374.7mm FSA124G , Tooth Tricone Bit , Sealed Roller Bearing , Water Well Drilling , Vertical Well Drilling RECOMMENDED ROCK FORMATIONS Adapted to be ....
311.2mm FSA124 , Rotary Drilling Bit , MT Bit , ST Bit , Tricone Bit , Sealed Roller Bearing RECOMMENDED DRILLING PARAMETERS FOR APPLICATION Types & ....
12 1/4" FSA126 , Milled Tooth Bit, TRC Bit , Hard Facing on Shirttail , Shallow Oil Well Drilling Three cone bit principle features - Three cutting .....