tricone rock roller bits iadc 537 온라인 제조

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... 자세히보기

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 ... 자세히보기

Iadc 517/537 Tci Tricone Bit Wear Resisting Performance JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available ... 자세히보기

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