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8 1/2'' tungsten carbide tipped drill for mining drilling

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Chuanda Drilling Machinery Co., Ltd.

8 1/2'' tungsten carbide tipped drill for mining drilling

8 1/2'' tungsten carbide tipped drill for mining drilling

1.TCI bits series: 1.Soft formation TCI tricone bits: The soft formation TCI tricone bits are used to drill low compressive strength, very soft formations. This bit maximized to use of both conical ...

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