Carmex Thread Mills Mini Type - For Hard Materials - Metric - M6, M8 x 1 - MT9Carmex Thread Mills Mini Type are compact, high performance solid carbide tools engineered for threading hardened materials. Designed for engineers and machinists who require reliable metric threads in tough metals, these MT9 shank mills deliver precise M6 and M8 x 1 threads with a superior finish. Mini type design: Small diameter thread mills optimized for tight pockets and hard to reach holes, enabling precise M6 and M8 x 1 threads. Material: Solid