The Micro 100 1/4" Shank Threading Tool is made of C2 grade high speed steel, offering good wear resistance. It features a 60-degree threading point and can cut unified coarse, unified fine, and metric threads. With a 1/4" shank diameter and 3-1/2" overall length, it fits tool holders for lathes, screw machines, and CNC machines. Suitable for machining steel, stainless steel, cast iron, aluminum, and plastics, this USA-made tool is ideal for production and general workshop threading.