Genuine OEM Volkswagen Hexagon Socket Flathead Bolt, part number N91038601. This bolt features a hexagonal socket drive and a flat, countersunk head that sits flush with the surface when tightened. Located at position 8 in the diagram. This part is a bolt with a hexagonal socket drive and a flat, countersunk head that sits flush with the surface when tightened. Genuine OEM bolts provide the correct thread pitch and material strength for secure and reliable fastening.