a coaxial connector includes an outer conductive member including a board mounting portion and a main body portion ; an insulation member disposed in the outer conductive member ; a central conductive member supported with the insulation member ; and a metal member disposed in the outer conductive member below the insulation member . the metal member includes a through hole for retaining the central conductive member therein . the central conductive member is situated in the through hole away from an inner surface of the through hole by a first distance at an upper portion of the through hole . the central conductive member is situated in the through hole away from the inner surface of the through hole by a second distance at a lower portion of the through hole . the first distance is greater than the second distance .