2021 Q3 Toolbox Essentials
The Best Rotary Tools to Grind, Sand, Hone, and Polish

The Best Rotary Tools to Grind, Sand, Hone, and Polish

Whether you need to perform a DIY project at home or carry out major renovations in your home, it’s very useful to have a rotary tool on-hand. With such a tool, you can do different things such as polishing, grinding, cutting, and more. A rotary tool is compact, lightweight, and it usually comes with attachments for various purposes.

Aside from the versatility of rotary tools, they’re also high-speed and extremely portable. The best rotary tools are easy to use as well but choosing the right one requires a lot of consideration. If you’re looking for a versatile tool which you can use for various projects, then you’re in the right place.

Before exploring the market of rotary tools, you should first know where to start and what to look out for. Otherwise, you might end up spending a lot of time looking at different products. Later on, we’ll review some of the best products available now to narrow down your options. We’ve also come up with a short buying guide to help you out. Read on!

Features to consider in Good Rotary Tools

Ease of use

If the rotary tool you choose has this feature, you’ll be able to use it more effectively. When it comes to rotary tools, ease of use means that changing the accessories and bits is a simple and straightforward process. For convenience, don’t go for models which need a wrench or other types of tools just for attachment changes.

Instead, choose one which will allow you to change the bits with just a twist and a lock or something equally simple. This will save you time and effort while you work.

Corded or cordless

When choosing the best rotary tools, also check whether you want one that’s corded or cordless. With corded models, you need to plug them into an outlet, and this means that there’s some limitation in terms of the tool’s mobility and the venue where you may use it. But a lot of people prefer such models because they tend to provide a lot of power.

On the other hand, cordless rotary tools are battery-powered. This means that they’re highly portable and you may use them in different workspaces, even those which don’t have outlets. However, cordless models aren’t as powerful as their corded counterparts. They also need more maintenance in the sense that you have to keep changing the batteries to make sure that the tool keeps working well.


This is another feature to look out for when planning to purchase a rotary tool. In fact, this is one of the most important features especially if you work in different venues and workspaces. In such cases, cordless rotary tools are more useful as you can move around while working without having to worry about the cord getting unplugged.

Keep in mind though, that if you work with a cordless tool, you may have to bring along its charger or an extra set of batteries, especially if you plan to work for a long time. Also, think about whether you will work on a lot of heavy projects or you plan to focus on small-scale tasks. But if you only plan to use the tool at home, then you may go for a heavier tool which offers more power.


For those who need to use a rotary tool every day, then the best way to go is with an electric model. This will ensure that you have unlimited power and you will be able to use it for various applications even for cleaning, sanding, and cutting. But if you only need the tool for odd jobs or simple DIY projects, then you can consider a simpler one.

Your purpose for using the rotary tool is another thing to think about so you can get the most out of the product you choose. Also, the type of work can help you determine how much power you need.


Finally, also look at the rotary tool’s price tag. The best rotary tools come at various prices. Usually, the price would also determine the quality of the product. Of course, this doesn’t mean that you have to break the bank to purchase a great tool. There are some great choices for those who have a smaller budget too.

Sometimes, the price of the rotary tool would depend on its brand. The more well-known brands come with higher price ranges while the more obscure brands are more affordable. Think about how much you’re willing to spend on the rotary tool, and this may help narrow down your options.

Top 10 Best Rotary Tools 2021

1. Dremel 4000-2/30 120-Volt Variable Speed Rotary Tool Kit

Dremel 4000-2/30 120-Volt Variable Speed Rotary Tool Kit

Why we like it: This is one of the best rotary tools available thanks to all its amazing features. The Dremel 4000 has a variable speed up to 35,000 RPM. The features of its speed dial are easy to comprehend. It's a versatile tool since it's compatible with all types of Dremel attachments and accessories.

Editor’s Rating:

The Dremel 4000 comes with different accessories which means that you can use it for engraving or carving either hard or soft materials. It makes use of cutters with high speeds for different applications like slotting, grooving, shaping, and hollowing. With it, you can even make tapered holes in various materials.

The cutters of this tool are of tungsten carbide making them ideal for smoothing, shaping, and for material removal even on harder materials such as cast iron and stainless steel. You can also use this tool for cutting any material as long as you use the right accessory.

This tool provides superior performance as it can auto adjust the speed and power as needed. It has an EZ Twist feature and a nose cap wrench that’s already integrated to allow for quick changes of the accessories. The product itself comes with 2 attachments and 30 accessories from the same brand. It even comes with a carrying case for storage.

Easy to use
The Dremel 4000 has a 1.6-Amp motor along with variable speeds making it user-friendly and efficient. It comes with an attachment kit with 30 pieces and a flexible shaft that’s optional. The tool’s collet accepts various bit shanks, and the EZ Twist system makes bit-changing a breeze. It’s an all-around, lightweight tool which you can use even for long periods of time.


  • The tool has variable speeds, and the features of the speed dial are easy to understand.
  • It's compatible with all types of Dremel attachments and accessories.
  • Comes with 2 attachments, 30 accessories, and a convenient carrying case.
  • Has a grip zone of 360-degrees, so you can control it in various positions.


  • It's not ideal for everyday use.

2. Dremel 8220-1/28 12-Volt Max Cordless Rotary Tool

Dremel 8220-1/28 12-Volt Max Cordless Rotary Tool

Why we like it: This tool has a compact size and is lightweight so you can access tight spaces while minimizing fatigue. The Dremel 8220 is of high-quality materials to ensure durability. It has a quick collet lock which allows for fast changing of accessories and a 1-hour charger to reduce the tool's downtime. The tool even has a powerful motor meant for demanding tasks.

Editor’s Rating:

This cordless rotary tool has variable speeds. It offers superior performance and versatility. This Dremel 8220 rotary tool has a robust motor which facilitates optimum performance at all the possible speed levels. With it, you can use all types of Dremel attachments and accessories making it suitable for different kinds of applications.

Also, the tool has a slim and ergonomic body which provides you with a 360-degree zone for gripping and for controlling in any kind of position. It’s powered by a lithium-ion battery giving it a longer running time than the competition.

You can use this rotary tool for various applications thanks to its powerful motor and its compatibility with various accessories and attachments from the same brand. This means that you can use it for a wide range of applications and projects. The Dremel 8220 even comes with a lithium-ion battery, a fast charger, 28 different accessories, and a convenient carrying case.

For cutting, this rotary tool has a cut-off wheel made of reinforced fiberglass plus a multi-purpose cutting bit. The grinding stone and grinding wheel make it possible to perform sharpening and grinding with the tool. You can also use the Dremel 8220 for cleaning and polishing thanks to the polishing compound and the various polishing wheels. It also comes with a sanding drum and sanding bands for sanding applications.


  • Made of high-quality and durable materials.
  • You can change the accessories easily and quickly thanks to the collet lock.
  • The fast charger reduces the downtime while the motor allows for the most demanding applications.
  • Comes with a lot of accessories and a convenient carrying case for portability.


  • Some attachments don't fit into the tool's collet.

3. BLACK+DECKER RTX-B 3 Speed RTX Rotary Tool

BLACK+DECKER RTX-B 3 Speed RTX Rotary Tool

Why we like it: This is an imported rotary tool which allows for fast and easy changing of accessories thanks to the spindle lock system. With this feature, you don't have to hold down a button while making changes. The BLACK+DECKER RTX-B has a collet system that's universal making it compatible with all types of standard accessories for rotary tools.

Editor’s Rating:

You can easily and quickly perform various tasks using this rotary tool. It’s a convenient product which combines the versatility of its universal collet system and the power of its high-torque, robust motor. With the BLACK+DECKER RTX-B, you can sand, sharpen, carve, cut, and grind just like the pros!

This compact and lightweight tool has a comfortable handle for gripping. All of the tool’s features make it perfect for crafting or home improvement applications. It comes with 5 accessories, a user guide, a wrench, and even a storage bag for added convenience.

This rotary tool has a powerful motor which allows it to work with superior efficiency. Whether you use it for engraving a mirror, cleaning vintage furniture, polishing stones, and more, you’ll appreciate the torque and power provided by the motor. With the BLACK+DECKER RTX-B, you can perform your tasks quickly as it doesn’t get bogged down under loads.

Easy to use
Aside from the versatile collet system, this tool also comes with a flip-lock spindle which makes it easy to use. This feature allows for easy and quick accessory changes. The tool’s design offers superior performance to save you time. It has a comfortable design for reduced fatigue and improved control. The BLACK+DECKER RTX-B comes with overmolded grips so you can keep it balanced while working.


  • The exclusive spindle lock system makes it easy to change accessories.
  • Comes with a universal collet system making it compatible with standard accessories.
  • The powerful motor allows you to complete your tasks quickly and more efficiently.
  • Has 3 different speeds for maximum accuracy in various applications.


  • The flip-lock for tool removal might break if not handled correctly.

4. DEWALT DW660 Cut-Out 5 Amp 30,000 RPM Rotary Tool

DEWALT DW660 Cut-Out 5 Amp 30,000 RPM Rotary Tool

Why we like it: This is another imported rotary tool that comes with 2 kinds of collets and a bit for cutting drywall. The DEWALT DW660 has a turn-on and bump-off switch so you can shut it off easily. It has a 5-Amp motor that generates up to 30,000 RPM for increased cutting power. The slim design minimizes fatigue even if you use the tool for longer periods of time.

Editor’s Rating:

This rotary motor has the most powerful motor found in a cutout tool making it perfect for carpenters, electricians, and professional drywallers. With the DEWALT DW660, it’s protected from dust infiltration thanks to the sealed switch and motor. It also comes with a tool-free system for changing bits so you can make fast and easy changes.

This powerful tool runs smoothly with minimum vibration. You won’t have any trouble cutting and plunging through materials such as wood, drywall, and even tiles. Despite its size, it has a lot of power for you to perform various applications.

This is a versatile rotary tool that’s handy and lightweight too. All the features of the DEWALT DW660 make it an excellent investment for drywall contractors and DIY enthusiasts. The handiest feature of this tool is the bump-off switch which allows for quick shutdown when needed. It also has an effective and simple adjustment for the depth that’s tool-free.

The DEWALT DW660 is more than just a tool for cutting drywall. With the appropriate accessories, you can use it for cutting various materials such as laminate, plywood, tiles, and more. With the tool’s versatility and all its incredible features, it still comes at a reasonable price making it one of the best rotary tools on the market now.


  • An imported rotary tool that comes with a cutting bit for drywall and 2 collets.
  • You can shut this tool off easily thanks to the turn-on/bump-off switch.
  • The 5-Amp motor generates 30,000 RPM for enhanced cutting power.
  • Has a slim design to reduce fatigue even when you use it for longer periods of time.


  • Some customers have issues with the bit of the tool.

5. Makita 3706 Drywall Cutout 5 Amp 3,200 RPM Rotary Tool

Makita 3706 Drywall Cutout 5 Amp 3,200 RPM Rotary Tool

Why we like it: The Makita 3706 has a robust 5-Amp motor so you can use it to cut through various materials. The motor generates up to 32,000 RPM for faster cutting. It's a lightweight tool that you can handle easily even with prolonged use. It has a "Slide and Bump" power switch which goes 2-ways making it easy to use.

Editor’s Rating:

This rotary tool comes with a robust motor which provides superior power and efficiency. The tool accepts bits with 1/4 and 1/8-inch sizes. Its body has a slim design for accurate control and superior comfort. Despite its power, the Makita 3706 is a lightweight tool for better maneuverability. It also has a sealed switch which protects it from debris and dust to increase longevity.

Aside from its compact and lightweight design, this tool also has a well-built construction. This makes it ideal for cutting through different materials such as drywall. With the Makita 3706, you can make fast and precise cuts while handling it easily. It comes with a centrifugal fan that has vents to blow away debris and dust. Aside from the ergonomic design, it also has a comfortable grip to increase productivity.

The Makita 3706 has a tool-less adjustment for depth so you can set the cutting depth easily and quickly. It has a large shaft lock button that’s conveniently located for faster changing of bits. Also, the centrifugal fan is technologically advanced to cool the motor efficiently. The tool comes with a durable cord and a cord guard that’s 10-feet in length.

This sturdy tool comes with an all-ball bearing construction to create smoother rotation and reduce friction. It also has handy storage for the wrench right on the cord so you can keep your tools together.


  • The fan exhaust feature will vent the debris and air away from you.
  • Comes with a durable and long cord plus a cord guard.
  • It's a double-insulated tool that comes with storage of the wrench.
  • Has a 5-Amp motor that's powerful and generated up to 32,000 RPM for quick cutting of various materials.


  • It tends to come apart when dropped, so you have to be careful with it.

6. WEN 2305 Rotary Tool Kit

WEN 2305 Rotary Tool Kit

Why we like it: This tool is perfect for grinding, drilling, sanding, cutting, polishing, deburring, and more. It has a variable speed up to 30,000 RPM, and it even comes with a set of accessories which contains 100 pieces including mandrels, sanding discs, bits, and others. The WEN 2305 has a spindle lock that makes bit changes faster and easier.

Editor’s Rating:

The WEN 2305 combines power and versatility in one handy tool. With it, you can eliminate rust from metal objects, trim the toenails of your dog, engrave images into your windows, and more. This tool provides endless possibilities which are only limited by your own imagination. It comes with so many accessories that you can perform various applications on different materials. Since it’s lightweight, it’s easy to maneuver while working.

This rotary tool is one of the most flexible products you can buy. The WEN 2305 comes with a whole kit of accessories and a Flex Shaft which permits you more accuracy on the details of your projects. With this tool, you can remove burrs, shape, cut, sand, and more. It has a robust 1-Amp motor and variable speeds of 8,000 RPM to 30,000 RPM.

The double-insulated feature of this rotary tool makes it safe to use no matter what your project is. With all its accessories, all you have to do is attach what you need and start working. The tool also allows you to perform applications which require intricate precision and detail.

Handy extras
This is one of the best rotary tools because of all the accessories it has. Aside from all these, the WEN 2305 also comes with a convenient carrying case for storage and portability. We’ve also mentioned the Flex Shaft which provides maximum control and comfort while you work. This feature also minimizes vibration while maximizing the tool’s reach.


  • It's a versatile rotary tool with variable speed up to 30,000 RPM.
  • Comes with a whole set of accessories such as mandrels, bits, sanding discs, and more.
  • The onboard spindle lock allows for easy and quick changes.
  • Includes a flex shaft which you can attach if the job requires precision and intricate detail.


  • Some customers don't appreciate the fact that you can't return the tool if you run into any issues with it.

7. Proxxon 38481 Professional Rotary Tool

Proxxon 38481 Professional Rotary Tool

Why we like it: The Proxxon 38481 includes 6 high concentrically collets made of steel of varying sizes. It also comes with more than 30 cutters and bits of industrial-quality plus a storage case for convenience. The tool is perfect for engraving, cutting, grinding, cleaning, and polishing. It has a high-torque motor with full-wave electronic control for speed.

Editor’s Rating:

This features a motor, variable speeds, and a ball-bearing assembly which makes the tool more stable. The Proxxon 38481 is a professional-grade tool that’s highly functional making it perfect for hobbies or professional projects. It’s a lightweight rotary tool that can provide high torque even if you use low speeds. It works quietly, it’s well-balanced, and it comes with various accessories for your different projects.

This tool comes with electronic control for speed. It also has some handy accessories such as triple-slip collets made of steel, and others. It’s a versatile tool which you can also use for applications which require intricate and precise detail work like etching, engraving or carving.

Easy to use
The variable-speed motor of this tool makes it a multifunctional one. It runs from 5,000 RPM to 20,000 RPM, and it performs well even while using low speeds. You can use the low speed for applications such as cutting or brushing. Conversely, you can use the high speed for projects which require milling and grinding. Since the Proxxon 38481 is lightweight, you can use it for long periods of time without worrying about fatigue.

This rotary tool is one of the most powerful tools available on the market now. It has high concentrically collets made of steel and more than 30 accessories which make it multifunctional. The collets are finely-crafted which means that you don’t have to tighten them excessively. The power of the Proxxon 38481 comes from its 1/8 HP motor with variable speeds.


  • Includes collets made of steel, bits of industrial-quality, and a convenient storage case.
  • You can use this rotary tool for engraving, cutting, polishing, grinding, and cleaning.
  • The motor has a speed control that's full-wave and electronic.
  • It's a lightweight tool with a motor that generates up to 20,000 RPM.


  • It tends to come apart when dropped so you have to be careful with it.

8. Kawasaki 840589 190-Piece Rotary Tool Kit

Kawasaki 840589 190-Piece Rotary Tool Kit

Why we like it: This rotary tool comes from one of the well-known brands in the industry. It's made with high-quality standards and materials. The Kawasaki 840589 has a 1-Amp motor. Also, it had undergone testing for durability. It has variable speeds from 8,000 RPM to 30,000 RPM. The tool even comes with a wide range of attachments.

Editor’s Rating:

The Kawasaki 840589 is an entire kit that comes with the tool and a lot of accessories. All these make it an excellent investment. This is a highly versatile product which you can use for applications such as polishing, filing, drilling, engraving, carving, and so much more. The standout feature that makes this multifunctional is the variable speed function. The tool has a dial at the back for speed adjustment that’s very easy to use.

Easy to use
Speaking of ease of use, this is another feature of the Kawasaki 840589 that a lot of users appreciate. With this tool, you just have to choose the appropriate bit from all the choices then attach it. After that, you set the speed of the tool and start working, making sure that you apply just the right amount of pressure to your workpiece.

This kit comes with so many attachments and bits to make it exceptionally versatile. It’s a precise tool which allows for superior control thanks to its lightweight design. The compact size of this rotary tool makes it easier to handle and maneuver while working.

Aside from the basic accessories, the kit also comes with bits that have odd-shaped tips. In particular, you can use the diamond-coated bits for engraving or cutting harder materials such as glass, plastic, ceramic, metal, and gemstones. All the other shapes are suitable for all types of applications from channeling materials to drilling.


  • It's made with high-quality materials and standards.
  • It's a durable tool with a 1.0-Amp motor which generates up to 30,000 RPM.
  • Includes various attachments for cutting, sanding, polishing, and grinding.
  • Has variable speeds and it even comes with a convenient storage case.


  • The bits aren't very sturdy.

9. Hitachi GP10DL Cordless 12-Volt Peak Lithium-Ion Variable Speed Rotary Tool

Hitachi GP10DL Cordless 12-Volt Peak Lithium-Ion Variable Speed Rotary Tool

Why we like it: This rotary tool comes powered by a lithium-ion battery. This allows for a longer life. It makes the tool more lightweight. This feature also gives the tool steadier power levels. The Hitachi GP10DL has a dial so you can set the speed you need for the task at hand. It's a compact tool that you can use to access even the tightest spaces. The LED light that's already built-in allows you to work even in spaces with low light.

Editor’s Rating:

Easy to use
This rotary tool is the epitome of precision and user-friendliness. It has a slim handle with a soft-grip feature along with innovative technology for anti-vibration. These provide you with an overall feeling of control and comfort. The Hitachi GP10DL runs on lithium-ion batteries which have a battery life that’s 3x longer than others.

The tool gives a no-load speed up to 35,000 RPM that you can control using the dial for variable speeds. It even features an indicator light to warn you if the tool is already running low on energy.

This amazing tool’s battery only charges for about 40 minutes to minimize downtime. It has a grinder and a LED light that’s already built-in for enhanced visibility. The Hitachi GP10DL is a professional-grade tool that comes with a lifetime warranty and a 2-year warranty for its battery. It’s suitable for various applications such as fastening, drilling, metalwork, woodwork, concrete, and cutting.

Since the tool runs on batteries, this makes it lighter than other models. Also, the battery allows the tool to run for a longer time with steady power levels. The Hitachi GP10DL boasts a lot of convenient features from the speed dial, the LED light, and more. All of these in a compact and light rotary tool that’s easy to handle and work with.


  • The slim handle has a soft grip to reduce fatigue and increase comfort.
  • Has an indicator light which warns you if the runtime or battery is low.
  • Enhances productivity thanks to the 40-minute charge time.
  • Comes with a lifetime warranty for the tool and a 2-year warranty for the battery.


  • The shaft has a tendency to separate from the tool's motor.

10. Neiko 10657 Portable 120V Die Grinder Rotary Tool

Neiko 10657 Portable 120V Die Grinder Rotary Tool

Why we like it: This portable, handheld rotary tool has a mechanical and die collet lock chuck that's compatible with standard 1/8-inch router bits. This makes it suitable for a wide range of applications depending on the head you attach to it. The Neiko 10657 is a professional-quality tool which has a high variable speed up to 30,000 RPM.

Editor’s Rating:

This product includes the tool and a whole kit of accessories for various projects. You can use it for tasks like grinding, honing, sharpening, detailing, drilling, and so much more. The Neiko 10657 has a collet lock chuck that’s compatible with standard bits and doesn’t need a key for making changes.

It’s an industrial-grade tool that’s CUL and UL-approved. The tool comes with an electric motor so you can just plug it in and start working. You can adjust the speed of this tool up to 30,000 RPM which is faster and allows for more accuracy than other models.

Easy to use
The powerful 120V motor of this rotary tool allows you to use it even without an air compressor. It comes with a speed control with 6 stages so you can enjoy superior precision for all your applications. The Neiko 10657 comes with a flex hose so you can reach those narrow spaces and a vise stand that’s extendible.

Handy extras
The Neiko 10657 comes with a lot of handy extras for your projects. It includes 10 rotary bits made of abrasive stone plus various wheels, drums, and bits. Also, the kit comes with a flex hose, a vise stand, a wrench, a mini screwdriver, and a sharpening block. You can store the tool and all its accessories in the heavy-duty case that’s blow-molded and durable.


  • The mechanical and die collet lock chuck makes this tool compatible with any 1/8-inch router bits.
  • It's a professional-quality tool that's suitable for DIYers, professionals, and everyone in between.
  • Comes with various accessories including 10 abrasive rotary bits with different shapes.
  • It comes with a flex hose which you can use to reach those tough or narrow spaces.


  • It's quite heavy and large compared to other rotary tools.

Guide to Buying the Best Rotary Tools

There you have it, a review of the best rotary tools available on the market now. Choosing any one of these products will guarantee you a superior buy. But before you make your choice, there are some things you need to consider first. Let’s take a look:

What important factors should you consider when buying a rotary tool?


The power of a rotary tool is normally measured in volts or amps. For a very effective tool, opt for a model with a minimum of 1.6-Amps. When looking at the voltage, select a model with a minimum of 4.8 volts. Such a tool would be ideal for hobby or DIY projects. But if you need it for heavy-duty tasks, then choose one with at least 12 volts of power.


The tool’s weight will help determine whether it’s comfortable to use or not. If you plan to use the tool for long periods at a time, then choose a lightweight model over a heavy one. For rotary tools, it’s best to choose those which don’t weight more than 1.5 lbs as these are easier to maneuver, and they won’t cause fatigue.


When it comes to speed, consider the tool’s revolutions per minute or RPM. Some models only have a single speed while others have varied speed options. The latter would be the better choice as variable speeds make the rotary tool more versatile.

Practical features of rotary tools

There are also some practical features for you to look out for when choosing a rotary tool. Although these aren’t a must for some people, it’s handy to have these features especially if you’re willing to spend on the high-end or full-featured models.

Ergonomic design

The design and shape of the tool can go a long way especially in terms of reducing fatigue while you work. A rotary tool that has a contoured body and a comfortable grip will provide better balance for when you hold it.

Attachments and accessories

Most of the time, rotary tools are only as useful as the attachments, accessories, and bits that it comes with. If you want to use the tool for different purposes, then go for a model that includes a wide range of accessories. These attachments and accessories will make the tool more versatile too.


Rotary tools are highly versatile which makes them a must-have item in any home or office workshop. You can use this type of tool for various purposes from grinding, sanding, polishing, and more. But choosing the best rotary tools requires a lot of effort and consideration. To help you out, we’ve provided a buying guide and a review of the best products available on the market now.

The best rotary tool for you would depend on your own needs and preferences. From the brand of the tool, its size, your budget, and more, considering all the relevant factors will go a long way for you. Once you’ve chosen a rotary tool, you should also learn how to use it appropriately and maintain it so the tool will last for years to come.