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SOLLROC 4 Inch TD40 Marble Quarrying Rock Hammer DTH Button Drill Bits

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  • DTH equipment - Rock Drill Sales: Rock Drill Bits & On ...

    SC40-TD DTH hammer is proven by testing and using in many job sites with varies rock conditions. It is excellent performance for blasting hole for surface drilling in open-pit mines. Two kinds of drive chuck (for drill bit w ith footvalve or without footvalve) are available.

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