The 16T303 Threading Tool is a 3/16" carbide threading tool made by West Indigo. It has a 60 degree threading point and is designed for cutting threads in steel, stainless steel, cast iron, aluminum, and other metals. The tool has an overall length of 5-1/2" and features a 5/8" shank that fits standard tool holders. It can cut unified coarse, unified fine, and metric threads with pitches ranging from 24 to 80 threads per inch. The carbide cutter provides wear resistance and durability. This threading tool allows efficient internal and external threading operations on lathes and screw machines.