Your overhaul will be easier to execute and with a more professional outcome when you specify a new OE Screw with captive washer like the component shown here, rather than making do with the old corroded, probably slightly damaged item.
For other new parts to make your task easier and with better results, check out our online schematic for your model.
Other sizes of screws with captive washers you may wish to consider:
All the parts required can be found in our online schematic for your model, where you can enjoy a user-friendly online purchasing system and competitive pricing.
Use OE fasteners, why take the chance with any other type?