Carmex Thread Mills Solid Carbide - Fast Type - With Internal Coolant Bore - UN (UNC UNF UNEF UNS) - 7/16 x 20 - MT8The Carmex FMT Fast MT solid carbide thread mill is engineered for high speed, precise threading on challenging materials. Designed for shops that demand fast cycle times without compromising thread accuracy, this tool handles UNC, UNF, UNEF, and UNS forms in a compact 7 16 x 20 size with a robust MT8 shank. Tool family: FMT Fast MT line engineered for high productivity and reliable threading performance. Thread compatibility: Supports UNC, UNF, UNEF,