Carmex Thread Mills Mini Type - For Hard Materials - Metric - M4 x 0.7 - MT9Carmex Thread Mills Mini Type are precision solid carbide tools crafted for machining hardened materials. Designed for metric threads, this M4 x 0. 7 tool with MT9 shank delivers reliable performance in tight spaces and challenging workpieces. Thread size: M4 x 0. 7 (metric thread pitch 0. 7) Shank: MT9 Material: Solid carbide Materials compatibility: Suitable for hardened materials up to 62 HRc Type: Mini type for compact, precision threading in