Thread T51 Under Reamers Hole Openers Bit DTH Drilling Tools 165mm Dia

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Hunan New Diamond Construction Machinery Co., Ltd.

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Thread T51 Under Reamers Hole Openers Bit DTH Drilling Tools 165mm Dia

Contact Now

Thread T51 Under Reamers Hole Openers Bit DTH Drilling Tools 165mm Dia

Description The use of high quality steel and hard alloy as raw materials, through a special heat treatment process, ball tooth bit can reach under the hardness strong rock excavation, and to reduce ...

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hole opener drilling

dth hole opener

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