Strictly speaking there’s a third: hypoid drive. There are two ways the power of a circular saw is transmitted to the blade: sidewinder and worm drive. Generally speaking, manufacturers do a good job of matching speed to power output, so it’s rarely an issue. As a result, many saw makers don’t quote them. However, speeds quoted are invariably no-load speeds (in other words when the saw is not cutting), so they aren’t always an accurate reflection of performance. Compact tools might be as low as 4 amps.īlade speed can be a useful measure in that a blade that’s turning faster will in theory cut more quickly. Models aimed at the occasional DIY user might have slightly less powerful motors of around 13 amps. The maximum power of almost all corded circular saw motors is 15 amps, and it’s the most that can be supplied by a standard household outlet. The amp rating is usually a good indication of performance and thus the kind of work the saw is intended for. There are special blades for cutting sheet metals like aluminum, and diamond-tipped blades can saw through tile or concrete. More teeth give a smoother cut and are often used for hardwoods. However, a wide variety of different blades are available and can be worth investigating for different jobs. They are good for all kinds of general-purpose sawing, particularly with the kind of lumber used for remodeling or building work. It’s common for standard 7¼-inch saws to be supplied with an 18- or 24-tooth blade with durable tungsten-carbide-tipped teeth.
The number of teeth and the blade material will also have an impact. For most users, it’s also important to check the depth of cut when the blade is at 45 degrees, a common angle to cut bevels. Look for the depth of cut with the blade at 90 degrees, which will be the absolute maximum. It is important to study specifications carefully as two saws with the same blade size often differ here. A 7¼-inch blade is common among general-purpose models, but they go to over 10 inches on heavy-duty circular saws and can be less than 4 inches on compact models.ĭepth of cut is one of the main factors in choosing the best corded circular saw for a particular task. Blade Size and TypesĬircular saws are generally rated by their blade size.
The following technical aspects are important in narrowing down your choice. Strictly speaking, table saws are also circular saws, but this article will concentrate on handheld models. In addition to the wide range of “standard” tools, there are highly maneuverable compact models and high-performance heavy-duty saws. Those shopping for a corded circular saw for the workshop will find tremendous variety. Photo: What to Consider When Choosing the Best Corded Circular Saw
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The following article delves into all the important details in order to help you make the right buying decision. While cordless tools continue to grow in popularity, the best corded circular saws often offer the optimum combination of performance and value.
A closer look at the full range of circular saws reveals some interesting options. The latter is invaluable for general workshop use, remodeling, and job site tasks, but the choice is much wider than many might assume. Both keen DIY woodworkers and professionals have numerous different saws to choose from, but without a doubt the two most versatile are the jigsaw and the handheld circular saw.