Carmex MT7 Solid Carbide Internal Thread Mills are crafted for efficient, cost‑effective threading of inner holes in metal parts. Designed for shops that regularly produce UNC, UNF, UNEF, and UNS threads, this tool delivers precise profiles with reliable performance pass after pass.

• Internal Thread Milling: Specifically engineered to cut internal threads in metal features, covering UNC, UNF, UNEF, and UNS standards.
• Size and Pitch: 3/8" diameter with 16 TPI, ideal for common fastener sizes and mating components.
• Flute Count: 3–5 flutes to enhance rigidity, improve thread accuracy, and promote efficient chip evacuation.
• Material: Solid carbide construction for high stiffness, heat resistance, and extended tool life in demanding materials.
• Shank Compatibility: MT7 shank designed for secure, accurate engagement with MT-style tool holders.
• Precision Geometry: Optimized flute geometry delivers clean thread profiles and reduces chatter during machining.
• Cost-Effective Solution: Built to deliver dependable threading performance without premium costs.

This MT line helps you achieve consistent thread quality while potentially reducing cycle times and tooling costs. The multi‑flute design provides stable cutting at reliable speeds, making it suitable for precision-focused work in automotive, aerospace, and general manufacturing settings. Use it for internal threads in through‑holes or blind holes, ensuring threads meet exact specifications with every operation.