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Diamond Core Drill Bits for Stone Granite

Our stone diamond core drill bits for granite mostly, and suitable for drilling holes on other stones, like marble, limestone, basalt, etc. Core drill bits body are made of superior steel, manufactured by laser welded and high frequency welded technology.  The features of ChinShine diamond core drill bit are fast drilling speed, high efficiency. Diferent threads of connection end are available. Specifications are upon request.


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