Introducing Carmex Carbide Mini Thread Mill — a compact, high-speed threading tool designed for small-diameter holes. Perfect for precision shops that need reliable M2 x 0.4 threads, this long MT7 variant delivers extended reach and consistent performance in challenging materials.

• Carbide grade & coating: MT7 sub-micron carbide with a TiAlN multi-layer coating (ISO K10–K20) for wear resistance and heat management.
• Threading versatility: Cuts both external and internal threads across a broad pitch range with a single tool.
• Thread size: Metric M2 x 0.4 threading profile for small-diameter fasteners.
• Long MT7 shank: Extended reach with a Morse Taper 7 shank for compatibility with standard toolholders and deep-pocket access.
• Coolant-through design: Flutes allow coolant to reach the cutting zone, enhancing performance in deep holes.
• Flute geometry: Spiral flutes deliver smooth cutting action; short profile reduces cutting forces and improves stability.
• Number of flutes: Multi-flute configuration (3–5 flutes) enables faster material removal and shorter cycle times.
• Material capability: Effective for hardened materials up to 45 HRC while maintaining thread accuracy.
• Reliability: Optimized design minimizes the risk of tool breakage in difficult, deep-hole threading tasks.

With high-speed capability, deep-hole threading through coolant, and the ability to generate both internal and external threads in one tool, this mini thread mill streamlines setups and reduces changeovers. The combination of a robust TiAlN coating, multiple flutes, and a long MT7 shank delivers longer tool life, cleaner thread profiles, and consistent results even when working with hardened steels. Ideal for precision manufacturing across automotive, aerospace, and medical components where tight tolerances and reliable deep-hole threading matter.