Metallics JSTS22 Screws 10 X 1 Pn Sl TS SS (Jar 100)
https://nsiindustries.com/product/10-x-1-in-pan-head-slotted-tapping-screws-18-8-stainless-100qty/
These pan head tapping screws cut their own threads into a material, but still rquire a pilot hole and are typically used in construction with a variety of materials.