An electrical connector of the present invention comprises a base, a cover slidably supported on the base, a ring insert molded in the cover, a cam box insert molded in the base, a cam actuator extending through the ring and the cam box, a metallic inserted plate, and a washer. The base has a plurality of passageways to retain a plurality of contacts therein. The cover has a plurality of holes to retain a plurality of pins of a PGA chip mounted thereon. The metallic inserted plate is insert molded in the base, and comprises a base portion and a pair of legs extending from the base portion. An elongated aperture is defined in the base portion for extension of the cam actuator therethrough. The aperture is located above the cam box and extends in a direction perpendicular to the direction of movement of the cover. In addition, a plurality of cavities are defined in the metallic inserted plate, and a plurality of corresponding bulges are formed on the base which holding the cavities and firmly fix the metallic inserted plate firmly to the base.