PURPOSE: An electric connector for a coaxial fine line for preventing the deformation of a plug connector by the impact according to the assembly of the plug connector is provided to reinforce the intensity of the shell about a plurality of reinforcing ribs. CONSTITUTION: An insert molding operation of a plug terminal(120) operates inside a connector housing(110). An upper housing shell and a lower housing shell are respectively combined in the top and bottom phase of the connector housing. A cam stick is connected in the bi end of the housing shell in order that the inserted state is kept against the socket connector. A plurality of reinforcing ribs is formed at predetermined interval in the upper housing shell.
