Stainless steel
These Steeltite Self Drilling Screws are designed specifically for drilling through thin sheet metal. They feature a drill point end.
Steeltite screws have a Hex flange head and are commonly used as a roofing screw, these are without a neoprene sealing washer.
14 gauge diameter = 6.2mm Thread = 14 TPI Hexagon head size = 3/8"
