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PDC cutter drill bit is made of 45# steel and PDC cutters. Combining the advantages of the steel and PDC cutters makes the PDC bit widely used in coal mining and geological drilling.
TYDRILLBITS is one of the leading drill bits of coal mine and geological drilling hole manufacturers, established in 2008. Feel free to wholesale high-quality and cheap drill bits of coal mine and geological drilling holes from our factory here.
