Vermont American provides these helpful terms to aid you when selecting saw blades. Alternate Top Bevel (ATB)-for crosscutting,cuttoff and trimming Anti-kick: A shoulder design that is engineered to improve the ease of cut and reduce the effect of the saw blade kicking back due to overfeeding. Arbor: The saw motor shaft that rotates the saw blade. Often refered to as the mandrel. Bore: The arbor by which the saw blade is mounted on the saw. Available in various sizes. Bevel: Angles on a carbide tooth blade. Teeth can have a single bevel, double bevel or no bevel at all. Types of bevels can alternate from tooth to tooth on a given blade. The bevel is what gives the blade its specific cutting pattern. Chipper: A cutting tool that is placed between the outside blades of a dado set to adjust the width of the cut. Coating: Specially fomulated coatings that stays slick. Coating a blade reduces heat in two ways: It minimizes friction and binding and resists pitch and gum buildup. Combination saw blade: A blade used for both ripping (cutting with the grain of the wood) and crosscutting (cutting across the grain). Crosscut: To cut or saw against of the grain of the wood. Expansion slots: The spaces that allow a blade to expand as it heats up during cutting. It eliminates warpage by cooling the blade. Ferrous: Of or containing iron. Finishing saw blade: A saw blade with a higher tooth count to provide smoother cuts. Typically refers to 7-1/4" blades with more than 40 teeth and 10" blades with more than 60 teeth. Flat Top Grind(FTG)-best for ripping Framing saw blade: A carbide tipped blade used to make fast cuts in all types of wood. (The fastest cutting is achieved with lower tooth count saw blades.) Kerf: This is the width of a cut, including the steel plate thickness plus any overhang on a carbide blade. General purpose saw blade: A saw blade with a lower tooth count. Used primarily for fast crosscutting and ripping. Gullet: The space between teeth that clears the workpiece of chips after the cut. Grind: There are many types of tooth grinds, a few of the basic ones are: Alternating Top Bevel, Flat Tooth Grind and Triple Chip Grind. Hollow ground: A concave bevel edge on a tool. Hook angle: The "attack angle" of the teeth. Harder, more brittle materials need a shallower angle to ease pressure against the materials and reduce chip out. Softer materials require a sharper angle to reduce chip out. Miter: The process of cutting material for an equal angle joint. Nonferrous: Materials and metals not of or containing iron, such as aluminum, copper, brass and lead. Plate: The steel body of a carbide blade on which the teeth are welded. Ripping: The process of sawing a board in the direction of the grain of the board. Runout: The amount of left-to-right movement a saw blade makes during operation. Often referred to as wobble or warp. Stiffening collar: A flat collar that mounts on a saw's arbor directly next to the blade. It is used to make more accurate cuts and dampen the sound the saw generates. Tear-out: A condition in which the saw blade tears out the grain of a workpiece. Tempered: To bring the steel plate of a saw blade to a desired hardness by reheating and cooling. Thin kerf saw blade: A saw blade with a reduced kerf, or cut width. Triple Chip Grind (TCG)-perfect for hard,abrasive materials like non-ferrous metals, hard woods and plastics Tri-Grind (TRI)-combination grind Thanks to Vermont American. Vermont American is the world's largest manufacturer of circular saw blades. Our product selection is the widest range of high-quality circular saw blades available for use in portable, cordless and stationary saws. Saw blades are available in configurations for most applications, from general purpose blades to highly specialized designs. Everything depends on how much blade you want, and that's often a question of construction material and amount of use.
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