Best Circular Saw Blade Sharpener Reviews for Your Shop 2021

Our top overall pick is the Work Sharp Tool Sharpener that works on all types of wood tools. We like the dry, air-cooled system that forces more air through the machine. This keeps your tools cool and also stops them from warping and bending.

With the 1/5-horsepower motor, you get up to 580 revolutions every minute, but you can adjust the speed to work more efficiently. It features two grinding tools inside that you can replace with the grit that you need for your circular saw blades.

Key Features:

• 1/5-horsepower motor
• Dry and air-cooled system
• Four bevel angle settings
• 580 revolutions per minute

Pros:

• Lets you easily switch between two grits
• Compatible with accessories from Work Sharp
• Does not require any jigs
• Keeps blades from warping

Cons:

• Can damage some tools when you use the wrong settings
• May require multiple steps to sharpen dull tools

When money is no object, turn your attention to this knife sharpener from Hanchen, which works well on carbide blades and those made from most metals. It has two 80mm grinding wheels with a large center hole to help you set up the blade.

Weighing only 30 pounds, the sharpener is easy to put away and move when you need it for your blades. Hanchen added a solid base to keep the sharpener from shaking and included a one-year warranty.

Key Features:

• Diamond grinding wheels
• Angle range of 0 to 30 degrees
• 5,000 revolutions per minute
• 80mm grinding wheel

Pros:

• Rotates to help you reach each tooth
• Strong and solid base to stop the sharpener from vibrating
• Works on carbide blades and those made from other metals
  
• Includes a one-year warranty on all parts

Cons:

• High price
  
• A little tricky to use

At only 12 pounds, this Chicago sharpener is perfect for those who need to move their tools because you can easily drag it out as needed. The compact design reduces the storage space that it needs and lets you tuck it under your work table.

With a four-inch cutting diameter, it works best with smaller circular saw blades and may not accommodate all of your blades. It uses die-cast aluminum to extend its life and has a tilting design. You can both adjust and tilt the sharpener to make it work with your saw blades.

Key Features:

• Bade made from die-cast aluminum
• 4-inch cutting diameter
• Cast iron base
  
• Protective eyeshield

Pros:

• Tilts in different directions to sharpen all teeth
• Does not shake or vibrate
• Compact design helps you move the sharpener as needed
  
• Easy to use

Cons:

• Not large enough to accommodate all circular saw blades
• Takes a lot of time to set it up

The basic design of this circular saw blade sharpener makes it easy to use and set up the first time. With a universal design, it's compatible with saw blades from all manufacturers. It can accommodate any circular saw blade with an arbor of up to one inch.

You might like the tilting motor block that tilts up to 25 degrees in either direction, which helps you reach all the teeth on a blade. It also has a solid die-cast aluminum base that doesn't shake as you sharpen.

Key Features:

• 120V
• Emory and diamond wheels
• 25-degree tilting motor block
• Diet cast aluminum base

Pros:

• One of the more affordable circular saw blade sharpeners on the market
• Tilts to reach the angle of the blade's teeth
• Works on saw blades with arbors of up to one inch
  
• Weighs less than 12 pounds

Cons:

• Can damage some blades when used incorrectly
• Somewhat flimsy

Makita makes one of the top sharpeners for both standard and circular saw blades with the 98202. We like that this has a water feature that lets you use water as you sharpen. That liquid both keeps the blades cool and limits the metal shavings that come off.

The aluminum-oxide wheel has a 7-7/8-inch diameter and produces more than 500 revolutions per minute. Thanks to the sharpener's lightweight design, you can easily store and move it when needed.

Key Features:

• 560 revolutions per minute
• 7-7/8-inch wheel
• Water feed design
• Built-in blade holder

Pros:

• Keeps blades cool as you sharpen them
• Easy to move around your garage or shop
• Accommodates blades of more than 15 inches in length
  
• Includes both a grinding wheel and blade holder

Cons:

• Runs louder than other models do
  
• Hard to get the precise sharpness that you want