Carmex Thread Mills Mini Type - For Hard Materials - Metric - M2.2 x 0.45 - MT9Carmex Mini Type Thread Mill is a precision solid carbide tool engineered for hard materials, enabling reliable internal threading in tight cavities. Its ideal for machinists and toolmakers who need dependable, repeatable results when working with hardened substrates. Size: Metric thread profile M2. 2 x 0. 45 for compact, fine pitch internal threads Shank: MT9 Morse taper shank for secure, rigid mounting on compatible equipment Material: Solid carbide