... toughness 2,good wear ability 3,high penetration and high speed 4,OEM products 1, PDC is ... has a super wear resistance, good heat resistance and impact resistance. 3,It is mainly used in ... the tools applied in the field of petroleum bit, coalfield and geological drilling, etc. 4,Available size: ( ... series, Conical series, Wedge series. Other D*H and shape is available as per your request.Contact details ...