The Carmex Spiral Mill Threading Insert - Metric/ISO - H32I3.5ISOMT7 is a spiral milling insert system designed for threading and precision milling. It’s built for a wide range of users—from small job shops with compact machines to high‑power milling centers—delivering a smooth cutting action at higher feed rates to reduce overall machining time.

The spiral design supports 1 to 9 inserts in a relatively small cutting diameter, with a unique clamping method that ensures reliable indexability. This approach minimizes downtime and helps you maximize productive hours. Spiral tools also reduce vibration and chatter, producing consistent finishes across threading, roughing, and finishing passes. Inserts use MT7 Sub‑Micron Grade with Titanium Nitride multi‑layer coating (ISO K10–K20), a versatile general‑purpose grade suitable for use with all materials.

• Smooth, high‑feed cutting for faster cycles: The spiral design enables a smooth cutting action at high feed rates, cutting cycle times without sacrificing finish quality.
• Flexible insert capacity with precise indexability: Toolholders accommodate 1–9 inserts in a compact diameter, and the unique clamp provides reliable, repeatable indexing for consistent parts.
• Durable MT7 sub‑micron TiN‑coated inserts: TiN multi‑layer coating (ISO K10–K20) on MT7 inserts delivers long tool life and dependable finishes across materials, making it a versatile choice for threading, roughing, and finishing.

This spiral mill threading insert helps you streamline operations, reduce setup and changeover time, and achieve reliable results across a broad range of materials and applications. The combination of high‑speed cutting, robust indexing, and durable coatings translates to improved throughput, fewer interruptions, and consistently high‑quality threads and surfaces.