Debur and dimple the skin on the right wing holding the wing tip. On the last hole on the top side I had to use the #30 pop rivet dimpling tool and the counter sink bit to achive a flat surface after inserting the #6 screw. Drill rivet holes on right wing tip for #6 platenuts. Used the platenut drill jig. Counter sink the #40 rivet holes just drilled for the platenuts on the wing tip. Counter sink the #6 screw holes on the wing tip.