Genuine OEM Volkswagen Hexagon Bolt, part number WHT010636. This bolt features a hexagonal head and is used to fasten various components, particularly within the vehicle's underbody structure. It is indicated as part 7 in the diagram, securing underbody panels and brackets. The specific grade of steel and thread form are critical for load-bearing applications. Genuine OEM bolts provide the guaranteed strength and corrosion resistance necessary for long-term structural integrity.