iadc 217 roller bit drilling ساخت آنلاین

Factory IADC537 311mm Tricone Rock Bit For Water Well Drilling IADC Recommended parameters Applicable strata WOB KN/mm Rotating speed r/min 116,117 0.35-0.8 150-80 Extremely soft formations with high compressiv... ادامه مطلب

8. 5inch 215.9mm IADC537 Tricone Rock Bit For Water Oil Well Drilling 1)Rubber sealed Bearing Structure High precision journal bearing with two thrust faces. Ball locked cone. Hardfaced head bearing surface. ... ادامه مطلب

8. 5inch 215.9mm IADC537 Tricone Rock Bit For Water Oil Well Drilling 1)Rubber sealed Bearing Structure High precision journal bearing with two thrust faces. Ball locked cone. Hardfaced head bearing surface. ... ادامه مطلب

CHINA Strong Brand Factory Wholesale 12" Inch 12 1/2"Inch 12 1/4 " Inch IADC 537 TCI Tricone Bit JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used ... ادامه مطلب

JSBIT factory 17.5inch 444.5mm iadc 517 TCI tricone rock drill bit for hard rock drilling JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone ... ادامه مطلب

JSBIT factory 482.6mm iadc 537 TCI tricone rock drill bit JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel tooth and tungsten ... ادامه مطلب

Strong brand wholesale 8.5" inch 8 1/2"i nch IADC537 TCI tricone rock drill bit JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel ... ادامه مطلب

Factory Wholesale 143/4 Inch IADC 517 TCI Tricone Bit For Water Well Drilling JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel ... ادامه مطلب

JSBIT factory 19inch iadc 537 TCI tricone rock drill bit for water/oil field JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel ... ادامه مطلب

250mm open bearing tricone drill bit for mine coal and gas driling JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel tooth and ... ادامه مطلب