7 1/2 Inch 190MM Roller Cone Bit / Roller Cone Bit For Water Well Drilling Basical Parameter Bit Size 7 1/2"(200MM) IADC Code 537G Connection 4 1...
1200mm API blue Hdd trenchless bits/Hdd hole opener used for well drilling Commodity Size IADC Thread Connection WOB (Weight On Bit) RPM Formation 517 ...
Factory new sealed bearing oil well dril17 1/2inch 444.5mm Tci tri-cone bit rock roller bit tci tricone rotary drill bit Basical Parameter Bit Size 17 ...
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 ...
15 1/2INCH TCI ROCK BIT/tci tricone bit/rock auger bits buy direct from china Basical Parameter Bit Size 15 1/2mm IADC Code 537G Connection 7 5/8"...
133mm Iadc 537 TCI Tricone Bit Rock Roller Bit for water well drilling Basical Parameter Bit Size 133mm IADC Code 537G Connection 2 7/8"API reg ....