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What is the best Rotary Saw in 2020?

Dewalt original rotary saw

If you are looking for a new addition to your toolbox or workshop, a rotary saw is an essential piece of kit.

Cutting through wood, or even harder materials, is a fundamental part of any home repairs, and more challenging tasks such as woodwork or metalwork may demand additional precision and reliability. You’ll find in this article how a rotary saw is a fantastic complementary tool for woodworking. However, be careful, rotary saw are usually confused with circular saw, which are very different types of saws (both from a conception and usage standpoint).

Note that most of the article will focus on the Dewalt original Rotary saw model (see after for some explanations).

What is a Rotary Saw?

A rotary saw is a hand cutting tool consisting of a toothed circular saw, mounted on a rotating axis or a sliding arm. First patented by DeWalt in the 1920s, it has become one of the essential tools in any professional workshop.

The main difference between a rotary saw and other hand saw types, is that the former can be applied directly to the surface. The rotary saw blade cuts the material with its spinning movement, and there is no need to make an initial hole with a different tool. This is for instance an ideal tool for drilling drywalls. It also uses spiral cut-out bits and it works well for deep and precise cuts in thicker material. It can do pluging as well as lateral cuts that are functional on tile, plywood or dry wood.

In some cases, a rotary saw can be used to cut different kinds of materials, such as ceramic tiles and metals. Some really powerful spiral saws even get through concrete, steel and other tough materials, as is the case of tools which are used in firefighter and rescue work. Rotary saws provide the durability and high cutting-blade speeds needed for the job.

Example of rotary saw use for Drywall cutting

Most (if not all) rotary saws currently in the market, both for home and industrial use, are power saws. An electric motor rotates the saw blades at more than 10000 rpm, to guarantee a smooth and continuous cut in any kind of material. This preserves the integrity of the saw blades and prevents frequent sharpening or costly blade replacements. Accessories are an integral part of rotary saws and help you accomplish your projects with a better surface finish. Trimming, polishing and engraving heads are some of the most common elements you can find in a rotary cutting toolset.

Our top pick – The original DEWALT (DW660) Rotary Saw

Top pick
Dewalt (DW660)

Original patented Rotary saw

Dewalt brand, the leader in this area

Anti-dust system

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This particular rotary tool is powered by a 5-ampere motor with 30,000 rotations per minute that make the tool efficient in operating its drywall bits and collets. The dw660 is a good option if you are looking to perform a range of cuts in a range of building materials.

It comes with 1/8 and 1/4 inch collets. It allows some versatility in different sized bits.

After prolonged use, the Dewalt user will not experience discomfort as the tool body is slim. The dust-sealed switch will not ingest dirt while working efficiently. The seal enhances the life of the tool.

One of the DW660’s most notable characteristics is it offers a tool-free bit changing system. You dont need a wrench to switch bits in as well as out. Primarily it may not seem much different. However, when you are busy with cutting large, drywall, thick pieces out such option will help you to change bits without having to move from your standing position which is really a big relief.

Note that Dewalt has set an international standards when creating this original rotary tool. As a consequence, accessories from other brands are compliant with it thanks to their standardized size.

The advanced version – DEWALT DCS551B 20V Max Drywall 

Top quality

Led light system

Proprietary grip system

Stronger motor than the original DW660

Buy now

This model takes most of its inspiration from the original DW660 model. Nevertheless, it comes at a cost, therefore you should only consider it in case you plan to have an extensive use, cut some very strong materials or work into very difficult conditions (you’ll see after that this model comes with a few comfortable extra features).

The DEWALT DCS551B features a 26,000 RPM motor that delivers fast cutting in drywall, acoustical ceiling tiles, plywood, etc. A tool-free bit change allows for fast & easy bit changing – without a wrench, and the dust-sealed switch protects against dust ingestion for longer tool life.

It also offers a bright LED light that illuminates dark work surfaces for accurate cutting. In addition, it is equipped with a dust-sealed switch protects against dust ingestion for longer tool life. Finally, it design and conception makes it super light and maneuverable.

Any alternative to the Dewalt Original Saw?

The electric hand saw market has experienced massive growth in recent years. In addition to the traditional American and European brands, cut out tools of Chinese origin took an important share of the market, satisfying the need for cheaper products of the average consumer. However, when choosing the right professional tool for your workshop, versatility and size should be at the top of your considerations. A Dremel rotary tool is a decent alternative to the Dewalt original model as it provides not only reliability due to its manufacturing quality, but it is also small and portable, so it can be stored anywhere around the house, your garage or the trunk of your car. It comes with a variety of accessories, usually between 20 and 25, which let you accomplish the most diverse tasks, from cutting holes in drywall to detailed metalwork.

Alternative pick
Dremel 4300

Comes with 5 attachments and 40 head accessories

Decent motor system (>35k RPM)

Provided with a suitcase

Buy now

Let’s be franck, appart from this Dremel model, we have not seen any other rotary saw that deserves to be presented. Most of other brands such as Populo, Ryobi, Rotozip, etc. are usually less accurate and definitely less long lasting. One piece of advice, don’t take any risk, the Dewalt & Dremel models are quite cheap, no need to look for alternatives!

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