Best Circular Saw Ultimate Guide -2021

Circular saws are very useful tools for both professionals as well as for those who are into the DIY stuff. The best circular saw is small but very powerful and useful due to their ergonomic styles and efficient cutting performance.

This article is not going to be a review article but it has enough information for those who are new to circular saws. We have done our best to guide newbies about the circular saws. If you are here looking for reviews then you can read them on our review article about the best circular saws here.

You can read Our Best Circular Saw Cordless Reviews

Worm drive Best Circular Saw:

Best Circular Saw

Circular Saws that have worm drive gearing with a motor at the rear of the power tool is a ‘Worm Drive Circular Saw’. It is equipped with heavier and longer saw having a blade on the left side. The gears present in it are finely oriented at 45O to give it an easy and workable flow. The current quality available in the market has improved torque with a balanced blade speed.

Due to its lighter load, it is feasible for easy working in a remote job like in a boat or a plane. Its reduced weight of approximately 13.2 pounds and stable torque is due to the introduction of light-weight magnesium construction. Also, due to its magnesium construction, it provides longer tool life due to its effective heat dissipation.

A blade is provided at the left-side which helps in a clear line of sight and to ensure accurate cuts a rigid wobble is provided. Unlike conventional designs available in the market, it’s is four times durable as per independent testing. With a little addition of technological advancement, it is there to serve with more accuracy in cutting and constant flow of power due to which it lasts longer.  

As per the requirement, it comes with different gearing configurations having their strengths and needs. To fulfill their demands, the carpenters prefer a combination of different kinds of circular saws to work them out in different conditions.

Why does my circular saw keep stopping?

It is no less an annoying spectacle when you are working diligently and your circular saw keeps on stopping which kills all the excitement of the work. Now to properly fix the issue, you need to first find the reason why the circular saw keeps on stopping.

The usual causes which disrupt the smooth flow of work are:

  1. Blade
  2. Motor.

If the issue lies in the blade, first try tightening the blade. If the issues still don’t get resolved, then we’d recommend changing the circular saw blade.

One should prefer buying a good quality of circular saw as using a cheap one will result in the disruption of the work after quite some time putting us in the same bad situation in which we are currently in.

Occasionally while changing the old one and adding the new blade, one forgets to properly tighten the nut and channel its alignment. The usual safety measure is to tighten the nut and bolts properly so that it may not stop working after some time due to the loosening of the nuts. Also, do not forget to balance the alignment with the new ones as the alignment will be needed to be fixed due to the introduction of a new part other than the built-in one.

The second general cause lies in the poor working of the motor. So if your saw has stopped working then see whether the saw has died working or if the motor is creating some issues. The issue is usually accompanied in the four parts of the motor blade. 

1st check the blade if that’s the case then change the dull blade with a new quality one as discussed above.

Motor Brass:

Similarly, it’s possible that the motor brass present inside the working motor area has ruptured and needs changing. So if you are not sure about that then just open that part and check the motor brass. If the brass has worn out, then change it with a new one. It usually costs less so don’t worry about spending a huge amount of money on changing the brass


Likewise, as the process of working with Circular Saw involves cutting, so for smooth flow of work, the mooring gear requires grease. Every machine works well when you change the old tardy grease with a new one. So just open the motor gear part by removing the nuts in the gear shell and add fresh lithium geared greased lubricant. Now re-attach the nuts and bolts firmly. After that, it’s good to go.

Motor Arbor:

Last, but not the least, due to the constant cutting process of the blade, the nuts and bolts get ruptured and the blade gets wobbled. So better check that and change them so that they are ready to go with the smooth flow of work. Keep in mind that you should put the things the way they were attached as doing otherwise will disrupt working properly.

How deep can a circular saw cut?


The standard circular saws of 7 1/4-inch blades, which we recommend for use too, can cut a maximum depth of about 2-1/2 inches, but the depth can be adjusted by moving the blade up and down as per the need.

How much is the best Circular Saw?


One needs not to worry much about the prices of the circular saws as they seem to be pretty much within normal and affordable price range. The average price for a worm drive circular saw ranges from 150$ – 200$.

Who makes the best circular saw?

There are many companies who do their best when it comes to making circular saws. We have reviewed each one of these in our article for the best circular saws. If you are interested in that you can read it here. There is also a small buyer’s guide at the end of this article that makes it easy for beginners to select the best product.

Now in order to select the best among the best we have chosen the Milwaukee circular saw because of a number of reasons.

The best circular saw:

As per our in-depth research in which we checked and tested various circular saws, we have come to the conclusion that ‘Milwaukee’ makes the best circular saws. Our choice for the best product is ‘Milwaukee 6390-20 Tilt-Lok 15 Amp 7-1/4-Inch Circular Saw’ with Tilting Handle. The following specifications make it a unique one as the most revolutionary concept in the domain of circular saws.


Its price ranges within the bracket of 150$ – 200$ i.e. to be precise 179$. It is easily adjustable to comfortable work positions as per our angle of working. Despite having 15 amp and 3.25 peak horsepower motor, its weight of approx. 10.4 pounds makes it workable and easy to carry having remarkable and one of its kind power-to-weight ratio.


Similarly, the eight-positioned handle helps in easy to use working by helping in proper and comfortable grabbing of the product. Its helical steel gears and 22 switches are there to ensure the durability to its maximum extent. The cutting edge-technology helps is cutting through tough and sharp materials like headers, microalms, and wet piece of lumber with pretty ease.

Other technical specifications include:

  • Blade Size: 7-1/4 in.
  • No Load Speed: 5,800 RPM
  • Spindle: 5/8 in.
  • Spindle Lock
  • Soft Grip Handle
  • Adjustable Handle
  • Blade Position: Right
  • Depth of Cut at 90°: 2-7/16 in.
  • Depth of Cut at 45°: 1-13/16 in.
  • Depth of Cut at 50°: 1-11/16 in.
  • Length: 13-3/4 in.

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