Top 5 Best Circular Saw Blade Sharpener Reviews of 2022

Circular Saw Blade Sharpener

After prolonged use, you will notice that your circular blade is not only blunt but also causes the motor to overwork. By sharpening the edges, the quality of cuts improves. Besides, you save money that you could have spent on expensive repairs or replacements. Here now is a review that will help you find the best circular saw blade sharpener.

Blunt saws are a disaster in waiting. The potential for injury is quite high, plus you end up with poorly cut pieces that are not worth your time. Fortunately, you can salvage all these by sharpening your saw blade. Shortly, you will come across a host of sharpeners designed just for this task.

You must get the blade ready for the best results by cleaning the teeth with a soft brush. After that, you then apply some jelly to the saw, which helps to soften the grime. Half an hour later, it would help if you clamped the blade before cleaning it using a wire brush.

Your blade is now ready for sharpening. The task is not only enjoyable but also artistic. It requires that you sharpen using forward strokes until each tooth shines as bright as the steel material.

Best Circular Saw Blade Sharpener Reviews

1.BestEquip Round Circular Saw Blade Grinder

The Round Circular Saw Blade Grinder is ideal for carbide tipped saw blades. It features a surround-shaped and adjustable palate for holding the saw in place. It also comes with a fascia that helps support saw blade teeth resulting in enhanced grinding quality. More so, it has a turntable for ease of feed angle adjustment.

With a running speed of 2850 rpm (rotations per minute), this equipment can sharpen super-hard blades with ease. Its grinding wheel has an adjustment angle of up to 20 degrees. Meanwhile, the handle has the flexibility of turning 30 degrees left and 40 degrees right. A position lock feature ensures that the equipment holds and locks your blade into position.

With the Round Circular Saw Blade Grinder, you can sharpen saw blades of sizes ranging from 80-700 mm. It has a 110 volts motor. Other than sharpening saw blades, the machine also serves as a grinder for aluminum alloy, wood, and plastic.

PROS (What we liked)
  • It does not vibrate during operation.
  • The motor runs on very low noise.
  • It is capable of sharpening blades of different sizes
CONS (What we didn’t like)
  • Requires setting up after unpacking from its delivery box
  • No instructions manual provided

2. Universal Circular Saw Blade Sharpener

The Universal Circular Saw Blade Sharpener has the capacity for blades ranging from 80mm and 700mm. Its motor requires a power supply of 120 volts. More so, it features die-cast aluminum at the base as well as on its indexing arm. Its motor block tilts 25 degrees in two directions, left and right. Such flexibility is critical in accommodating different configurations.

With such flexibility, the saw blade sharpener can accommodate numerous configurations of circular saw blades. The unit comes with a four-inch diamond wheel for sharpening saws with carbide tips. There is also a four-inch emery wheel designed for grinding steel-tipped saws.

The Universal Circular Saw Blade Sharpener is lightweight, which allows you to carry the unit with ease. This sharpening machine can attain a maximum speed of 3,800 rotations per minute. Moreover, you can use it to sharpen several blades in one session. It saves you time and gets more sharpening done.

PROS (What we liked)
  • Operating the equipment is easy.
  • It weighs 10.85 pounds, making it portable
  • Can sharpen two or more blades in one run
  • It comes with wheels for grinding carbide and steel tips
  • It features a tilt of 25 degrees for blade tooth adjustment
CONS (What we didn’t like)
  • It takes some time to set up the equipment.
  • The grinder loses accuracy

3. Chicago 120 Volt Circular Saw Blade Sharpener

The Chicago 120 Volt Circular Saw Blade Sharpener weighs 12 pounds making it highly portable. You can sharpen several blades at a go without breaking a sweat. More so, the machine’s motor block has a 25 degrees tilt allowance to accommodate blade configurations.

You can tilt to the left or right, depending on the tooth configurations you intend to achieve. It includes both diamond and emery wheels providing for the sharpening of carbide and steel-tipped saws. Depending on your preferences, you can utilize this equipment to sharpen multiple saw blades.

It runs on a 120 volts motor and comes with a diamond and emery wheel as accessories. The Chicago 120 Volt Circular Saw Blade Sharpener can attain a maximum speed of 3,800 rotations per minute (rpm). Also, it features a 90-day guarantee.

PROS (What we liked)
  • The sharpener does an incredible job.
  • It is both efficient and accurate.
  • Easy to set up and get ready for use, takes about 15 minutes
  • A versatile machine that can handle a wide range of blade sizes
CONS (What we didn’t like)
  • The initial setup is tedious.
  • Vague instructions with no guidance on setting up the equipment

4. Vevor Round Circular Saw Blade Grinder Machine

The Vevor Round Circular Saw Blade Grinder Machine comes fitted with water injection equipment. The setup features a water tank with a nozzle that drives water jets to the grinding wheel resulting in reduced friction. It has a running speed of 3,400 rpm and requires a power supply of 110 volts. Also, the saw blade sharpener has a turntable for adjustment of the cutting edge.

The fascia has sections that hold your saw blade teeth in place, resulting in quality grinding. Besides, a surround shaped pallet ensures a firm hold on saw blades. With a diameter of between 3.15’’ and 27.5’’, you are assured of sharpening different blades’ sizes.

Apart from steel tips, you can utilize this sharpener machine to grind other materials, including aluminum, wood, and plastic. An aluminum knob enables you to control the grinding wheel angle. These features make it the best circular saw blade sharpener so far. It also comes fully equipped with adjustment tighteners for handling different saw blade sizes.

PROS (What we liked)
  • The grinder motor operates noiselessly with no vibrations.
  • It features a turntable for adjustment of saw blade feed angles.
  • It has a fascia for holding saw blade teeth in place during grinding.
  • Its working diameter range enables it to accommodate numerous blade sizes
CONS (What we didn’t like)
  • The equipment’s mechanism is susceptible to rust.
  • Some components do not fit tight.

5. Techtongda Round Circular Saw Blade Sharpener

A notable feature of this sharpener is the water injection system. Grinding involves high friction, which could damage your saw blade. By injecting water into the grinding surface, you not only make grinding easy but also reduce damage. It requires a power output of 110 volts.

More so, the Techtongda Round Circular Saw Blade Sharpener’s fascia holds the saw blade’s teeth in position resulting in quality work. Other than sharpening steel, this machine can also grind aluminum, wood, and plastic. The sharpener can attain up to 2,850 rotations per minute.

Other than that, you have the benefit of a wide turning angle at 30 degrees to the left plus 45 degrees to the left. The angle tilt comes in handy when you have saw blades with different tooth configurations. This saw blade sharpener weighs 70 pounds, making it portable within the workshop or on work sites.

PROS (What we liked)
  • A water injection system that helps reduce blade wear during sharpening.
  • Multipurpose equipment that can also grind wood, aluminum, and plastic
  • High quality grinding courtesy of the fascia hold on saw blades
  • Flexible to accommodate different blade sizes
CONS (What we didn’t like)
  • It has a loose slide tolerance.
  • Low-quality material for equipment designed to withstand the toughness

Factors to consider while buying Circular Saw Blade Sharpener

Grinding Capacity

When working with round saws, the blade’s sharpness can differentiate mediocre and quality craftsmanship. Fortunately, a wide variety of sharpeners exist in the market. However, their grinding capacities differ.

Working Diameter

You must carefully evaluate your needs and compare them with what is on offer. Shoot for grinding equipment that has a large working diameter to accommodate different saw sizes. Also, check for power consumption. The machine should not consume much power. Otherwise, you will be lamenting at the high electricity bills.


Check for warranties from manufacturers. These come in handy when you need technical assistance or parts replacement. Try a few sellers and gauge their level of customer care. Their responses will speak volumes about the expected after-sales service once you buy from them.

Product Return Policy

About warranties, dig deeper and establish whether they apply to a replacement, servicing, or both. Moreover, inquire about return policies. You might need to return the equipment after purchase. If the seller does not support such, you could end up with a sharpener that you dislike.

Final Verdict

By keeping your circular saw blades sharp and clean, you can rest assured of a smooth workflow. Saw blade sharpeners are a must-have in every workshop. From the above review, you can attest that finding the right sharpening equipment calls for careful consideration.

We were much impressed by the Vevor Round Circular Saw Blade Grinder Machine. You will notice that it has an added feature in the form of water injection. With subsequent grinding, the wheel wears out. Fortunately, there is a piece of sharpening equipment with an ingenious way of ensuring it serves you for a long.

Besides, it consumes less power, at 110 volts, but yields a high speed of 3,400 rotations per minute. We are confident that this is the best circular saw blade sharpener.

Frequently Asked Questions

How to sharpen a circular saw blade?

First, you need to remove the blade. You can do this with a release switch or a wrench, depending on the model. Next, secure the cutting edge in a clamp, ensuring that the blade faces upwards. Do not clamp it too tight. Mark your starting point on the blade to help you know when you have sharpened all the teeth. Now take a file and start grinding using up and down strokes. You must hold the sharpening file at an angle of say 20 degrees from the blade for best results. Shift the blade and file the opposite side of the saw. Upon completion, release the clamp before installing the saw back to its mechanism.

Is it worth sharpening circular saw blades?

Yes, you need not discard circular saw blades that have gotten dull after use. Besides, sharpening costs are nothing compared to what you would pay for a replacement. However, if your judgment sharpening will not help, you can procure a new one. On the other hand, by sharpening circular saw blades, you extend their lifespan. The best circular saw blade sharpener only takes a few minutes to get the cutting tool ready for a task. If grinding manually, all you need is a file and a place to clamp the blade. As the above review shows, circular saw sharpeners exist to lessen the task.

How to sharpen a large circular saw blade by hand?

Ensure that you have a diamond file and a place to clamp the saw blade. You must remove the piece from the sawing machine. After that, secure the blade in a vice. It must be in an upright position with the teeth facing in your direction. Check the angling of the teeth. Usually, prongs tilt to the right and the left but in a structured manner. In that case, you must make file strokes accordingly, but you should finish one side first. To sharpen the blade, apply smooth strokes on the tooth. After, say, four strokes, inspect whether the edge is sharp. Once satisfied, move on to the next tooth.

How many times can you sharpen a saw blade?

You can sharpen a saw blade for up to five times. However, the number of times could vary depending on your expertise. Also, the blade type can determine whether it requires another treat or replacement. If you use cheap brands, expect to sharpen more often. If, after numerous sharpening sessions, you notice that the blade is still struggling, you may consider buying a new one. Besides, the nature of the tasks you subject your saw will determine its sharpening frequency. Rough cuts will wear your blades out quickly, meaning you must grind them repeatedly.