... cutters etc Thermal Stable Polycrystalline diamond (TSP) can be manufactured into a variety of sizes and shapes (Cubes, Cylinders,Discs, Rectangles ... , Triangles, Spheres etc.) that can be inserted into cutting tools, drilling bits, reamers, wire drawing dies, and other ... and thermally stable up to 1,200°C for its insert binder (mainly Si). Its SiC has a similar coefficient ...