CeramX - 6 mm are the highest quality diamond crown drills for dry drilling in all ceramic tiles and stoneware.The diamond in CeramX drills is applied by vacuum brazing technology, which increases their resistance to friction and high temperatures.The products we offer go through a meticulous selection process, so as to meet the expectations of the most demanding customers.Highest quality diamond core drill bits for dry drilling in all ceramic tiles and stoneware.Machine type:- angle grinder- drillApplication:for drilling precision holes:GresGraniteMarbleCeramicsConglomerateNatural stone.