Carmex Thread Mills Solid Carbide - Fast Type - With Internal Coolant Bore - UN (UNC UNF UNEF UNS) - 9/16, 1 x 12 - MT8The Carmex Thread Mills Solid Carbide Fast Type with Internal Coolant Bore is a high performance threading tool designed for CNC machinists who demand speed and precision in UN thread milling. Built for production environments, it combines a large flute count with an integrated coolant bore to deliver fast, clean threads across UNC, UNF, UNEF, and UNS specifications. Tool family: Solid carbide thread mill from the FMT Fast MT line, engineered for high