A steering column device, comprising: a male screw shaft member rotatably provided in one of a support section and a movable section, a male screw being formed along an axial direction in the male screw shaft member; and a female screw member provided in another of the support section and the movable section, the male screw shaft member being screwed to the female screw member, the female screw member and the male screw shaft member being configured to be moved relative to each other by rotation of the male screw shaft member, the movable section being configured to move relative to the support section, wherein the female screw member includes: a main body section provided in the other of the support section and the movable section; a fragile section provided on one side of the main body section in the axial direction of the male screw shaft member; and a screw engaging section provided on an opposite side of the fragile section from the main body section, and an adjust member screwed to the screw engaging section is provided, characterized in that a rigidity of the fragile section in the axial direction of the male screw shaft member is lower than rigidity of the main body section in the axial direction of the male screw shaft member so that the fragile section is extendable in the axial direction of the male screw shaft member when being pulled in the axial direction of the male screw shaft member, and in a state where the adjust member is screwed to the screw engaging section, a distal end portion of the adjust member presses the main body section and extends the fragile section in the axial direction of the male screw shaft member. a male screw shaft member rotatably provided in one of a support section and a movable section, a male screw being formed along an axial direction in the male screw shaft member; and a female screw member provided in another of the support section and the movable section, the male screw shaft member being screwed to the female screw member, the female screw member and the male screw shaft member being configured to be moved relative to each other by rotation of the male screw shaft member, the movable section being configured to move relative to the support section, wherein the female screw member includes: a main body section provided in the other of the support section and the movable section; a fragile section provided on one side of the main body section in the axial direction of the male screw shaft member; and a screw engaging section provided on an opposite side of the fragile section from the main body section, and a main body section provided in the other of the support section and the movable section; a fragile section provided on one side of the main body section in the axial direction of the male screw shaft member; and a screw engaging section provided on an opposite side of the fragile section from the main body section, and an adjust member screwed to the screw engaging section is provided, characterized in that a rigidity of the fragile section in the axial direction of the male screw shaft member is lower than rigidity of the main body section in the axial direction of the male screw shaft member so that the fragile section is extendable in the axial direction of the male screw shaft member when being pulled in the axial direction of the male screw shaft member, and in a state where the adjust member is screwed to the screw engaging section, a distal end portion of the adjust member presses the main body section and extends the fragile section in the axial direction of the male screw shaft member.