Thermal Stable Polycrystalline Diamond 1.High wear ratio 2.Fine tolerance control Description: Thermal stable polycrystalline diamond, is produced by sintering diamond ... , rectangles, sharps, cubes, etc. Rectangle:1.5*1.5*3.5,1.5*1.5*4,1.5*1.5*5,2*2*10,3 ... *6.2*6.2*4.3,etc.Cylinders:1.5*4,1.8*4,2*4,3*8,4*10, ... be applied on the drill bits for oilfields. Thermal Stable Polycrystalline Diamond Composites