67kg Alloy Steel DTH Drill Bits For Rock Mining And Engineering CD85-280

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Changsha Chaojingang machinery manufacturing CO., Ltd

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67kg Alloy Steel DTH Drill Bits For Rock Mining And Engineering CD85-280

Contact Now

67kg Alloy Steel DTH Drill Bits For Rock Mining And Engineering CD85-280

67kg Alloy Steel DTH Drill Bits For Rock Mining And Engineering CD85-280 Description 1. Long life span: the wear-resist of tungsten carbides is 10-20 times higher compared with other similar materials...

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dth hammer bits

dth hammer button bits

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