Carmex Spiral Mill Threading Insert – Unified – H17I20UNMT7 is a spiral-fluted threading and milling insert system designed for professionals who demand fast, reliable performance across a wide range of applications. From small components on compact machining centers to heavy-duty work on high-power mills, this tool is built to deliver smooth cutting at high feed rates and reduce overall machining time.

The spiral toolholders are capable of holding 1 to 9 inserts in a compact cutting diameter, with a unique clamping method that ensures optimal indexability. This means you can set up multiple inserts quickly and maintain consistent positioning for repeatable results, while minimizing vibration and chatter during operation.

• Efficient Spiral Cutting: The spiral flute design enables smooth cutting at high feed rates, helping to shorten cycle times and improve productivity.
• Flexible Insert Configuration and Indexing: Holds 1–9 inserts in a compact diameter with a unique clamping method for reliable, precise indexability across uses.
• Durable MT7 Coated Inserts for Broad Material Compatibility: MT7 sub-micron grade with Titanium Nitride multi-layer coating (ISO K10–K20) provides versatility and consistent performance across all materials.

Together, these features support threading, end milling roughing, and finishing with a single system, delivering dependable finishes, reduced downtime, and a streamlined workflow across a variety of machining scenarios.