Carmex Thread Mills Carbide Mini Type - UN (UNC UNF UNEF UNS) - No. 2, No. 3 x 56 - MT7

Carmex's Carbide Mini Thread Mills are compact, high-performance tools designed for precise UNC/UNF/UNEF/ UNS threading—sized No. 2 and No. 3 with a 56 mm reach—perfect for tight spaces and high-speed machining.

• Tool material & coating: Carbide MT7 sub-micron grade with a Titanium Aluminum Nitride multi-layer coating (ISO K10–K20) for exceptional wear resistance and hot-hardness at elevated speeds.
• Thread forms & sizes: Supports No. 2 and No. 3 thread forms across UNC, UNF, UNEF, and UNS with a compact 56 mm reach for versatile applications.
• Through-coolant capability: Coolant is delivered through the flutes, enhancing chip evacuation and enabling deeper hole threading with cleaner finishes.
• Flute design: Spiral flutes provide smooth cutting action and consistent chip control for stable threading progress.
• Number of flutes: Multi-flute construction (3–5 flutes) reduces machining time while maintaining rigidity and control.
• Profile geometry: Short profile minimizes cutting forces and deflection, contributing to fewer tool-induced taps and steadier performance in difficult pockets.
• Materials & hardness: General-purpose threading capable of machining materials up to 45 HRc, including hardened workpieces.
• Internal & external threading: A single tool capable of producing both internal and external threads across a wide range of pitches.
• Durability: Triple-layer coating design extends tool life, sustaining edge sharpness under demanding speeds and feeds.

This thread mill delivers precise, repeatable threads with strong surface finishes in challenging environments. The combination of through-coolant, a short profile, and a robust MT7 coating translates to faster cycle times, reliable performance in deep holes, and reduced risk of tapping failures. Ideal for shops seeking a versatile, single-tool solution for high-speed threading across multiple UN thread standards and hardened materials.