... cutters for drill bits 2 Extremely high wear resistance 3 widely used for various drill bits SUPREME PDC cutters for oil ... blanks, PDC cutters for oil/gas drilling and mining bits, PCD/PCBN cutting insert, diamond micron powder ... Versatile in applications, SUPREME PDCTM is widely used for various drilling tools such as petroleum bits, mining ... to 3 mm. oil/gas drill bit use, PDC cutters for drill bits