The part GB/T818-M5X16 is available for purchase and is in stock
Ships from Sweden next business day and should be with you within a week
4 pieces "pan head screw m5x16 GB/T818-M5X16" are being used on the page "F20/F25 fuel tank 24l" They are sold one by one, if you need a complete set you need to buy multiple.
Pan head screw m5x16 GB/T818-M5X16 can be found as number 4 on the exploded view below
This pan head screw m5x16 is used for all these parsun models