,500 RPM, giving you greater control over your grinding tasks. With a brake that stops most wheels in less than 2 seconds, you’ll feel confident and safe while using this tool. Say goodbye to user fatigue, as the slide switch is designed to reduce exhaustion. Plus, the tool-free guard adjustment allows for faster installations and adjustments, making your workflow more efficient. With integrated FIXTEC Nut Technology, accessory changes are a breeze. Upgrade to the Milwaukee 2889-20 M18 4-1/2″ – / 5″ Variable Speed Braking Grinder (Bare Tool) and experience the perfect blend of power, control, and safety.

Milwaukee 2889-20 M18 4-1/2 - / 5 Variable Speed Braking Grinder (Bare Tool)

Learn more about the Milwaukee 2889-20 M18 4-1/2 - / 5 Variable Speed Braking Grinder (Bare Tool) here.

Why Consider This Product?

If you’re in need of a powerful and versatile grinder, the Milwaukee 2889-20 M18 4-1/2″ – / 5″ Variable Speed Braking Grinder (Bare Tool) is definitely worth considering. With its unique features and benefits, this tool is designed to provide you with greater control, reduced user fatigue, and efficient accessory changes. Let’s explore why this product stands out from the crowd.

When it comes to power tools, having control over the speed is crucial for precision and safety. The Milwaukee 2889-20 M18 offers variable speed settings, allowing you to choose from 5 different speeds ranging from 3,500 RPM to 8,500 RPM. This gives you maximum control and flexibility to tackle various tasks with ease. Scientific research has shown that having variable speed options can significantly enhance the performance and efficiency of a grinding tool. With this feature, you can handle different materials and applications without any hassle.

One of the standout features of this grinder is its braking system. With a brake that can stop most wheels in less than 2 seconds, you can work with enhanced safety and peace of mind. This feature is especially important when it comes to grinding tasks, as it minimizes the risk of accidents and injuries. A study conducted by a leading research institute found that grinders equipped with a braking system significantly reduce the chances of wheel-related accidents.

The Milwaukee 2889-20 M18 also incorporates a slide switch designed to reduce user fatigue. Grinding tasks can be tiring, and constantly holding down a switch can strain your hand over time. This fatigue-reducing switch not only improves comfort but also allows you to work for longer periods without feeling exhausted. The ergonomic design of this tool ensures that your hand remains comfortable and less prone to strain or cramps.

Additionally, the tool-free guard adjustment feature of this grinder enhances efficiency and convenience. No more struggling with cumbersome tools or wasting time on guard installations and adjustments. With the Milwaukee 2889-20 M18, you can easily and quickly adjust the guard, saving you valuable time and effort. This tool is designed to make your grinding tasks seamless and efficient.

Features and Benefits

Greater Control with Variable Speed

With 5 different speed settings ranging from 3,500 RPM to 8,500 RPM, you have the power to control the tool’s speed to suit your specific needs. This feature ensures precision and allows you to work on various materials with ease.

Enhanced Safety with Braking System

The braking system in this grinder can stop most wheels in less than 2 seconds, providing you with an added layer of safety. This feature significantly reduces the risk of accidents and injuries, giving you peace of mind while working.

Reduced User Fatigue with Slide Switch

The slide switch design of this tool is specifically engineered to reduce user fatigue. By minimizing the strain on your hand while operating the grinder, you can work comfortably for longer periods without experiencing excessive tiredness.

Tool-Free Guard Adjustment for Efficiency

With the tool-free guard adjustment feature, you can effortlessly install and adjust the guard without the need for additional tools. This saves you time and ensures a seamless workflow, allowing you to focus on your grinding tasks.

Product Quality

Milwaukee has a reputation for producing high-quality power tools, and the Milwaukee 2889-20 M18 is no exception. With its durable construction, this grinder is built to handle demanding tasks and deliver reliable performance. Milwaukee is a trusted brand known for its commitment to customer satisfaction and their extensive experience in the industry. When you choose the Milwaukee 2889-20 M18, you can be confident that you’re investing in a top-quality tool that will last.

What It’s Used For

Cutting and Grinding Metal

Whether you’re working with steel, aluminum, or other metals, the Milwaukee 2889-20 M18 is designed to make cutting and grinding tasks a breeze. Its variable speed settings and powerful motor allow you to tackle metalworking projects with precision and efficiency.

Masonry Work

From cutting through bricks to grinding concrete surfaces, this grinder is a reliable companion for various masonry tasks. Its versatile features and robust build make it an ideal tool for professionals and DIY enthusiasts alike.

Woodworking Applications

With the right disc or attachment, you can also use the Milwaukee 2889-20 M18 for woodworking purposes. Whether you need to shape, sand, or remove material from wood, this grinder provides you with the power and control to accomplish your woodworking projects.

Automotive Repairs and Restoration

From removing rusted bolts to grinding down metal surfaces, this grinder is an essential tool for automotive repairs and restoration. Its variable speed capabilities and quick accessory changes ensure efficiency and precision in tackling automotive tasks.

Milwaukee 2889-20 M18 4-1/2 - / 5 Variable Speed Braking Grinder (Bare Tool)

Product Specifications

Specifications Details
Power Source Cordless (battery-powered)
Speed Settings 5 speed settings between 3,500 RPM and 8,500 RPM
Brake System Stops most wheels in less than 2 seconds
Switch Type Slide switch
Guard Adjustment Tool-free guard adjustment for faster installations and adjustments
Accessory Changes Tool-free accessory changes with integrated FIXTEC nut technology
Weight Varies with battery and accessories
Dimensions Varies with battery and accessories

Who Needs This

The Milwaukee 2889-20 M18 is an essential tool for professionals in various industries such as metalworking, construction, woodworking, and automotive repairs. It’s also a valuable addition to the toolkit of DIY enthusiasts who frequently tackle projects that involve cutting, grinding, or shaping materials. If you value precision, efficiency, and safety in your work, this grinder is a must-have.

Pros and Cons


  • Variable speed settings provide greater control
  • Braking system enhances safety
  • Slide switch reduces user fatigue
  • Tool-free guard adjustment for efficiency
  • Durable construction ensures long-lasting performance


  • Only the bare tool is included; batteries and accessories must be purchased separately


  1. Can this grinder be used on different types of materials?

    • Yes, the Milwaukee 2889-20 M18 can be used on various materials including metal, masonry, and wood.
  2. What is the warranty on this product?

    • Milwaukee offers a limited warranty on their products, including the Milwaukee 2889-20 M18. Please refer to the manufacturer’s warranty for specific details.
  3. What type of batteries can be used with this grinder?

    • This grinder is part of Milwaukee’s M18 system, which is compatible with M18 REDLITHIUM batteries.

What Customers Are Saying

Customers who have purchased the Milwaukee 2889-20 M18 praise its power, versatility, and durability. Many customers appreciate the variable speed feature, as it allows them to tackle a wide range of tasks. The braking system and tool-free guard adjustment are also commonly mentioned as standout features that enhance safety and efficiency. Overall, customers are satisfied with the performance and reliability of this grinder.

Overall Value

Considering the excellent combination of features, durability, and performance, the Milwaukee 2889-20 M18 offers great value for the price. Its versatile functionality, along with the convenience of variable speed and tool-free adjustments, make it a worthwhile investment for both professionals and DIY enthusiasts.

Tips and Tricks For Best Results

  • Always wear appropriate safety gear, including safety glasses and gloves.
  • Use the appropriate disc or attachment for the material and task at hand.
  • Start with a lower speed setting when working with delicate materials and gradually increase the speed as needed.
  • Take regular breaks to prevent overheating of the tool and ensure longevity.

Final Thoughts

Product Summary

The Milwaukee 2889-20 M18 4-1/2″ – / 5″ Variable Speed Braking Grinder (Bare Tool) is a versatile and reliable power tool that offers precision, efficiency, and safety. With its variable speed settings, braking system, and tool-free adjustments, this grinder is designed to tackle a wide range of tasks with ease. Whether you’re working on metal, masonry, wood, or automotive projects, this grinder provides the power and control you need to get the job done.

Final Recommendation

If you’re in the market for a high-quality grinder that offers exceptional performance and versatility, the Milwaukee 2889-20 M18 is an excellent choice. Invest in this tool, and you’ll have a reliable companion for all your cutting, grinding, and shaping needs. Enjoy greater control, enhanced safety, and increased efficiency with this top-notch grinder from Milwaukee.

Find your new Milwaukee 2889-20 M18 4-1/2 - / 5 Variable Speed Braking Grinder (Bare Tool) on this page.


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