How deep can a circular saw cut? See the circular saw cut depth for different size saws at various angles. Circular saws are some of the most common types of saws found both on job sites and in woodworking shops. The relative ease of use, versatility, and portability make the circular saw a popular device. It’s also relatively inexpensive for the number of different
cutting jobs it can perform. What follows are the most common size of circular saw blades and their normal depth of cut at a 90-degree angle as well as a 45-degree angle.
In theory, a circular blade should be able to cut to a depth equal to the radius of the blade minus the flange nut or arbor diameter, whichever is larger. However, in the case of circular saws, you should also consider the thickness of the footplate or base shoe and the safe distance. Besides, too much protrusion of the blade will result in severe kickback and is not safe. You also consider the angle of cut in the case of bevel cuts. Obviously, a 90-degree cut provides the maximum cut capacity while the 45-degree bevel will limit the thickness you cut through.  Pic: Dewalt 7 ¼″ Saw Cutting Bevel – See Details The same is true in case of a table saw, miter saw, and other similar power tools. 7 ¼″ Saw: How Deep Can a 7 ¼ Inch Circular Saw Cut?This is arguably the most common size for circular saw blades. The 7 ¼″ is large enough to handle most jobs while being small enough to be portable and lightweight.
6 ½″ Saw: How Thick Can a 6 1/2 Circular Saw Cut?Not far behind the 7 ¼″ circular blade is the 6 ½″ saw, at least in terms of popularity. While the blade itself is smaller, it also makes the circular saw lighter and somewhat easier to handle in comparison to larger blades.
8 ¼″ Circular SawThis is the most popular of the larger types of circular saw blades. These are usually worm drive circular saws since they offer more of the power and torque. However, it is also heavier and less nimble compared to the 7 ¼″.
5 ½″ Saw: How Deep Can a 5 1/2 Circular Saw Cut?The smallest of the more common types of circular saw blades, the 5 ½″ is mostly used in woodworking shops and in homes because of its lightweight design. It can also be used on job sites as well, although not quite as versatile as the larger versions.
Can You Cut a 2 x 4 with a 5 ½″ Circular Saw?Yes, but it will take more than one cut to do the job. That’s because there will still be ¼″ of the wood left after the first cut, so you will have to flip the board and cut again to go through the remaining material. All the other blades mentioned can go through the 2″ on a single cut. 8-inch and 9-inch SawsThese are not among the common sizes that you can find in your local tool store. However, they do exist and if you are buying online they are definitely an option. But before you buy any of the odd sizes check the availability of the blades. How deep can an 8-inch circular saw cut? The 9-inch saw can cut to a thickness of 3 ¼″ when cut straight and 2 1/8 -inches at an angle of 45-degrees. Circular Saw Depth AdjustmentKeep in mind that while circular saws are portable, they are also rather limited in terms of cuts compared to a jigsaw. A circular saw is designed to make straight cuts rather quickly, which includes both crosscuts and rip cuts. You can also make bevel cuts which is a great feature, although it may take a little practice to perfect. As the name implies, the blade itself is in the shape of a circle with the teeth jutting outward. The top of the blade is covered with a blade guard to protect against dust and debris from flying away from the material. A shoe or footplate is set around halfway down the blade and will rest on the material itself. This allows for the cuts to be made. Adjusting the Depth of the CutHow to adjust circular saw depth? You can adjust the depth of the cut by moving the footplate or base shoe. Unlock the footplate lever which is usually located behind the blade guard. Then lower or raise the footplate to get the required blade depth and lock the base in position. This allows you to work on different thicknesses of material without having to change the blades. However, the blade itself will determine the maximum thickness of the material which can be cut. There is also a bevel adjustment available on most circular saws for that type of work. Best Circular Saws to use on 2x4s and 4x4sEvery blade that is listed in the article, save for the 5 ½″, will easily cut through a 2 x 4. You will need a second pass for the 5 ½″ circular saw to successfully cut a 2 x 4. However, a 4 x 4 is too thick for most of the blades mentioned to cut in a single pass. Plus, it cannot be cut by the 5 ½″ diameter saw blade at all since the maximum depth of the blade is less than 2″. For cutting 2x4s, blades from 6 ½″ and up are recommended since you can cut the material in one pass. And the same size and above are recommended for cutting 4 x 4s, even if you need another pass to do the job. For most woodworkers, the standard 7 ¼″ blade is good enough for most of the work you will face. It can cut 2 x 4s in one pass and 4 x 4s in two passes. Plus, it is versatile enough to be used in many different situations, making it the jack-of-all-trades circular saw for the type of work that it performs. If you are looking for something smaller, but not too small, then the 6 ½″ blade is probably right for your needs. Worm Drive vs SidewinderThe most common type of circular saw is the Sidewinder. This device has the motor on the same axis as the blade. The motor moves the blade thanks to a shaft that extends outward and makes a solid connection. The result is a powerful saw that is relatively easy to maintain and use. The other type of circular saw is the worm drive which positions the motor at a right angle to the blade. This type of circular saw is designed for heavy-duty work as the gears used to drive the shaft which is connected to the blade add more torque. This type of circular saw tends to be longer and quieter compared to the Sidewinder and is generally used on construction or job sites. The larger 8 ¼″ is generally reserved for the more expensive worm drive systems of circular saws. If you are doing a lot of heavy work on a job site or woodworking shop, then the larger circular saw blade makes perfect sense. What Size Circular Saw to Cut 4×4?The actual size of a 4″ x 4″ lumber is 3 ½″ x 3 ½-inches. If you want to cut through a 4×4 in a single pass, use a 10 ¼ inch circular saw. Although this saw is heavy, it can be very handy in situations such as cutting the top of fence posts that are already installed. Largest Circular SawI am sure some of you are wondering what is the largest circular saw available in the market that offers the maximum depth of cut. Skilsaw and Makita make 16 5/16 inch circular saws that can go up to 6 ¼ inches deep. This means you can cut a 6×6 lumber in one cut which is some serious depth of cut!
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Home » Power Saws Can a 7 1 4 circular saw cut a 2x4?When power availability was a minor consideration, the standard portable circular saw blade was 7-1/4 inches in diameter. Why? Because it would easily cut through 2x4's at 90 degrees, but it would also easily cut through a 2x4 at a 45 degrees bevel.
How thick of a board can I cut with a circular saw?Circular saws fitted with standard 7 1/4-inch blades have a maximum cutting depth of about 2 1/2 inches (2 1/8 inches is typical for smaller-bladed cordless saws).
Can a 7 1 4 saw cut 4x4?Standard circular saws with 7 ¼” blades can only cut 2 ½” deep, so making the cut in a single pass isn't possible. That means you'll need to make multiple passes to cut clean through the 4×4, and this can result in a poor finish unless you take steps to ensure your cuts line up perfectly with each other.
How deep can a 8 1/4Because of the 8 1/4-inch blade's 2 7/8-inch cut depth, it's one pass from each side and you're through. If you're creating saddles in a 6x6 to support your beams on, one pass with an 8 1/4-inch saw crosscuts a shoulder, whereas with a 7 1/4-inch tool, you need to finish the cut with a reciprocating saw or a handsaw.
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How thick of a board can a 7 1 4 circular saw cut?
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