Thermally Stable Polycrystalline (TSP) diamond characterised in high wear resistance,heat resistance,and high density structure It is thermally stable up to 1200 degree for its binder is chemically insert and has a similar coefficient of thermal expansion like that of diamond. .They are widely used in making drilling bits for petroleum and geology prospecting,and tools for diamond machinery processing.

Specification 1.5x1.5x3 ,1.5x1.5x5 ,2.5x2.5x2.5 ,5x5x5

,3x3x3x2.6 ,4x4x4x2.6 ,4x4x4x3 ,6.2x6.2x6.2x4.3

3x3x10xR1.5,10x10x3xR1.5,6.3x3.3x180，8x3，8x5