Home Products Threaded Insert/blind Rivet Nut Knurled Threaded Insert( Nut Insert ) Knurled Threaded Insert( Nut Insert ) 1 KNURLED THREADED INSERT ( Nut Insert ) Top Screw ST series Threaded insert is designed to be installed in the small space. The body length after riveting is shorter than any standard type of blind rivet nut. The head of insert can press tightly against surface of application. ST series can be installed on application which the thickness is thicker than 0.03â?? (0.76mm) and the application can be most any type of material. The material for ST series can be Steel and Stainless Steel. Further information about recommended hole size, grip range and application thickness. Please refer below table. APPLICATIONï¼? ST series Threaded insert is commonly used in any industry including automobile industry. MATERIAL AVALIABLE STEEL OTHER SIZE, MATERIAL ARE AVAILABLE UPON REQUEST