14 3 4 tricone rock bit オンライン製造

14 3/4inch IADC537 Tricone Roller Cone Bit For Water Well Drilling JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are ... 続きを読む

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14 3/4 inch 374mm iadc 437 tCI tricone rock roller drilling bits for oil gas and water well JSBIT tricone bits factory offers all kinds of tricone ... 続きを読む

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Product Description HDD rock hole opener 14" rock hole opener with tricone bit cutter for horizontal directional drilling Size 14inch type tungsten ... 続きを読む