Choosing the right blade for cutting porcelain tile is one of the great determinants of getting a professional look when doing the work. For Professional tile setters, proper selection of the blade insures smooth cutting, minimal or no cutting of the tile material and high productivity.Choosing the right blade for cutting porcelain tile is one of the great determinants of getting a professional look when doing the work. For Professional tile setters, proper selection of the blade insures smooth cutting, minimal or no cutting of the tile material and high productivity.