Punta diamantata 28-68 mm 5/8-11 trapano taglierina porcellana ceramica granito
Diamond Tile Drill Bit Set 12pcs Chamfer Bit Hole Saw Set for Porcelain Ceramic. 10pcs 1/4" Dry Diamond Drill Bit Set Hole Saw for Granite Masonry Marble Tile. 20-100mm 5/8-11 Welded Diamond Drilling Core Bits Hole Saw Cut Granite Marble.