Detailed introduction to Self-Drilling Screws:

Self-Tapping Screws/Self-Drilling Screws/ Drilling Screws /Machine Screws/Chipboard Screws/Drywall Screws
Variety of self-drilling screws: Hexagon head, hexagon socket head, flat head, modified truss head, cap head, pan head, countersunk head, flange head, crossed, knurled screws
Material: Stainless Steel 210, 304, 302, 316, 410, 430 and Carbon Steel, Galvanized
Standard: DIN, ANSI