HD25A DTH threaded button bits for High wear resistant high pressure

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Hunan New Diamond Construction Machinery Co., Ltd.

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HD25A DTH threaded button bits for High wear resistant high pressure

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HD25A DTH threaded button bits for High wear resistant high pressure

Description New diamond dive drill percussion features: 1. The latest rock drilling theory is used to design the internal structure size of the impactor, which makes the impactor get the best energy ...

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threaded button bits

button drill bit

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