A boring bar tool for use with a tip (110) is disclosed which has a tool body (101). The Tip (110) is mounted to one side of a forward end of the nose (111) of the tool body (101). A neck (112) is formed at a proximal end of the nose (111), and a shank (113) in the form of a shaft is formed at a proximal end of the neck (112). The neck (112) has a cross-sectional area in a plane perpendicular to an axis (O10) of the shank (113) which is larger than the cross-sectional area of the shank (113) in the plane.
