TCT circular saw blades are the most commonly used wood products processing and cutting tools, carbide saw blade quality and closely related to the quality of the processed product. Reasonable right to choice of carbide saw blades to improve product quality, reduce cycle times, reduce processing costs is of great significance. TCT circular saw blades containing alloy cutter head types, the substrate material, diameter, tooth number, tooth shape, angle, thickness, diameter, and other parameters, these parameters determine the processing capacity of the saw blade and cutting performance. Select when sawing sawing material type, thickness, direction of cutting speed, cutting speed, feed, saw road width of correct selection of saw blades.