The spare part GB/T818-M5X16 is available for purchase and is in stock
Delivery time is normally about one week
2 pieces "pan head screw m5x16 GB/T818-M5X16" are being used on the page "F20/F25 upper casing" They are sold one by one, if you need a complete set you need to buy multiple.
This pan head screw m5x16 is used for all these parsun models