Circular saw: What is the best option in 2022?
we will talk about the best circular saw options and how to choose the most suitable model for you. Circular saw is an electric tool used mainly for working with wood. It has a disc, which makes the cut, and an electric motor, which makes the disc spin.
There are many models on the market and the price range is wide. To help you understand what is important to your project, we will explain the main differences.
In this guide, you will find the best models, prices, where to buy and, of course, know how to evaluate the characteristics of a great circular saw on your own. Come with us!
First, the most important
- Circular saws are used to cut wood for both furniture and civil construction.
- There are options for portable circular saws and bench. In the case of portable ones, some may have a battery.
- Circular saws have a starting price of around R $ 200. Models with more features and power have a price that can exceed R $ 2,000.
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Best circular saw models: Our recommendations
The circular saw is a tool used for cutting wood. If you are looking for the best model, you have arrived at the right place. Below, you can check the ranking with some of the best saws of this type in the market:
- Circular Saw 5007N – Makita
- Circular Saw GKS 65 – Bosch
- Serra Circular DWE575-BR – DeWalt
- Serra Circular 5200 – Skil
- Serra Circular SC 1100 – Hammer
There are many types of saw for working with wood. The circular saw is just one of them, ideal for straight type cutting. Want to learn more about a circular saw? In this Buying Guide you will find all the information you need to buy one with complete security.
What is a circular saw?
Circular saw is a saw with a rotating disk that is used to cut materials such as wood and, in some models, metals. The type of cut it makes is straight, but has the name circular due to the shape of the disc.
The main parts of the saw are the blade – which is responsible for making the cut – and the motor – which makes the blade rotate with sufficient speed and force for the cut to be made. They can be portable or bench top.
Bench-top circular saw
There are circular saws that are built to be in a workshop, with no possibility of transporting it easily to do the job. In these models the saw is fixed as if it were a piece of furniture. These saws are called circular bench or table saws.
The advantage of table models is that there are points of attachment of the saw on the bench, which makes it easier to make the cut.
In general, circular bench saws are more geared towards professional and intensive use than the others. They tend to have more resources and be more sophisticated. On the other hand, they tend to have higher initial prices.
Portable circular saw
The rest of the circular saws are called portable because they can be easily loaded into a toolbox.
The disadvantage of the portable saw is the need to provide a bench, with easels, slats or boards, for example, to be able to make the cut in the place where the circular saw is used.
What is the difference between the circular and jigsaw?
Depending on the job you intend to do, you may be in doubt between a circular saw or a jigsaw. In the jigsaw, there is no disc to cut, but there is a blade that moves back and forth to cut wood, aluminum or some metals.
The great advantage of the jigsaw is that it can be used to cut with details or with recesses, something that is impossible to do with a circular saw. In general, the circular saw is mainly used for straight cuts.
Another difference is that the jigsaw is usually aimed at more delicate objects, since the power in the engine of a jigsaw is usually lower – approximately half – than the power of a circular saw.
The circular saw is usually the most suitable option for carpentry and joinery. The jigsaw for work with more delicate and fine materials. Below we made a small comparison of the differences between the two:
Circular saw or marble saw?
In addition to the circular saw, there is another category of saws that have a cutting disc: the marble saw. This is a saw with a smaller, diamond-shaped disc, generally used on harder materials than those cut with a circular saw.
The marble saw can be used to cut bricks, floors, tiles, marble and even concrete.
Another difference is that the rotation of the marble saw is usually higher than that of the circular saw. This is one of the reasons why she is able to cut such hard materials.
It is possible to find circular saws starting at approximately R $ 250. These models usually have a cutting disk of 7 ¼ inches (18 cm) and power close to 1000 Watts. They are indicated for use with MDF, MPD and wood. Many models in this price range already have tilt adjustment.
If you intend to have a battery-powered circular saw, the most affordable options start in the range of R $ 1,000, with most models being in the range of R $ 2,000.
The most sophisticated portable circular saws have prices in the range of R $ 3,000 to R $ 5,000. Models in this category usually have battery power, brake and soft start. Some models in this price range are also used for metal cutting.
The circular bench saws have prices starting at approximately R $ 1,000. The most sophisticated models have prices that can exceed R $ 5,000.
Where to buy?
Circular saws can be found at hardware stores and also at home and construction stores.
If you are looking for a large number of options to choose your circular saw and do not have time to look in several stores, a very practical alternative is to buy your tools online, in the comfort of your home.
Examples of sites with a wide variety of circular saws are Amazon.
Purchasing criteria: Factors for comparing circular saw models
Although you have already learned a lot about this type of saw, we are not done here. Now we will detail the main points to note when describing a circular saw before defining which model is right for you:
- Cutting disk size
- Cutting angle adjustment
- Cutting depth
- Suction outlet
- Supply voltage
Check the importance of each factor below.
Cutting disk size
The size of the circular saw cutting disc is usually given in inches or centimeters. Remembering that each inch corresponds to 2.5 centimeters.
The most popular cutting disc diameter size is 7 ¼ inches, which corresponds to approximately 18 cm. This size is suitable for wood joinery, but can have several other applications.
There are also smaller saws on the market with a size of around 4 inches (10 cm). Another option is circular saws with a 9 ¼ cutting disc, which corresponds to approximately 23 cm. They are recommended for boards and large pieces, with a thickness of, for example, 15 cm.
The largest circular saw blades are 13 inches (32.5 cm) and 16 inches (40 cm) in size. In this case there are few options on the market, which can be found only in very specialized stores.
It is important to take care not to confuse the size of the disk with the dimensions of the circular saw. The total size of the circular saw does not depend only on the size of the cutting disc.
For the same disc size, you will find smaller and larger circular saws. This depends on factors such as engine power, size of the saw base and different adjustment features.
Although not a rule, in general, saws with a larger disc are more powerful and can cut thicker and harder materials than smaller ones.
The greater the power of the motor of a circular saw, the less the chance of the wood sticking. In general, the interlocking usually happens more easily in hard or very thick woods.
If you work with furniture and intend to use the circular saw to cut plywood and MDF, a circular saw with a power of 1,200 Watts is a good alternative and you will have no trouble making the cuts.
Models with power above 1,500 W are indicated for harder and thicker woods, such as solid wood. These models are also indicated in the wood used on roofs of houses.
We have prepared a table below with the main advantages and disadvantages when choosing a model with high power.
Cutting angle adjustment
The vast majority of circular saws allow you to choose the angle of inclination of the cut, usually up to 45 degrees.
This is possible thanks to an adjustment that allows you to choose whether to use any inclination or not on the cutting disc. There are usually predefined values that can be selected, such as 15, 30 and 45 degrees.
If you work with thick pieces (more than 5 cm), it is recommended to check the maximum depth of cut for the circular saw. If the material to be cut is thicker than this value, it will not be traversed by the cut.
The cutting disc should be a few millimeters beyond the thickness of the material to be cut. For example, if you are going to cut woods up to 3 cm thick, choose a circular saw with a depth of cut of at least 4 cm.
In general, a depth of cut of 8 cm is a value that will meet your needs even if you work with very thick woods.
A second point to note is that the depth of cut for a circular saw will be less if you make slanted cuts. For example, to cut a 3 cm wood with a 45 degree inclination, the saw will need to enter the wood around 4.5 cm. In this case, the depth of cut cannot be less than 5 cm.
When cutting wood and plywood, powder and bran are thrown on the wood and can cover the cut site. If you cannot see the cut line, you will need to stop work, remove excess dust and then continue.
To avoid the accumulation of dust on the material to be cut, some models of circular saw have blower, which helps to remove the dust as the cut is made.
Some circular saws direct all the dust produced to a specific outlet, where a vacuum cleaner can be connected. If you choose a model with this feature, you will prevent dust from spreading through the air.
The suction outlet is very useful if you work with wood products used in the construction of furniture, such as plywood, MDF and MDP. These materials produce a light powder that tends to spread through the air more easily than solid wood dust.
Although some circular saws have a suction outlet, the vacuum cleaner is not usually included and must be purchased separately.
Circular saw is another product that is usually sold in versions 110 and 220 Volts. Unfortunately there is no product on the market that is bivolt. Before closing your purchase, be sure to check if you are buying the correct option.
If you are going to use the saw both in places that are 110 V and another 220 V, you will need to use a 1,000 to 2,000 W transformer, depending on the power of the saw you choose.
Depending on your profile, an alternative may be to purchase a battery-powered circular saw. Many of them include bivolt battery charger. An additional facility is that the batteries can be removed and replaced easily, which allows you to work in places without electricity for long periods of time.
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