Baer Hexagon Die Nut HSS - Metric Coarse - Left Hand - For General use - M5 x 0.8Baer Hexagon Die Nut HSS is a compact, durable threading tool designed for general use on metric coarse threads. Built for M5 x 0. 8 left hand threads, it facilitates quick cleaning, restoration, and creation of threads with reliable, repeatable results. Material: High speed steel (HSS) construction for wear resistance and long tool life. Thread specification: Metric coarse, M5 x 0. 8 with left hand threading for reverse direction threading tasks.