The part GB/T818-M4X10 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 m4x10 GB/T818-M4X10" are being used on the page "F4/F5 carburetor" They are sold one by one, if you need a complete set you need to buy multiple.
Pan head screw m4x10 GB/T818-M4X10 can be found as number 3 on the exploded view below
This pan head screw m4x10 is used for all these parsun models