Genuine OEM Volkswagen Countersunk Bolt, part number WHT009842. This bolt is designed with a countersunk head, allowing for flush mounting within an assembly. It is indicated as item 4 in the diagram. The bolt has a length of 0.012m and a width/height of 0.01m. Genuine OEM countersunk bolts are manufactured to precise dimensions and material standards, ensuring a smooth, flush finish and secure fastening in engine components.