Auto Bolt’s latest investment, an M24 National 4 die Bolt Maker, is now up and running. We are
accepting opportunities to fill customer requirements for larger diameter long length product.
With the expanded capabilities, Auto Bolt can manufacture externally threaded and non-threaded
product from ¼” (M6) through 1” (M24) diameters on single and multiple station forming
equipment, with long stroke capabilities to produce product up to 11 ¾” (300 mm) in length. (…)
via http://www.fastenerjournal.com/index_htm_files/AutoBolt092616.pdf