The Carmex Spiral Mill Threading Insert — Unified series (H23E18UNMT7) is built for precise threading and versatile milling. Its spiral flute design enables smooth cutting at high feed rates, helping you shorten cycle times and boost productivity across a range of machines.

• Spiral design for fast, smooth cutting: The spiral flute geometry promotes efficient chip evacuation and stable cuts at higher feed rates, delivering consistent thread quality and finishing performance.
• Versatile insert capacity and precise indexability: The toolholder supports 1 to 9 inserts in a compact cutting diameter, with a unique clamping method that ensures reliable index positioning for repeatable results and reduced downtime.
• Coated MT7 inserts for broad material compatibility: Inserts are available in MT7 Sub-Micron Grade with Titanium Nitride multi-layer coating (ISO K10‑K20), providing wear resistance and dependable performance across all materials.

This combination helps you achieve faster production cycles, consistent thread and finish quality, and longer tool life. The spiral mill threading insert delivers reliable results across threading, roughing, and finishing applications, giving you confidence to tackle a wide range of jobs with one trusted solution.