Min. Order Reference FOB Price
1 Piece US$12,000.00-15,000.00 / Piece
Product Description
16" PDC Bit for large aperture Oil Well Drilling Product Description Weifang Shengde's large borehole guide bit or one-opening bit adopts double rows of teeth, deepens the length of the inner cone, and lengthens the length of the retaining diameter, which prevents tilting during drilling and ...