iadc 217 roller bit drilling অনলাইন উত্পাদন

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... আরো পড়ুন

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. ... আরো পড়ুন

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. ... আরো পড়ুন

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 ... আরো পড়ুন

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 ... আরো পড়ুন

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 ... আরো পড়ুন

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 ... আরো পড়ুন

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 ... আরো পড়ুন

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 ... আরো পড়ুন

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 ... আরো পড়ুন