Fastener including a screw and a supporting element

A fastener assembly, comprising:

• a screw including a head, a shank and a threaded portion,
• said threaded portion being located on said shank and including a thread including a lead, a thread runout facing said head and an outer diameter, said thread runout having a cone angle,
• said shank including a shank portion having a diameter which is less than the outer diameter of said thread;
• and
• a supporting element including a narrow location and being designed and arranged to be captively connected to said screw,
• said narrow location having an inner surface and a diameter which is less than the outer diameter of said thread to captively connect said supporting element to said screw,
• said narrow location at its inner surface including a contact element being designed and arranged to face said thread runout, said contact element being designed to have a conical shape and a length being more than the lead of said thread, said contact element having a cone angle, the cone angle of said contact element not being more than the cone angle of said thread runout and being approximately between 3° and 8°.