Product Type: Thread Milling Cutter. Material: tungsten steel + nano coating. Thread specification: UNF0-80. Thread outer diameter: 1.18mm/0.046". Effective depth: 3.5mm/0.14". Overall length: 50mm/2". Shank diameter: 4mm/0.2". Number of Flutes: 3 Flutes. Applicable materials: Suitable for processing carbon steel, stainless steel, 45# steel, mold steel, cast iron, bearing steel, titanium alloy, etc. Applicable equipment: CNC machining center, engraving machine and other high-speed machine tools. packing list: 1pcs x thread mill