The Carmex Thread Mills Carbide Mini Type MJ 4 x 0.7 MT7 is a high‑performance threading tool built for precision internal and external threads in a variety of materials. Designed for professionals who demand fast cycle times and dependable results, it combines a sub‑micron MT7 carbide core with advanced TiAlN multi‑layer coating to excel at medium to high cutting speeds.

• Size: MJ 4 x 0.7
• Material: MT7 sub‑micron carbide for exceptional hardness and wear resistance
• Coating: Titanium Aluminum Nitride (TiAlN) multi‑layer coating, enhanced for longevity
• Flute design: Spiral flutes with a short profile and 3–5 flutes for smooth cutting and efficient chip evacuation
• Through‑coolant: Coolant channels run through the flutes to improve cooling in deep holes
• Threading capability: Produces a wide range of pitches and handles both external and internal threads with a single tool
• Cutting speed: Optimized for medium to high cutting speeds to reduce machining time
• Depth advantage: Short profile and through‑coolant support deep‑hole threading with stable engagement
• Materials compatibility: Suitable for hardened materials up to 45 HRc, expanding the range of applications

This tool delivers reliable performance in challenging applications—from threaded bushings and sleeves to precision inserts—by combining deep‑hole capability, versatile threading, and durable coatings. Its design helps minimize tool changes and downtime while maintaining precise thread quality across a spectrum of pitches and sizes.