1).TCT saw blade blank 2).Versatile function, for steel, wood, etc 3).Straight ... ).Long life As a part of the TCT saw blade and the bearing part of the carbide tips, TCT ... cutting quality and life of the Tungsten Carbide Tipped saw blade. The carbide insert is welded on the top of ... some types, such as standard one, laser cut silent, Multi cutters blades, wipper slots cores, etc..DIA.OF BLADEDIA. ...