Check the listing for details. Allied Machine 7/8 x 9UN Solid Carbide Thread Mill MAXA0875x9XL TiAlN Helical. Condition: New, Made in United States. Listed at 258.09 USD. Allied Machine & Engineering 7/8"x9 UN Threadmill MAXA0875x9XL Allied Machine & Engineering 7/8"x9 UN Threadmill Threading Location: Internal & External This solid carbide Allied Machine & Engineering MaxThread™ threadmill delivers strong performance for 7/8"x9 UN threading applications. Its helical flute design enhances rigidity and chip evacuation, supporting consistent and predictable machining results. The TiAlN coating provides extended tool life, making it suited for low-volume production environments requiring high reliability and clean thread formation. Due to charges from our delivery partners, some Highland & Island locations may incur surcharges. International buyers: postage costs may vary depending on destination. Please contact us for an accurate quot.