These products are fabricated using the finest grade raw material and sophisticated technology. The offered products are designed with high precision under the supervision of our experts in order to meet the international quality standards. These products are highly appreciated by our Buyers for their features like fine finish, Easy to Use and Comfortable and dimensional accuracy. Type: Phillips CSK Head Self Drilling Screw Zinc-plated for moderate corrosion resistance Self-Drilling Screws have a drill-shaped point to cut through sheet metal or steel which eliminates the need for drilling a pilot hole. how to use The self-drilling screw possesses a drill point enabling it to drill in its own hole in thin gauge steel 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 Works with Wood, Plastic and even thin sheets of metal Application: profile sheets, fiber sheet, MS sheet, MS angle, MS pipe, MS pipe, metal to metal, wood to metal, fiber to metal. Industrial and construction fasteners used widely in the home and office appliance communication equipments ship assembly and other machinery industry.