Baer Hexagon Die Nut HSS - Metric Coarse - Right Hand - For General use - M52 x 5.0The Baer Hexagon Die Nut HSS is a metric coarse, right hand internal thread repair tool designed for reliable, on demand maintenance. Its hexagonal grip makes it easy to handle by hand or with a wrench, enabling precise threading work in tight or damaged spaces. Material: High speed steel (HSS) for durability, wear resistance, and long tool life in dense or stubborn threads. Thread size: Internal thread, M52 x 5. 0 (metric coarse) for standard