4pcs 20/25/35/50 mm Diamond Core Drilling Bits M14 Hole Saw for Porcelain Tile .

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. Dry Diamond Drilling Core Bits 6mm-75mm Hole Saw Cutter for Ceramic Tile M14.

eBay