Wire Thread Insert is a fastener made of helically drawn Coiled Wire Helical insert is a fastener made of helically drawn coiled wire. Helically formed coils of diamond shaped stainless steel or phosphor bronze wire screw into a threaded hole to form a mating internal thread for a screw or stud.These inserts provide a convenient means of repairing stripped-out threads and are also used to provide strongerthreads in soft materials such as aluminum, zinc die castings, wood, plastic, magnesium etc. than can be obtained bydirect tapping of the base metal involved. Other common generic names are Screw Thread Insert (STI) and Wire ThreadInsert. Its applications include engine cylinder head repair after unintentional over-torque or cross-threading of sparkplugs strips the thread of the socke..
In Workshop Kits there are two categories5 Sizes - Metric, UNC, UNF, BSW, BSF3 Sizes - Metric, UNC, UNF, BSW, BSF..
Each Kit Contains :-1pc. Insert Installation Tool (Hook Type)1pc. Tang Break -off Tool1pc. High Speed steel twist drill of Suitable Size1pc. High Speed Steel Screw Thread Insert (STI) Taps Straight Flute Stainless Steel (AISI 304) Wire Thread Inserts - Free Running Plastic Container for Storage and Safety..