... Diamond 1.High wear ratio 2.Fine appearance and tolerance control Description:Thermal stable polycrystalline diamond, is produced by sintering diamond ... ,3*8,4*10,5*10,6*10, 6.3*3.3,6.5*3.3,8*3,10*2,10*3, etc. Application:Different TSP products with ... on the drill bits for oilfields. Thermal Stable Polycrystalline Diamond with Fine Tolerance Control