The Hex Head Self Tapping Screws were developed to make their own hole in the material without additional equipment. With this feature, the time taken to execute the fastening is considerably reduced as the overall installation time. These screws have wonderful holding power in metal, wood, and plastic, so they can be used in numerous environmental conditions. Because they are driven by a power screwdriver, the hex head makes it possible to apply torque to the screw without difficulty. Based on quality and performance, every screw from Pinghu Hengke Metal Products Factory exceed international standard, thus providing you with trusted fasteners for your needs.