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" found 2 Products from Changsha Tianhe Drilling Tools and Machinery Co.,Ltd., China

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DTH Bits(85MM-800MM)

DTH Bits(85MM-800MM)
high wear resistance and long life features. They can be widely applied in open-pit or underground mining,hydraulic engineering,oil and natural gas engineering,bridge engineering,construction ...

Dril Bits(3'-32

Dril Bits(3'-32
The Tianhe DTH drill bits are made from hard alloy and special steel, which have high strength, high wear resistance and long life features. They can be widely applied in open-pit or underground ...
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