Roll stand for rolling material has at least three rollers which are arranged basically at one plane and are supported on a shaft respectively, wherein shafts for supporting each of the rollers form angles of more than 0 degree and less than 180 degree with each other; each roller has an annular rolling surface, wherein the shape of the orifice is determined by each of the rolling surfaces together, and at least one of the rolling surfaces of the rollers has an invariable profile which has at least a flat section parallel to the axes line and a bevel angle section which forms an angle of morethan 0 degree and less than 180 degree with respect to the flat section, is connected to the flat section and extends outwards from the flat section with respect to the axes in the cross section of an axial plane.