Diamond cutting and drilling tools. As tiles become bigger and thicker it is important to use the right tools for drilling and cutting them to give that perfect finish. Mexco offers the solution producing diamond tipped drill range, wax filled drill bits that requires no water. Drill effortlessly into porcelain, ceramic tiles, stone tiles, stoneworks. Kitchen and bathroom fittings. Drill up to 50 holes in Grade 5 porcelain. Full range now in stock.