APPLY TO - Countersunk Phillips head self-drilling screw is widely used in house maintenance, woodworking, or sheet metal, and can drill through thin steel plates, and is widely used in steel structure houses and other buildings.SPECIFICATION:Material: Carbon SteelFinish: Vibration PolishingScrew Diameter: #6(3.5mm)Screw Length: 32mm(1-1/4-in)Head Size: 7mm(D) /0.28-inQUANTITY INCLUDED - 100pcs x Flat Head Self-drilling Dovetail ScrewADVANTAGE - Flat Head self-drilling screw is made of 410 stainless steel, vibration polishing surface finished, anti-rust, corrosion-resistant, high hardness, good ductility.INSTALL - Dovetail design, no drilling required before use, self-tapping screw with drill bit allows the screw to drill directly into the sheet metal or wood.
eBay