Punta per trapano diamantata 1/4" 6 mm sega piastrelle granito ceramica smerigliatrice angolare
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. Diamond Stained Glass Grinder Bit Vacuum Brazed Grinding Sanding Heads Glass.