35mm Diamond Bevelling Chamfer Bits Milling Bit Enlarging Hole Saw Polishing M14. 6mm-125mm Dry Wet Diamond Drilling Core Bits M14 Porcelain Tile Hole Saw Cutter. 5pcs 6mm Diamond Core Drilling Bit Cut Porcelain Tile Marble Hole Saw Cutter. October 31, 2023 admin