Majority of plastics ,Copper, aluminum, iron, jade and other hard materials engraving and cutting fne,Acrylic, PVC, Nylon, Resin, Wood, Plywood, Hardwood, Fibre glass, marble, etc. Shank: 6.35mm. 6mm-100mm Diamond Hole Saw Cutter Drill Bit Set for Tile Glass Ceramic Marble.
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