https://www.mcmaster.com/products/90190A199/
90190A199 | Phillips Rounded Head Screws for Sheet Metal
The pointed tip starts a hole as you install these screws in sheet metal. They penetrate sheets up to 0.
phillips rounded head screwssheetmetal
https://www.mcmaster.com/products/90380A005/
90380A005 | Phillips Rounded Head Thread-Forming Screws
Thread these screws into molded or cast holes in plastic without installing inserts.
thread formingphillipsroundedheadscrews