The Screw(5x16) is the lowest priced item on this Headlamp (sv1000k3) schematic.
The most expensive part in this assembly is the Headlamp Assy.
A sample from the products for the Headlamp (sv1000k3) include: Headlamp Assy, Bulb(12v60/55w,h4), Bracket,fr Side Reflector,l, Screw(5x16).