HardwareJet is established in 2003,after 20 years development,we become a leading manufacturer of high quality self drilling screw in China, we are specilized in mechanical coating screws,our fasteners are made to exacting high standards of quality and are subjected to strict inspection and testing procedures,so we are confident that it can guarantee the quality and performance of our fasteners that it has backed it up with our warranty.HardwareJet offer a full range of self drilling screw and self tapping screw,which make us a comprehensive fastener supplier all over the world.Different head types and coating options such as Dacromet and Ruspert mechanical coating are suitable to most of the steel to steel and steel to timber applications,different materials option such as low-carbon steel,410 stainless steel and 304 stainless steel can combat different corrosive environments from light to heavy.All the TEK screws meet the requiremen of Austrilian AS3566.