7” Variable Speed Polisher

Features

  • Cordless operation
  • Variable speed dial and trigger
  • Lock-on/lock-off switch
  • Compatible with all M18 REDLITHIUM batteries and chargers
  • Rubber overmold front housing to protect surfaces
  • Removable dust cover to protect motor and electronics

Specifications

Power Source Cordless
Motor Type Brushless
Length 19.8 inches
Weight 6.4 lbs with 5.0 Battery
Width 4.10 inches
Warranty 5 Year Limited Warranty
Polishing Rpm 0 - 2,200 RPM
Capacity 7 inches
Voltage 18V
Brushless Yes
Battery System M18

This tool is a cordless full-size rotary polisher designed to perform demanding polishing tasks without the limitations of a cord. It is optimized for use with M18 XC5.0 batteries, enabling users to complete a full-size car on one charge under moderate to good paint conditions.

Model Number: 2738-20

Milwaukee 7” Variable Speed Polisher Review

4.6 out of 5

As someone who has spent countless hours polishing cars, boats, and various surfaces, I was eager to see how the Milwaukee 7” Variable Speed Polisher would stack up against the corded models I've relied on for years. The promise of cutting the cord while maintaining power and efficiency was enticing, and I was ready to put this tool through its paces.

Design and Build Quality

The first thing that struck me about the Milwaukee polisher is its robust build. At 6.4 lbs with the battery, it has a good heft to it, giving it a solid feel without being overly cumbersome. The rubber overmold front housing is a thoughtful touch, designed to protect surfaces from accidental dings and scratches. Additionally, the removable dust cover is a handy feature that helps keep the motor and electronics clean, especially useful in dusty environments.

Performance and Power

Equipped with a brushless motor, this polisher boasts variable speeds ranging from 0 to 2,200 RPM. The speed stability is impressive; even under load, the polisher maintains consistent RPMs, which is crucial for achieving a uniform finish. The variable speed dial and trigger allow for precise control, making it easier to adjust on the fly depending on the task at hand.

One of the standout features is its cordless operation. Freed from the constraints of a power cord, I found it much easier to maneuver around large vehicles and boats. This cordless freedom is particularly beneficial in tight spaces or when working outdoors, where dragging a cord around can be a hassle.

Battery Life

Battery life is often a concern with cordless tools, and this polisher is no exception. When using the recommended M18 XC5.0 battery, I was able to complete a full-size car under moderate conditions on a single charge. However, for more demanding tasks, such as polishing heavily oxidized surfaces or large boats, you’ll need multiple batteries on hand. The 12.0 Ah battery offers extended run time, but even then, heavy-duty jobs will require frequent battery swaps.

Usability

The Milwaukee polisher is designed with user comfort in mind. The lock-on/lock-off switch is a great feature for extended use, allowing you to maintain a consistent speed without continuously holding down the trigger. The tool comes with both a U-handle and a side handle, providing flexibility in grip and control. I found the U-handle particularly useful for maintaining balance and reducing fatigue during prolonged sessions.

Versatility

This tool isn’t just for vehicles. I’ve used it for woodworking projects, including finishing countertops and deburring logs. The variable speed control is excellent for dialing in the precise effort needed for different materials and finishes. The polisher's compatibility with various attachments, such as Osborne brushes, expands its versatility even further.

Noise Level

One downside is the noise level. The polisher emits a high-pitched sound, especially at higher speeds, which can be quite jarring. I strongly recommend using ear protection when operating this tool for extended periods. While the noise is a minor inconvenience, it’s something to be aware of if you’re working in a noise-sensitive environment.

Value for Money

While the Milwaukee polisher is on the pricier side, especially when considering the cost of additional batteries and chargers, it offers a level of convenience and performance that justifies the investment. For professionals who need a reliable, powerful tool that can handle a variety of tasks, the cost is well worth it. However, for occasional users or those on a tight budget, a corded model might be a more economical choice.

Pros and Cons

Pros:
- Cordless operation offers unparalleled freedom and flexibility.
- Consistent speed stability under load.
- Variable speed dial and trigger for precise control.
- Robust build quality with protective features.
- Versatile for use on various materials and surfaces.

Cons:
- High noise level; ear protection is recommended.
- Battery life may require multiple batteries for heavy-duty tasks.
- Higher initial cost, especially with additional batteries.

Conclusion

After extensively using the Milwaukee 7” Variable Speed Polisher, I can confidently say it’s a game-changer for both professional detailers and serious DIY enthusiasts. The cordless operation alone makes it a standout, eliminating the hassle of managing cords while delivering consistent, reliable power. While the noise level and battery life are considerations, the overall performance and build quality make it a worthy addition to any toolkit.

Would I recommend this tool? Absolutely. If you’re looking for a high-quality polisher that offers the freedom of cordless operation without sacrificing power or performance, the Milwaukee 7” Variable Speed Polisher is an excellent choice. It’s a versatile, well-built tool that can handle a wide range of tasks, making it a valuable investment for anyone serious about their polishing work.


Project Ideas

Business

Mobile Car Detailing Service

Start a mobile car detailing service, offering customers the convenience of having their cars polished and detailed at their location. The cordless and variable speed features make it easy to work on different types of vehicles.


Furniture Restoration Business

Launch a business that specializes in restoring and refinishing old and antique furniture. Use the polisher to achieve a smooth, polished finish on wooden surfaces, making them look like new.


Professional Polishing Service

Offer professional polishing services for a variety of items including countertops, floors, and metal fixtures. The cordless feature allows for easy mobility and versatility in different environments.


Custom Auto Body Shop

Open a custom auto body shop that provides high-quality polishing and finishing services for cars. Use the polisher to achieve a perfect finish on custom paint jobs and bodywork.


Event and Venue Maintenance

Provide polishing and maintenance services for events and venues. This can include polishing floors, stages, and decorative elements to keep them looking pristine for events and gatherings.

Creative

Custom Painted Furniture

Use the polisher to achieve a smooth, professional finish on custom-painted furniture pieces. This could include repainting old furniture or creating new, unique designs on tables, chairs, and cabinets.


DIY Car Detailing

Utilize the polisher for personal car detailing projects. Achieve a showroom shine on your vehicle by polishing the exterior, applying wax, and buffing out minor scratches and imperfections.


Artistic Metal Sculptures

Create intricate metal sculptures and use the polisher to smooth and shine the metal surfaces. This can add a polished, professional look to your metal art pieces.


Restore Antique Items

Use the polisher to restore and revitalize antique items such as old clocks, lamps, and other decorative pieces. The variable speed allows for delicate handling of these valuable items.


Handmade Jewelry

Craft handmade jewelry and use the polisher to add a professional finish to metal and stone pieces. This can include polishing rings, bracelets, and necklaces to a high shine.