The Micro 100 Threading Tool is a high speed steel threading tool with a 3/16 inch shank diameter and 60 degree included angle. It has a 0.040 inch minimum minor diameter and can cut up to 8 threads per inch. The overall tool length is 3 inches and it has a TiN coating for wear resistance. The threading tool has a right hand cut direction and is made in the USA by Micro 100. It can be used on steels, cast iron, aluminum, brass, bronze and plastics.