Device for handling a shaft having an orifice emerging at its centre, said shaft forming a hollow shaft and said shaft forming a link between first and second parts, the device comprising: - a body extending along a longitudinal axis, configured to be inserted into the orifice, the body having a bore extending along the longitudinal axis, - a threaded rod inserted into the bore of the body and having first and second ends (36, 40), - a butterfly nut mounted to translate by screwing on the first end of the threaded rod along the longitudinal axis in a second direction, - an expandable clamping ring arranged on the second end of the threaded rod, and deformable under then action of the butterfly nut between a free position in which the body is movable in translation with respect to the shaft along the longitudinal axis and a deformed position in which the translation of the body with respect to the shaft along the longitudinal axis in a first direction opposite to the second direction is blocked, - a bearing member intended to be disposed against one of the first or second parts, characterized in that the body has a threaded outer portion, and in that the device comprises: - a compression nut screwed onto the threaded outer portion of the body along the longitudinal axis in the second direction, the compression nut comprising: - a washer that is movable in translation along the longitudinal axis and in rotation about the longitudinal axis, and comprising notches, and - a lock nut screwed onto the threaded portion of the body and comprising notches of a form complementing the form of the notches of the washer, the notches of the lock nut being configured to cooperate with the notches of the washer so as to block the translation of the washer on the longitudinal axis in the first direction, - return means disposed between the compression nut and the bearing member and configured to be compressed between the compression nut and the bearing member by the screwing of the compression nut and to decompress in the second direction under the action of the compression nut. - a body extending along a longitudinal axis, configured to be inserted into the orifice, the body having a bore extending along the longitudinal axis, - a threaded rod inserted into the bore of the body and having first and second ends (36, 40), - a butterfly nut mounted to translate by screwing on the first end of the threaded rod along the longitudinal axis in a second direction, - an expandable clamping ring arranged on the second end of the threaded rod, and deformable under then action of the butterfly nut between a free position in which the body is movable in translation with respect to the shaft along the longitudinal axis and a deformed position in which the translation of the body with respect to the shaft along the longitudinal axis in a first direction opposite to the second direction is blocked, - a bearing member intended to be disposed against one of the first or second parts, characterized in that the body has a threaded outer portion, and in that the device comprises: - a compression nut screwed onto the threaded outer portion of the body along the longitudinal axis in the second direction, the compression nut comprising: - a washer that is movable in translation along the longitudinal axis and in rotation about the longitudinal axis, and comprising notches, and - a lock nut screwed onto the threaded portion of the body and comprising notches of a form complementing the form of the notches of the washer, the notches of the lock nut being configured to cooperate with the notches of the washer so as to block the translation of the washer on the longitudinal axis in the first direction, - a washer that is movable in translation along the longitudinal axis and in rotation about the longitudinal axis, and comprising notches, and - a lock nut screwed onto the threaded portion of the body and comprising notches of a form complementing the form of the notches of the washer, the notches of the lock nut being configured to cooperate with the notches of the washer so as to block the translation of the washer on the longitudinal axis in the first direction, - return means disposed between the compression nut and the bearing member and configured to be compressed between the compression nut and the bearing member by the screwing of the compression nut and to decompress in the second direction under the action of the compression nut.