The Micro 100 Threading Tool is a high-speed steel threading tool with a 5/16" shank diameter and 16 TPI. It has a 60 degree threading point and can cut a variety of thread types including UN, UNF, UNEF, UNS, and more. The tool has an overall length of 3-1/2" and features TiN coating for increased tool life. It is designed for optimal chip control when cutting threads on materials like carbon steel, alloy steel, stainless steel, cast iron, and more. The threading tool can be used on CNC lathes, screw machines, and manual lathes.