Carmex Thread Mills Solid Carbide - With Through Coolant - UN (UNC UNF UNEF UNS) - 1 1/8 - 1 1/4 x 7 - MT7The Carmex MTB Solid Carbide Thread Mills with Through Coolant are designed for precise UN UNC UNF UNEF UNS thread milling in metal parts. Built for professional shops, this through coolant tool enhances chip evacuation and extends tool life in demanding machining environments. Size Shank: Diameter range 1 1 8 in to 1 1 4 in, flute length 7 in, MT7 taper for secure, rigid mounting. Material: Solid carbide for exceptional rigidity, wear resistance, and