The Thread Mill 3/4-12 Carbide is a high-performance thread milling cutter made by Niagara Cutter. It has a 3/4" shank diameter, 12 threads per inch, and is made of solid carbide for durability and long tool life. This thread mill can be used on steels, cast iron, stainless steel, nickel alloys, titanium and other hard materials. It creates internal threads in blind holes and through holes. The TiAlN coating provides heat and wear resistance. This is an excellent choice for efficient thread milling in production environments.