kobalt circular saw blades
Like I said earlier it was old cheap and from Home Depot. Okay maybe we were pushing it a bit on the 6x6s but who doesnt push their tools to the limit of what they are supposed to be used for? Especially homeowners who typically dont have the large selection of tools that a contractor would have or dont always have the right tool for the job (the right tool for this job would have been a circular saw with a Prazi beamcutter attachment). After a bit of debate we decided to go with a corded circular saw or a Lithium Ion battery powered circular saw because we often go several weeks or months between projects. When we need to use the circular saw we want to use it now. Lithium Ion batteries have a long shelf life which means they will stay charged even if they sit on the shelf in your garage (in the cold) for several weeks. They are also extremely lightweight. So if we go cordless we will opt for the Lithium Ion battery powered circular saw. Makita makes a nice LiIon circular saw and you can get one with the purchase of their LXT700 18v LiIon combo kit. The LiIon circular saw included in the LXT700 kit has a 6-1/2 inch saw blade though not a 7-1/4 which is what we are looking for.
Carbide Blades - Will stay sharp longer than steel blades but more expensive. Tile Blades - Usually have diamond tip blades and are designed especially for cutting ceramic tile. Masonry Blades - These blades are made for cutting concrete brick cinder block and other masonry material. They are made of abrasive material. What to look for when buying a circular saw I would definitely look for a circular saw that accepts 7 1/4 blades. These are the most common blades; therefore making it easier to buy blades down the road. Also I would look for a saw with a long cord as you would be surprised how many cords are very short. You can always add an extension cord on but I would look for a cord that is at least 8 feet in length. Another primary item to look for is an adjustable base plate. This is good for making angle cuts and sometimes comes in very handy. Cordless Saws - Cordless saws are nice because they have no cords to plug in trip over or even cut through.
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A circular saw is a great tool and one of the most common tools in the workshop. It was invented in England back in 1780. The circular saw is also known as a buzz saw or commonly called the Skil saw even though Skil is a manufacturer that makes circular saws. With the right blade a circular saw is capable of cutting wood steel masonry and ceramic tile. Circular saws come in different sizes ranging from 3" to 16". The most common corded size is 7 1/4" and cordless is 5 3/8" & 6 1/2". There are two types of circular saws: IN-Line Saws and Worm Drive Saws. In-Line Saw - These are the most common types of circular saws and tend to be the least expensive. In addition they dont weigh as much as the Worm Drive saws. An In-line saws motor sits perpendicular to the blade and a shaft runs directly from the motor to drive the blade. An In-Line saw will suit most of your applications and except for changing the blades they are maintenance free. Worm Drive Saw - A worm drive is for heavy duty use and tends to cost a little more than the In-Line saws. A worm drive motor is positioned parallel with the blade and uses a gear to increase the torque transferred to the blade.
6. Cold saw: These make use of heat transfer to cut things in an easier manner. Generally cold saws are used for make metal roofing out of sheets. While there are many types and sizes of circular saws on the market I would like to discuss what I believe to be the three most important categories. They are: plunge saws with guide rails worm drive or hypoid saws for construction use and standard-drive circular saws suitable for both home and construction use. Before I delve into all of that however Id like to take a quick look at the basics. A circular saw allows you to take a relatively small tool to a large work piece and cut it without too much back-breaking labor. In the past the price for this convenience was inaccuracy because there was no really easy way to force a circular saw to cut straight along a pencil line. For rough construction work like roofing and decking this was no problem. For fine woodworking however the circular saw was not the tool of choice. Most woodworkers rely on the table saw to get the long straight cuts they need and for good reason. The fence on a table saw gives the constant reference point needed for straight cuts.