Manufacturer Part#: FC0471-SS, Manufacturer: Fascomp Electronic Hardware, Brand: FEH Captive Screws, ECCN: EAR99, HTS Codes: 7318.16.0000, Material: Stainless Steel, Finish: Plain, Thread Size: #1/4-20, Head Diameter: 1/2 Inch, Head Height: 9/16 Inch, Thread Length: 5/16 Inch, Head Type: Type 2, Length Under Head: 7/8 Inch