6-120mm M14 Thread Hole Saw Drill Bit Diamond Core Bit For Porcelain Tile Marble

6mm-120mm M14 Dry Vacuum Brazed Diamond Drill Core Bits Drilling Hole Saw Tools For Tile Marble Granite Stone. Features: 1. Wide application for drilling tile ceramic granite marble stone. 3. Less Chipping, Minimizing breakage, less heat generation, Better finish quality 5.

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