The Carmex Spiral Mill Threading Insert - NPTF - H13-18NPTFMT7 is a versatile threading and milling tool designed for high-efficiency production. It suits a wide range of applications—from small components on compact CNCs to heavy-duty work on high-power mills—delivering smooth cuts at high feed rates and reducing machining time.

• Smooth, high-feed threading with spiral design: The spiral geometry enables smooth cutting at high feed rates, reducing cycle times and improving productivity on threading and milling operations.
• Flexible insert capacity with precise indexing: Toolholders support 1–9 inserts in a compact cutting diameter, while the unique clamping method ensures reliable indexability for repeatable insert changes and consistent results.
• MT7 TiN-coated inserts for all-material versatility: The MT7 Sub-Micron Grade with Titanium Nitride multi-layer coating provides wear resistance and reliability across materials (ISO K10–K20), delivering durable performance in threading, roughing, and finishing.

Across threading, roughing, and finishing tasks, this insert set translates into faster cycles, cleaner finishes, and dependable results. The combination of spiral cutting, flexible insert indexing, and durable TiN-coated MT7 inserts helps reduce downtime, improve workflow consistency, and support a wide range of materials, making it a reliable choice for job shops, contract manufacturers, and workshop environments that demand precision and efficiency.