Homdum Hex Head Socket Drive Self Drilling Screw 3/4 Inch (20mm)

hex head cap screw is a six-sided bolt with a trimmed hex head and a washer face on the bearing surface. Hex socket Drive allows them to be tightened and more torque can be safely applied to the fastener by the socket.
Self-Drilling Screws have a drill-shaped point to cut through sheet metal or steel which eliminates the need for drilling a pilot hole.
High quality tempered steel for better drilling, zinc plated Rust proof zinc coating for extra long life.
Applications : polycarbonate sheet, shadow cover, brick ties to steel framing, roof deck to steel framing, accessories to steel framing etc.
Installation: Place a self-drilling screw into the hex head adapter. Depress the trigger of the drill slowly, while the drilling tip of the screw rests against the metal. Increase the speed of the drill when the screw finds its center. Stop drilling when the head of the self-drilling screw tightens against the surface of the metal.
Color Zinc
Product Dimensions 14 x 10 x 3.5 cm; 344 Grams

Product description
Size Name:20mm
Features: Box comprises of self-drilling screws hex head which can drill its own hole and tap its own thread as it is driven into the surface. Application: profile sheets, fiber sheet, MS sheet, MS angle, MS pipe, MS pipe, metal to metal, wood to metal, fiber to metal. Package Contents Hex head self drilling screws, Color: zinc plated. Care Instructions: Wear Eye & Hand protection.Included Items: 1 Box of Self-Drilling Screw hex Head Screws. Size 20mm (3/4 inch) Pack of 50 pieces.