The various embodiments of the present invention provide a screw with a head having a hexagonal round contour on outer surface, a socket, rectangular slots provided on top surface of the hexagonal head. The hexagonal head in the screw is adapted for turning using an open end wrench and a tool slot in the top surface of the hexagonal head is adapted for turning using at least one of a hex wrench and an Allen wrench. The rectangular slots are provided for turning using a screw driver. The internal hexagonal round includes a conical relief for ease of turning using one or more wrenches.
