Wire thread inserts cover a wide range of thread sizes in metric and inch threads in regular and locking unc and unf threads. They are often made of 304 stainless steel, but can also be supplied in Inx750, 321 stainless steel, etc. on request.
Wire thread inserts can also be cadmium-plated, silver-plated, zinc-plated, tin-plated, colored, dry-film lubricated and other special treatments.