An intramedullary nail assembly (10) for use in a medullary canal (2) of a long bone (4) includes a nail (12) for positioning at least partially in the medullary canal (2). The nail (12) defines an aperture (14) through the nail (12). The nail assembly (10) also includes a screw (16). The screw is positioned in the aperture (14) of the nail (12). The screw (16) has a shank (18) defining an end (20) and a periphery (22) of the shank (18). A portion of the periphery (22) defines a thread (24). The nail assembly (10) also includes means for fixedly securing the screw (16) to the nail (12).