A wire apparatus includes a sheath arranged in an endoscope, a wire inserted in the sheath and configured to move in an axial direction or rotated in the sheath, and the wire is configured such that processing of coating including a binder component is performed only to a range of the wire, the range being exposed from the sheath and a powder lubricant which does not include the binder component is applied to at least a range of the wire, the range being inserted in the sheath.
