Water Well Drilling Roller Cone Bit / 9 1/2 Inch TCI Tricone Rock Roller Bits Basical Parameter Bit Size 9 1/2"(245MM) IADC Code 517G Connection 6 5/8...
Rectangular leg Single Roller Cone Bit 8 1/2" IADC 537 Core Barrel For Rotary Drilling Commodity Size IADC color WOB (Weight On Bit) RPM Formation 8 1...
API 15 1/2 Inch Roller Cone Bit With Standard Sealed Bearing Basical Parameter Bit Size 15 1/2mm IADC Code 537G Connection 7 5/8"API reg pin Nozzle .....
100% new 8 1/2''tricone three cone button tci tricone roller drill bit for oil natural gas Basical Parameter Bit Size 8 1/2"(215.9MM) IADC Code 547G ....