Min. Order Reference FOB Price
1 Piece US$150.00-990.00 / Piece
Product Description
API standard 9 7/8" iadc517 tricone bit rock bits oil drill head for hard rock formation Product Description CSDRILL tricone bit used for geoloical prospecting,development of oil and gas,drilling water wells,blast holes and making holes for seismic prospecting,construction engineering.now there ...