#8 x 3/4", Stainless steel 18-8, Star pin-in flat head, US

US Fasteners

Star pin-in flat head sheet metal screws

Sheet metal screws

Screws with large threads for use in sheet metal sometimes also used in plastic, fiberglass or wood.
Star pin-in flat head machine screws

Machine screws

Screws with machine threads for use with a nut or in a tapped hole.