Best Circular Saw Blade Sharpener - The Best 5 of 2020

Best Circular Saw Blade Sharpener of 2019

If you have ever worked with circular saws, I am sure you would appreciate the importance of saw blades. Your circular saw is as good as the blade and to keep it sharp you would need the best circular saw blade sharpener.  It is utmost important to keep your blade sharp since a blunt saw blade has been known to create wood splinters and in some some cases break and cause serious injury to the user.

In this article, we are going to be taking a look at the best circular saw blade sharpener and also cover the aspects which would enable you to make an informed buying decision!

Best Circular Saw Blade Sharpeners - 2020

First let’s take a look at the main features of the circular saw blade sharpeners and then we will go in depth about each one below.

1. 120 Volt Circular Saw Blade Sharpener

The 120 Volt Circular Saw Blade Sharpener is portable and allows you to sharpen multiple saw blades at a go. It is best suited for cutting diameters 3.5 to 15.5 inches. The general dimensions of the product are 9-1/2″ L x 13-3/4″ W x 11″ H.

Things We Liked

  • The titling angles for the motor block ranges from 25 degrees left and right to be able to accommodate the variety of tooth configurations. This is the go-to sharpener if you want it to be fast and easy to use.
  • A sturdy die-cast aluminum base makes it more reliable. The indexing arm consists of a 4 inch diamond wheel, 4 inch emery wheel with a six feet 18 gauge power cord motor.
  • The motor operates at 120V, 60 Hz with a power consumption of 140 watts. With 3800 rotations per minute the sharpener provides a decent coverage to be able to provide a good performance.

Things We Did Not Like

  • The cutting diameter is of a limited range as compared to contemporaries.
  • It can support the grinding of a limited range of material, you might want to choose another sharpener for a better material range.

2. VEVOR Round Circular Saw Blade Grinder Machine 110V

The VEVOR Round Circular Saw Blade Grinder Machine 110V 370W Rotary Angle Mill Sharpener 125mm Electric Saw Blade Sharpener Machine for Sharpening Carbide Tipped Saw Blades has an X Axis feed wheel which makes it a great option for those looking for a stable product that offers sharp grinding.

Things We Liked

  • It makes it extremely easy to adjust the angle of the turntable for an added sense of control. The teeth of the saw are well supported to avoid any cases of jumping or slipping while the grinding process takes place.
  • This might be the sharpener for you especially if you are looking to cut through some different kinds of materials including hard-alloy saw blades. It also accommodates the need to cut through and sharpen the blades with carbide tips and other sturdy materials like plastic, wood, aluminum alloys, etc.
  • It can operate across a maximum diameter of 700 mm. The running speed is very good with a stable co-operated diamond wheel.
  • The grinding wheel angle control is largely variable. It accommodates the sharpening of blades from diameters 80mm to 700mm.

Things We Did Not Like

  • It leads to an increase in power consumption as compared to contemporaries to be able to accommodate the additional features.
  • The wide range of functionalities can be cumbersome for those who are looking for a simple device.

3. Universal Circular Saw Blade Sharpener - 120 Volt

The Universal Circular Saw Blade Sharpener – 120 Volt – with diamond & emory wheels is a portable circular saw blade sharpener that facilitates multiple blades sharpening at once. With a speed of 3800 RPM the dimensions of the product stands to be 9.5 x 13.8 x 11 inches.

Things We Liked

  • The die cast aluminum base and indexing arm provide durability and make the device lightweight for an increased control.
  • The 25 degree motor block tilt configuration is great for different accommodating blades with different kinds of teeth. This is a great option for you if your work involves wood and metal cutting.
  • The 4 inch diamond wheel, 4 inch emery wheel along with the 6 feet 18 gauge power cord provides a great configuration for precision. It supports cutting diameters ranging from 3.5 inches to 15.75 inches. 

Things We Did Not Like

  • The cutting diameter is at a moderate range.
  • It accommodates only wood and metal grinding.

4. Techtongda Round Circular Saw Blade Sharpener

The Techtongda Round Circular Saw Blade Sharpener Water Grinder Grinding Machine has a special accommodation of a water box that aids in reducing the damage rendered to the grinding wheel.

Things We Liked

  • It also acts as a cooling agent for the high temperatures generated during the speedy grinding process.
  • The cutting diameter ranges from 80 mm to 700mm which provides a varied range for different blades.
  • It offers a compatibility to grind different kinds of materials including plastic, wood and aluminum alloy.
  • It supports the teeth of blades to prevent any jumping sparks that can be hazardous while improving the quality of grinding.

Things We Did Not Like

  • The running of the water box adds to extra wattage.
  • It provides a wide range of blade options which can be redundant for the price range if not required.

5. Mophorn Circular Saw Blade Sharpener

The Mophorn Circular Saw Blade Sharpener Rotary Angle Mill Grinding Sharpening Machine 125mm 370w Saw Blade Sharpener Machine for Carbide Tipped Saw Blade provides a cutting diameter of 700mm.

Things We Liked

  • The motor is especially equipped to render a high running speed along with precise working of the diamond wheel.
  • It provides two extra blade-hole adapters to accommodate different requirements.
  • It is highly flexible in its use providing precise sharpening for blades with carbide tips.
  • A large grinding wheel angle provides greater control and precision.
  • It has 16.8 x 16.8 x 13.9 inches dimensions and the sliding door add much convenience.

Things We Did Not Like

  • The power consumption is greater with added features.
  • The large grinding wheel can be unnecessary for certain use purposes.

Now that you have seen what we think to the circular saw blade sharpeners in this article, we will talk a bit about what you need to think about when buying a the sharpner:

Buying Guide for Circular Saw Blade Sharpener

Buying the correct sharpener for your circular blade saw can be a cumbersome task. This is because there are different kinds of sharpeners available in the market, each of which are suited to different needs for grinding and sharpening.

Let us start by trying to understand the different kinds of blade sharpeners that are available in the market.

Types of Circular Saw Blade Sharpeners


Manual sharpeners are the one that are operated entirely by hand. These are the most popularly available. The cheapest options will be available in terms of manual sharpeners. These are growing more obsolete with the kind of effort and time needed for their operation. These are not the best in terms of accuracy and speed with the traditional manual grinding.

Semi – supported

These include the sharpened that are mounted or supported by a bench. It is firmly secured and can use different pates to sharpen different types of blades. These are not preferred due to the cumbersome changes that need to be made with the different grinding wheels.


Electric bladed sharpeners are the most accurate and speedy available in the market. With fully automated features the level of control and accuracy for grinding increases strongly. Not only the results are more accurate but the outcome and device itself tends to be more long lasting that the other alternatives.

You need to consider your purpose for purchase before selecting the kind of blade sharpener for your need. It depends on the extent of accuracy you desire. If your grinding task is a one-time job or a small task you might benefit more from a manual sharpener. A semi- supported one can do well if you have a bunch of different sizes to deal with. These options, however, come with the obstacles to accuracy which are not a concern if you desire a moderate sharpening. Electric sharpeners are best suited for a top-notch quality of sharpening.

It has been observed that the use of an electric sharpener has been much more effective as compared to the manual ones. Not only are these longer lasting in terms of the sharpener itself but also provides more accurate sharpening and a longer life for the blade. In the context of this guide we will thus be discussing more about electric sharpeners. It can be interesting to understand the angles at which your device can work to be able to give better sharpening results. These features will eventually determine the accuracy and potential of your device and help you to choose the right one.

Once you have decided on the type if saw blade sharpener you want to go for you can more onto the other considerations that you need to make.

There are some features that you need to look out for while checking the compatibility of the sharpener with the blades that you are going to use it for.

Features to Look for in a Circular Saw Blade Sharpener


You need to check the size of the file on your sharpener. There are different files sizes available. A very small file size can be difficult to use for sharpening deep teeth whereas a very large size can cause them to become flat. The key is to stick to a moderate size depending on the size of your blade and its teeth.

Support Handle

The supporting handle on your sharpener can be an important access feature. Make sure the handle has a good grip and quality for an added sense of control for more power during the process of grinding.

Sharpening surface

The sharpening surface entails another important feature. Generic models use steel as the surface for sharpening. Many models include diamond wheels for an added level of precision in cutting harder materials. Analyze your purpose of use and thus narrow down the kind of sharpening surface that would be the most appropriate for you needs.

Supported sharpening angle

The accessible sharpening angle range can be important to obtain a better technique and increased accuracy while grinding. Understand the depth and gutters in the blade to know what angle range will give you the best results while sharpening.


Thus, you have a wide variety of options to choose from when looking for the best circular blade sharpener. We have stated above the best five competing in the market currently. There are many factors that you need to keep in mind while choosing from the features they offer. It can be a good idea to keep your budget in mind while choosing your gadget. From the assortment of products mentioned in the comparison, the VEVOR, Techtongda and Mophorn sharpeners are in a similar price range of above 200 dollars while the other two stand to be more budget friendly. Keep your needs in mind while making this choice as even though saving up money can be a benefit, it is important to invest in products that will be long lasting and dependable over the years. You also have to consider what material you want to sharpen which can narrow your choices down greatly along with the cutting diameter range required. Use our comprehensive buying guide to help you choose just the right circular blade sharpener for your use.

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