How to Choose and Use a Circular Saw

The circular saw has become a necessary tool for all regular straight-cutting jobs. However, there are several types with almost distinct functionality. Faced with this embarrassment, how do you choose one that is suited to your needs?

How to Choose the Right Circular saw?

Choosing a good circular saw depends on several parameters. For this, before thinking about buying a circular saw, it is important to know its use. It is, therefore, necessary to take into account the frequency of use, the depth of the planned cuts, the power of the saw, and finally, the blade change system. Other complementary tools are often proposed, it is then necessary to study their use and utility.

Choice of Circular Saw Depends on its Use

  • Circular saw occasional use: it can be entry-level and must integrate a depth of 55 mm with 1050 and 1200 W; with a blade of flow as well as a finish in HSS with several materials according to the needs. Alternatively, the other alternative is an HSS finish with a tungsten carbide pellet.
  • Circular saw for regular use: Its minimum power must be 1200 W, it must have a tilting base, a guide rail, a tungsten carbide blade. It should be from a mid-range or semi-pro brand.
  • Circular saw intensive or professional use: a plunge circular saw with a minimum power of 1600 W small with a tilting base and a guide rail will be ideal for various jobs. Also, opt for a diamond or carbide blade and a speed variator. It is recommended to choose a pro brand.

However, the choice of the saw is not sufficient by itself because the saw is always accompanied by its blades, for this, in order to make a good choice, it is important to also choose the adequate blades.

Circular Saws of the movement

How to Select a circular saw blade?

Choosing your circular saw blade requires taking into account several elements because not all have the same characteristics.

The number of teeth: it affects the speed of the cut as well as the precision. Check on the packaging their number varies between 10 and 40. A blade with a lot of teeth is synonymous with sharpness. The tungsten carbide blades are more resistant.

The depth of the cut: it will depend on the diameter of the blade. The blades of 160; 185; 190 and 230 mm will respectively make the cuts of 55; 60; 65 and 85 mm deep.

The versatile blades: they allow you to easily cut materials of various materials.

The bore: is the hole that allows the fixing of the blade. You should choose a bore that matches your blade.

Types of Circular Saws

The standard circular saw: much more used for cuts on wood, this saw is held with two hands. It switches on or off using the handle located at the back. It allows straight cuts with depths that can be adjusted in advance, but these must not go beyond its depth of cut.

The plunge circular saw: this is a special saw that stands out from the classic saw thanks to its blade which is not fixed and allows you to descend gradually with the blade to reach the desired depth. It is protected by a cover and has an engine capable of turning the blade at 6000 revolutions per minute. She can start the cut in the middle.

Type of Saws other than circular saws

The miter saw: it is used to cut materials at an angle to create angles. There are radial and classic models.

The band saw: this table saw is a mechanical tool used for fretwork and edging of wood up to 200 mm thick.

The table saw: this stationary saw is usually installed on a table. It consists of a blade adjustable in height and very often exceeds the table. Depending on its weight, it can be either fixed or mobile.

Choosing a cordless circular saw: pros and cons


  • Should be very light and can notch and cut the wooden panel with precise depths, because it has long sharp teeth and always very sharp;
  • It does not risk causing you any incident or injury since each circular saw is fitted with safety measures;
  • Easy to handle and allows straight cuts to be made thanks in particular to its guide rail;
  • Fast and saves time. It is designed to adapt to various materials, but it is especially on wood that it shows its effectiveness by making medium cuts.

The inconvenient

  • Not all models are light, there are some that are heavier than average, weighing up to 20 kg;
  • After a little longer use, they are often not able to cut;
  • Opt for 2 additional batteries in addition to the original one, because it discharges very quickly;
  • They are not very ideal when it comes to curved cuts. In addition, they are less easy to handle, you will necessarily need to use a guide.

All about circular saws

How to adjust my circular saw before use?

A few manipulations are strongly recommended before using the circular saw. Cutting height and cutting angle are key points to check and adjust before use. To do this, simply use the clamping screw available at the back of the saw. This manipulation secures the saw and controls the cutting height. The saw base should then be tilted until the desired angle is obtained.

What you need for safety and comfort when using a circular saw

What are the rules to follow when using the circular saw?

In order to use the circular saw safely and for an optimal cut, it is recommended to follow a few steps. First of all, it must be ensured that the surface on which the cut is to be made is completely fixed, the vibrations may distort the cuts and present a major risk of injury. It is also necessary to make sure that the room is bright, ventilated and that the height of the cutting surface and easily accessible.

It is highly recommended to be comfortable while cutting. Now that the prerequisites are met, the cutting can begin. For more details during the cut, a guide is supplied with the saw, this guide is of great use to have straight cuts. Plots are also very profitable, but you have to take into account, for each plot, the height of the blade. Too great a height may not complete the cut and interfere with the cut. These latter precautions also apply to the band saw.

The main options present on circular saws are:

The mobile protection guard: it is this which protects you from the blade and allows you to avoid injuries during your work.

Rear Evacuation: Useful when it comes to evacuating cuttings as the cutting job continues, it also helps to see your countertop more clearly.

Connection to a vacuum cleaner: this will allow you to gradually evacuate the sawdust generated by the cutting for more cleanliness.

The Liner: allows you to view cutting lines.

The riving knife: prevents the part already cut from blocking the operation of the blade.

The adjustable sole depth: favors cutting at different thicknesses.

The speed variator: it adapts the speed according to the materials.

Blade Brake: Reduces stopping time to 3 seconds ideal for beginners.


Some Solutions for Regularly Problems / FAQ

  • Circular saw that smokes: check the blade used which must probably be unsuitable for the surface and replace it.
  • if a Circular saw that does not cut straight: Open the ruler to make it parallel to the blade or switch sides.
  • Solution for Circular saw that trips: check the capacitor which may be the cause due to its short life.
  • Get ride Circular saw blocking: the blade is dead or the wood is gripping the blade which blocks it.
  • Circular saw that turns backward: just reverse the wiring to go in the opposite direction.
  • Circular saw that makes sparks: take out the armature and clean each blade; then deburr the edges of the boards to restore the space between them.
  • What to do if Circular saw that heats up: the blade is mounted upside down as a result, overheats and burns the wood.
  • Circular saw whistling: the noise of the blade is normal, but if not, replace the blade with a new and identical one.

Conclusion – Advice from professional tools experts

So from all these answers, know that using a circular saw involves a lot of knowledge. In fact, apart from the manual of your circular saw, you will have to follow the opinions of several users who have different kinds of circular saws and even static saws at their disposal. So do not hesitate to ask your questions regarding any problem related to the use of your circular saw. However, avoid any attempt to replace the material that is not compatible with your saw, as this can prove to be a mishap for your lumber.

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