PDC Bi-Center Eccentric Bit that put forward by us is ideal to be used in different difficult drilling purposes. Having strength, robust construction and perfect pattern & design, this is capable of drilling boreholes into the earth. Also, it increases the diameter of wellholes in order to replace under reaming, to support control trouble areas, and for expandable tubular. Made of top of the line metal with technically advanced casting technique, the PDC Bi-Center Eccentric Bit varies in sizes and designs.