MANUFACTURING METHOD OF CAP FOR SCREW AND MANUFACTURED CAP FOR SCREW THEREOF

摘要

PURPOSE: A manufacturing method of a cap for a screw is provided to have a fine appearance and to prevent the corrosion. CONSTITUTION: The manufacturing method of a cap for a screw having a dome type unit which accepts a screw head of a screw for fixing a board to a wall of a building and a spacer connecting unit which is connected with a spacer inserted between the screw head and the board comprises the steps of:blanking a circular member from a metal board; molding the circular member to a hemispherical member; forming a cap for a screw by molding the hemispherical member to an upper dome type unit of maximum outer diameter(A) and a lower spacer connecting unit; and releasing the cap for a screw.