Tipped on the carbide material with diamond called PCD(Polycrystalline Diamond), circular saw blades is widely used for its long products life. The product's life is 30 to 120 times as long as the one of the ordinary TCT circular saw blades. This merit of long life cycle make it possible to achieve high productivity and to reduce overhead cost in many work places like wooden floor, furniture,and other woodworking factories. Furthermore, PCD circular saw blades become essential more and more in Printed circuit board(PCB) companies. You can see this product with 3 D by clicking above picture.