Results for8 5inch rotary tricone rock drill bitfrom 2 Products.
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Strong Brand Factory Wholesale 97/8inch 9.5inch IADC 637 Tricone Rock Drill Bit JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new ...
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8.5inch single cone rock roller drill bit for rotary drilling Product Description Size 140mm 8 1/2 inch roller core bits part Machine Type piling tool/ hole opener roller bit ...
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