Cangzhou Great Drill Bits Co., Ltd. products

This line of impregnated nature diamond core bit is for very hard and abrasiveness formations,which has double cone crown profile and heavy diamond density.

Double cone  parabolic profile and medium cutter density,designed for coring the medium hard formation.Utilizing different patented PDC cutters enhance the bit’s ability to drill in hard formations. High quality TSP in the inner blade and PDC in the gauge has high wear-resistant for longer bit life. High strength body and cutters made the coring drill safety and more efficiency.

Which has a shallow parabolic profile and medium cutter density,designed for coring the medium hard formation.Utilizing different patented PDC cutters enhance the bit’s ability to drill in hard formations.
High quality TSP in the inner blade and gauge has high wear-resistant for longer bit life. The unique nozzle design improved the cleaning and cooling,enhanced the ability cuttings evacuation.