Carmex Spiral Mill Threading Insert, Unified series (H45I6UNMT7), is a versatile spiral flute tool designed to tackle threading and milling tasks with reliability. It’s suitable for a wide range of users—from engineers and buyers to tradespeople and hobbyists—delivering smooth cutting at high feed rates to help you reduce cycle times and improve throughput.

The tool supports 1 to 9 inserts in a compact cutting diameter and uses a unique clamp design for reliable indexing. With MT7 Sub-Micron Grade inserts and a Titanium Nitride multi-layer coating (ISO K10-K20), it’s built to maintain a consistent finish across threading, end milling, roughing, and finishing tasks.

• Efficient Spiral Cutting for Fast, Smooth Threads: The spiral design enables smooth cutting at high feed rates, reducing machining time and enhancing surface finish across a range of materials.
• Compact, Easily Indexed Insert Assembly: Spiral fluted toolholders hold 1–9 inserts in a small cutting diameter, with a unique clamp method that ensures dependable indexability and minimizes downtime for changes.
• Durable MT7 Sub-Micron TiN-Coated Inserts: General-purpose MT7 inserts with TiN multi-layer coating (ISO K10–K20) deliver wear resistance and consistent finishes on a wide spectrum of materials.

This combination of spiral design, versatile indexing, and wear-resistant inserts helps you streamline production, reduce setup and changeover time, and achieve reliable, repeatable results from threading to roughing and finishing. Whether you’re running small-bore components on a compact mill or high-power milling on demanding jobs, this unified insert system provides consistent performance, dependable tool life, and confidence in every cut.