A basic metallic frame product made by sintering a metal injection molded product comprising a molded side wall to be provided as the basic metallic frame product after a sintering process and fixing means extending from one or both ends of the molded side wall in a longitudinal direction of the molded side wall to fix the molded side wall thereto, so that the molded side wall is prevented from shrinking in the longitudinal direction thereof during the sintering process, and cutting after the sintering process in such a way as to be removable from the molded side wall.