There are different types of circular saws and different types of blades that can be used for an assortment of tasks. One of the best ways to learn which saw and blade are best for you to use or each different task, is to look online at a Circular Saw Review. Most reviews will give you information about the effectiveness of each saw and blade for many of the different tasks you may wish to perform but regardless of which saw and blade you choose to use, for safety, you should always wear goggles.
Although circular saws that connect to a mains outlet can provide you with uninterrupted power for long periods, it is sometimes necessary to use cordless saws either for working in confined spaces or at some of the more remote locations. The cordless saws rely on a battery pack for their power and although they are often more compact, allowing more flexible use than a corded saw; their limited power source does not make them suitable for full time use.
Apart from choosing a saw which has a cord or power pack, you also have a choice of saws depending on the task in hand. A Sidewinder saw is perhaps the most popular type in use today and this is probably because, as the motor and blade are in line, providing direct power to the blade, they can be used accurately and are often lighter than other circular saws. One advantage of a Worm Drive saw however, is that due to it providing power to the blade via a series of gears, it can generate more torque, making it more suitable for using with thicker or harder woods. A Trim Saw has the advantage of being smaller than the other saws and linked with their specialist blades which have smaller teeth, are more manoeuvrable and so ideal for creating a smooth finish to any task.
Of course, the blade that you use will also make a difference and so choosing the right blade for the task in hand is equally important. Plywood blades are the most commonly used blades and although they are effective for many tasks, as they do not have a protective coating on their steel composition; they may not be as durable as some other, more specialized blades. We have already mentioned the blades used with Trim Saws that have smaller teeth in order to provide a smoother finish but cross cutter blades also have smaller teeth than regular plywood blades. The Cross Cutter blades are specifically made to make cutting across the grain of the wood easier, providing better results. If though you intend to cut wood with the drain, a Ripping Blade with its larger teeth and resilient coating will complete the task quicker. Circular saws can also be used to cut bricks and concrete but if that is your intention, you should ensure that you use special masonry blades. These are only for use with masonry materials as they are thicker and have extra abrasive coatings added.