HeJian Rui Da Petroleum Materials Co.Ltd. -

HeJian Rui Da Petroleum Materials Co.Ltd.

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tungsten carbide 9 7/8 tci tricone rock bit
Specification: 3
Detail: Partial top spoon shaped inner row of teeth, the wedge outer row of teeth is not equidistant teeth, in the back cone tooth and the outer row of teeth between adds a row of trimming gear High compressive strength, hard and abr...

13 1/2'' tungsten carbide steel drilling bit size and price
Specification: 3"--26"
Detail: Partial top spoon shaped inner row of teeth, the wedge outer row of teeth is not equidistant teeth, in the back cone tooth and the outer row of teeth between adds a row of trimming gear High compressive strength, hard and abr...


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