This invention relates to a head connecting device in golf clubs, and in particular to a cast iron head on a wooden golf club, such as a driver, a brush, a baff, a creek. The object of this invention is to provide a setting part, i.e. a tube with an eccentric bore which inclines against the axis of the tube and is located between the head and the shaft so that the face angle α of the hit face 1a of head 1 can be adjusted easily by changing the direction or the angle of the setting part.