In-Depth Review: Milwaukee 6020-21 1/4-Sheet Orbital Sander


Milwaukee 6020-21 1-4-Sheet Orbital Sander
88 %

This Milwaukee 6020-21 1/4-Sheet Orbital Sander works for me primarily because it has a reliable power and speed that provided me with an excellent smooth finish, thus helping me achieve my desired outcome. Using it also gave me less vibration and feels comfortable especially on an extended use because of the ergonomically designed soft grip. The fact that it is very compact and solid assures that it will be a great service to me for a long time.

With this in mind, I feel that I should share my experience using it through this review and to hopefully give you some details and information before picking the best orbit sander for your needs.

We Like

  • Comes with a nice case
  • Excellent grip
  • Less vibration
  • Easy maintenance
  • Solid construction

We Don't Like

  • It can be hard to mount the paper
  • It can be quite noisy


I use orbital sander in refinishing our old furniture, which happens quite often and consistently. Through time and regular use makes the surface to be uneven and creates some swirls and marks. With a round of finishing touches, it is back to its brand new and polished look. To make this efficiently possible, a high-quality finishing orbit sander is necessary to make the job easy and fast.

I only rely only on the best that is why I prefer to use Milwaukee 6020-21 1/4-Sheet Orbital Sander because it has excellent power and speed that sure to guarantee a smooth and even finish. It is reliable to use in all my projects. Also, it is very easy to operate. I also appreciate the fact that it has the pad cushioning feature and ergonomic design that lessens vibration and fatigue. With it, I can work longer and barely complaining of hand strains. I have tried other models, yet I am just glad I had made a switch. 

Who Is It For?

The need for a good orbit sander cannot be ignored in order to achieve the smoothest and finest finishing in any task or project. Traditional methods are still widely used, however many have already realized the convenience and efficiency of using a power tool and the general advantages and benefits it can provide for an outstanding sanding experience and quality performance.

It is because of its power and speed that allows productive work resulting to best possible results. You can save a lot of your time, effort and money because it is quick and easy to use. Vibration is one huge concern using this machine, however, most of the models are built with an ergonomic design that helps minimize tremors and throbbing while using it. The most challenging thing about sanding is keeping the whole entire surface of your workpiece uniformly smooth. Maximum control is the key in order to achieve this. Sheet orbital sanders are engineered with precision and advanced features to gain consistency throughout the whole process. And the best thing about it is, you can accomplish that with less time and effort.

Therefore, it works perfectly well for experienced woodworkers, carpenters, and furniture builders and at the same time for beginners and hobbyist for both small time project and professional jobs.

Buyer's Guide

Benefits of Using a Sheet Orbital Sander

Using a sheet orbital sander definitely, makes our woodworking life easy and productive. Aside from providing us with excellent performance and desired polished and even finish in our projects and tasks, using a sheet orbital sander also has these following benefits.

  • Maximize your time

Using a sheet orbital sander allows you to finish the project in a timely manner, hence you can make use of your time doing other jobs and chores. It is equipped with advanced features and components that help improve your game by giving you convenience of use and high power and speed to be able to achieve your desired outcome with less time.

  • Easy to operate

Sheet orbital sanders are generally easy to use. Once the paper is inserted, you can start using it by moving it in a circular motion while it does its job smoothing the surface. It allows you to control and keep speed consistently for an even outcome. You don’t need to be an experienced skilled woodworker or constructor to be able to know how to make it work effectively.

  • Minimal Vibration and fatigue

Most of its models are built with an ergonomic design for comfortable use by reducing vibration and fatigue. This allows you to work for a longer period, thereby increasing the level of efficiency and productivity. This is also a good thing and highly beneficial for professionals who are operating with heavy duty and tough sanding jobs. It lessens the stress as well, thus allowing them to work better.

  • Less Effort

As compare to traditional sanding, using an orbit sander only requires lesser effort to operate but delivers the best possible outcome. You don’t need to shed a lot of sweat sanding for hours to achieve the uniform smooth surface because it is designed to provide you maximum control and power to achieve it.

  • Optimal results

It is built with advanced features that are engineered for a reliable performance to provide you the finest and smoothest surface for any applications and project at hand. It guarantees to remove any swirls, markings, and gouges on the entire surface.

Product Details

Milwaukee 6020-21 1-4-Sheet Orbital Sander


Durable and easy to use, Milwaukee 6020-21 1/4-Sheet Orbital Sander is the answer to your needs of having a powerful tool that can provide you with excellent smooth surface and high-quality work. It is equipped with plenty of power and speed for an efficient and reliable performance. It is compact and stable and comes with special features for added convenience. It is ideal to use in any applications for both small-scale home improvements and commissioned works. It is easy to operate as well.

Product Information

  • Item Weight: 7.5 pounds
  • Product Dimensions: 15.2 x 9.9 x 6.5 inches
  • Color: Red
  • Power Source: Corded electric
  • Included Components: Attachments
  • Batteries Included:NO

Features & Benefits

  • Powerful Motor

Powered by a 3.0-amp motor that works on a range of 14,000 orbits per minute, this orbit sander produces a reliable power and speed. It generally is efficient to use in both home DIY projects and professional work. The lightweight motor comes with a pad cushioning and breaks that reduce swirl marks and assures you of a smooth finish.

  • Ergonomic Design

This orbit sander is built with a tactile rubber top and a narrow sander body for convenience of use. It also features a soft grip to help minimize user vibration and fatigue. This is essential for a continuous operation and keeping hands and wrist safe to endure frequent use and long operations. And with its large paper clamp tabs, paper changes should be easy and effortless. It does not only assure you of a smooth outcome but a smooth operation as well.

  • Flexible Dust Collection

It has integrated vacuum ports that support 1 ¼-inch or 2 ¼-inch I.D. vacuum attachments. Furthermore, it comes with an in-line dust port with adjustable dust collection bag that can collect the maximum amount of dust and debris without compromising the site line. And for additional ease of use, a removable top is secured for easy service and brush replacement. This will keep your area clean the whole time with a clearer view of the workpiece.


  • It produces very little vibration
  • Great use of vacuum ports
  • It is made with a durable and solid construction
  • It has plenty of power and speed
  • It produces dependable speed and power


  • The sandpaper clamping system is not good
  • It can be too aggressive to use that may sometimes require a two-hand grip

Reviews / Testimonials

One way to know if the product is working outstandingly well is through reading about the feedback and comments of customers who have already experienced using it. This is a good basis if whether it performs as advertised and you can even learn about small details that are sometimes overlooked. The fact that there are many available orbit sanders in the market, it can’t be helped how each is built to be competitive to cater to the needs of the general consumers.

Overall this tool does a very good job in sanding with plenty of power to assure you of a smooth and even finish on your projects. It is well built and as some users would agree, it is solid and works effectively and efficiently, faster than most orbit sanders.

However, one common concern of most customers is the clamping system which is a huge downside as it is hard to maneuver making it difficult to change the sandpaper. It can be hard to a point where it tears the paper down while mounting it inside the tool. It may eat some of your time just by doing that single process alone. There are a few who mentioned that this orbit sander may be too aggressive to use. While it is a great thing, sometimes though, it can be clumsy that may require two hand grip to gain more control. It may be a concern for those who feels uncomfortable sanding with both hands.

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Alternative Choices

Considering options seem endless, we have also picked these following alternatives, which you may want to consider as well.

1) DeWalt D26441K 2.4-Amp ¼ Sheet Palm Grip Sander

Guaranteed to deliver superior smooth finish, DeWalt D26441K ¼ Sheet Palm Grip Sander is powered by a 2.4-amp motor at 14,000 OPM. It is designed with a 100 percent ball bearing construction for increased longevity.

It is made for your utmost comfort and convenience to ensure you ease of use and worthwhile sanding experience. It is built with a textured anti-slip top and body grip for added control and features a dual plane counter-balanced low-vibration design that promotes lesser fatigue. It comes with a high quality, large capacity dust bag with a built-in vacuum adapter for a maximum dust collection. Further, a dust-sealed switch can be found to protect it from dust ingestion for longer switch life.

2) Hitachi SV12SG 1.7-Amp Sheet Orbital Finishing Sander

Hitachi being known to pioneer innovated technologies that have improved the quality and caliber of craftsmanship worldwide introduces this orbital finishing sander that is built to give you complete user control. It is specially designed with a soft elastomer covered body for a comfortable and secure grip and in the process reduces vibration when sanding. Other features include a complete ball bearing construction for a smooth and precise operation, easy to use clamp system for a quick changing of sanding sheets, and a dust-sealed switch to help extend tool’s life.

It includes a reliable dust collection system that is efficient to reduce airborne particles. Weighing only 2.4 pounds and standing at about 5 3/8 inches high, its 1.7-amp motor provides 14,000 OPM in a 4 3/8 by 4-inch pad size for a fine and smooth finish.

3) Porter Cable 380 ¼ Sheet orbital Finish Sander

This orbital finish sander is made with a powerful 2.0-amp motor that delivers 13,500 orbits per minute to provide you with outstanding desired results. It is generally applied before coatings for fine finishing, removing all swirls and marks on the surface of wood, metal, or other kinds of materials. It is reliable in smoothening in corners to make sure all areas are being covered.

It is also designed for your comfort with a dual plane counter-balanced low-vibration design to reduce fatigue especially on long duration of sanding. It features a dust sealed switch to protect against dust ingestion and ensures an extended switch life.

4) Bosch GSS20-40 ¼ Sheet Orbital Finishing Sander

Bosch GSS20-40 ¼ Sheet Orbital Finishing Sander is durable and stable as it is built with a precision-machined aluminum sanding plate that promotes long tool life. It has a 2.0-amp power that produces up to 12,000 OPM that delivers efficient performance and even finish on all surfaces and applications. It is ideal for finish carpenters and other professional users.

It features a traditional sanding sheet clamp design for a reliable grip of one or more sanding sheets that even accepts stick-on paper. This orbital sander incorporates low-vibration engineering for your comfort and enhanced tool life. And to keep dust and debris at bay, it comes with a through-the-pad dust collection and microfilter dust canister with screw-off cap. Other components include flush sanding allowing you to sand the edges of vertical surfaces on three sides for a uniform finish on the whole workpiece and ergonomic soft grip top for increased control and comfort. 

Alternative Choices Comparison Table

Alternative Choices

Our Rating


DeWalt D26441K 2.4-Amp ¼ Sheet Palm Grip Sander

Hitachi SV12SG 1.7-Amp Sheet Orbital Finishing Sander

Porter Cable 380 ¼ Sheet orbital Finish Sander

Bosch GSS20-40 ¼ Sheet Orbital Finishing Sander

The Final Cut

When choosing for the best orbit sander, it is, therefore, important to look for both performance and convenience of use. While delivering your desired result is vital, overall experience using it should also one determining component, as it is also one factor that improves your efficiency and productivity.

Milwaukee 6020-21 1/4-Sheet Orbital Sander is not only durable and compact but is also built with a dependable speed and powerful performance. Most users would guarantee that it delivers optimal results with less effort and time spent. And in the process, offers you comfortable sanding operation for lesser fatigue and minimal vibration. Thus makes this orbit sander a promising option.

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