Powder transport member, and powder transport apparatus and powder processing apparatus including powder transport member

A powder transport member includes a rotation shaft, a spiral wire; and holding parts disposed near opposite ends of the rotation shaft, wherein one end portion of the spiral wire includes a terminal end circular arc portion formed in a circular arc shape, and the holding part configured to hold the one end portion of the spiral wire includes protrusions of a paired configuration at symmetrical positions with the center of the rotation shaft being interposed therebetween, a concave portion configured to accommodate an inner peripheral surface of the terminal end circular arc portion is formed at a protruding end portion of each of the protrusions, and a size of the protruding end portion of the protrusion in a direction of the rotation shaft is less than ½ of an inter-wire distance obtained by subtracting a wire diameter from a pitch of the spiral wire.