311.2mm , FSA537G , TRC Bit , Roller Cone Bit, TCI Bit, Medium Hard Formation , Oil Well Drilling Roller cone bit design goals Roller-cone bit design ...
12 1/4" FSA126 , Milled Tooth Bit, TRC Bit , Hard Facing on Shirttail , Shallow Oil Well Drilling Three cone bit principle features - Three cutting .....
311.2mm FSA124 , Rotary Drilling Bit , MT Bit , ST Bit , Tricone Bit , Sealed Roller Bearing RECOMMENDED DRILLING PARAMETERS FOR APPLICATION Types & ....