A connecting device for mounting a wooden construction element , in particular in the form of a panel or beam, on a support , the connecting device comprising - a mounting node , which is designed for mounting the connecting device on the support and - a coupling arrangement , which is connected to the mounting node and which, in the installed state, while projecting from the mounting node on an upper side of the wooden construction element , can be connected to the latter using fastening members , which at least partially pass through the wooden construction element , wherein the mounting node and the coupling arrangement are each produced from a material which has a higher strength than that of the wooden construction element , and wherein - the coupling arrangement is designed in such a way that it can be connected to the wooden construction element in each case along a fastening member axis by means of screw-shaped, pin-shaped or nail-shaped fastening members , in particular a self-drilling wood screw, - the coupling arrangement has fastening member bores , which determine the position and direction of the fastening member axes , characterized in that these fastening member bores are designed in such a way that, in the installed state, - the fastening member axis encloses together with a normal vector n extending from the underside of the coupling arrangement one angle of inclination θ each, which is 30° to 60° or about 45°, and - a direction vector s' of the projection of the fastening member axis on a coupling plane defined by the underside of the coupling arrangement encloses together with a radial vector r lying in the coupling plane a horizontal angle φ , wherein the radial vector r runs from a center O of the mounting node that is disposed in the coupling plane to a point of intersection P , in which the fastening member axis intersects the coupling plane , and - wherein the horizontal angle φ is 0° to +180° or 45° to 135° or -45° to -135°. - a mounting node , which is designed for mounting the connecting device on the support and - a coupling arrangement , which is connected to the mounting node and which, in the installed state, while projecting from the mounting node on an upper side of the wooden construction element , can be connected to the latter using fastening members , which at least partially pass through the wooden construction element , wherein the mounting node and the coupling arrangement are each produced from a material which has a higher strength than that of the wooden construction element , and wherein - the coupling arrangement is designed in such a way that it can be connected to the wooden construction element in each case along a fastening member axis by means of screw-shaped, pin-shaped or nail-shaped fastening members , in particular a self-drilling wood screw, - the coupling arrangement has fastening member bores , which determine the position and direction of the fastening member axes , characterized in that these fastening member bores are designed in such a way that, in the installed state, - the fastening member axis encloses together with a normal vector n extending from the underside of the coupling arrangement one angle of inclination θ each, which is 30° to 60° or about 45°, and - a direction vector s' of the projection of the fastening member axis on a coupling plane defined by the underside of the coupling arrangement encloses together with a radial vector r lying in the coupling plane a horizontal angle φ , wherein the radial vector r runs from a center O of the mounting node that is disposed in the coupling plane to a point of intersection P , in which the fastening member axis intersects the coupling plane , and - wherein the horizontal angle φ is 0° to +180° or 45° to 135° or -45° to -135°. <EOS>