Carmex Thread Mills Solid Carbide - Fast Type - With Internal Coolant Bore - Metric - M4, M5 x 0.5 - MT8The Carmex FMT Fast MT solid carbide thread mills are engineered for rapid, precise metric threading in production environments. Designed for machinists and job shops, these tools deliver high speed performance with reliable thread quality, every pass. Flute count: Large flute set (58 flutes) for significantly reduced cycle times and smoother chip evacuation. Internal coolant bore: Through tool coolant delivers cooling and efficient chip removal