These dies are manufactured from the best grades of high-speed steels (HSS) & high-carbon high-chromium (HCHCr) steels under stringent quality control/supervision of technically qualified engineers. With state-of-the-art CNC equipment and latest micro-processor based in house heat treatment facilities, exceptional tool life and product quality is achieved. For more information, visit: https://sstools.net/flat-thread-rolling-dies/