Helisert Fasteners manufactures Helically Coiled Stainless Steel Screw Thread Inserts. Helisert Fasteners also manufactures stainless steel screw thread inserts, installation tools and self lock nuts. The Helically Coiled Stainless Steel Screw Thread Inserts finds an application in defense, aeronautical, automobile and switchgear industries. The Helically Coiled Stainless Steel Screw Thread Inserts are available in two basic types, namely standard [free running] and screw-lock [interlocking locking]. The Helically Coiled Stainless Steel Screw Thread Inserts repair Stripped and damaged threads.