Metallics JFM194 Screws 10-24 x 3/4 Fh Sl MS St-zn (Jar 100)
https://nsiindustries.com/product/10-24-x-3-4-in-flat-head-slotted-machine-screws-steel-zinc-100qty/
These flat head slotted screws have finer threads than typical screws, requiring a pre-drilled hole and are perfect for joining metal parts in machinery and construction.