1 steel core for TCT saw blade 2 Versatile function, for steel, wood. ... blade and the bearing part of the carbide tips, steel core for TCT saw blade is very important for the cutting ... steel cores have some types, such as standard one, laser cut silent, Multi cutters blades, wipper slots cores, etc..DIA.OF ... of material and the blades diamater and other factors. steel core for TCT saw blade