Bugle head screws feature a countersunk head with a flat top and a concave under-head bearing surface. Phillips Drive screws have property of being self-centering, so they can take more torque without slipping.
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 on a phillips drive bit. 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.
Product Dimensions 14 x 22 x 3.5 cm; 200 Grams
Features: Box comprises of self-drilling screws csk/bugle 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 CSK head self-drilling screws, Size 1" inch (25 mm) Pack of 75 pieces.