Carmex MT7 solid carbide internal thread mills are engineered for precise UN-threading on CNC mills, offering a dependable and cost-conscious solution for internal threading needs. This MT line tool focuses on efficiency and consistent results when fabricating UN family threads (UNC, UNF, UNEF, UNS) with a compact cutting diameter.

• Shank: MT7 Morse Taper 7 shank for secure seating in compatible toolholders and spindle interfaces.
• Cutting diameter: 7/16 in (0.4375") for versatile internal threading applications.
• Thread range: Designed to form internal UN threads including UNC, UNF, UNEF, and UNS, with a 1/2-28 profile option referenced in the specification.
• Flute count: 3–5 flutes to balance rigidity, chip evacuation, and smooth cutting action.
• Material: Solid carbide for high rigidity, wear resistance, and long tool life in metalworking environments.
• Design focus: Optimized geometry to maximize threading throughput while preserving thread accuracy and surface finish.

This internal thread mill delivers clean, accurate thread forms with reduced tool deflection and consistent results across production runs. The combination of a robust MT7 shank, multi-flute cutting action, and carbide hardness makes it well-suited for demanding threading tasks in steel, aluminum, and other common metals. Whether you’re prototyping or running high-volume production, this Carmex MT7 thread mill helps you achieve reliable UN-thread performance with fewer passes and lower overall tooling costs.