Min. Order Reference FOB Price
1 Piece US$775.00-852.50 / Piece
Product Description
MRE Overburden Concentric Reaming Casing Drilling System Bit for Well Drilling Product Description Working principle: At clockwise condition, reamer bit expanded to bring the casing tube into hole. After finished, reamer bit closed anticlockwise and then can be lift up by the drilling machines. ...