Metallics JPMP120 Screws 4-40 X 2 Pn Ph MS St-zn (Jar 100)
https://nsiindustries.com/product/4-40-x-2-in-pan-head-phillips-machine-screws-steel-zinc-100qty/
These pan head Phillips screws have finer threads than typical screws, requiring a pre-drilled hole and are perfect for joining metal parts in machinery and construction.