The Carmex Vertical Milling CMT Three Flute Insert - Groove Milling - C18W15 is a vertical milling indexable insert designed for groove milling, threading, chamfers, and a wide range of precision milling operations. It pairs with compatible tool holders to fit standard machining centers, enabling efficient, accurate groove work across different projects.

Built around ground-profile geometry for high precision, it delivers reliable performance under demanding machining parameters with a solid, repeatable clamping method. The same insert works for right- or left-hand threads, and the system includes weldon shank toolholders with coolant bore, plus chamfer inserts available for additional finishing options.

• Ground profile for precision: Precision-ground geometry ensures secure seating and consistent cutting depth for reliable groove and thread results, helping you hit tight tolerances more consistently.
• High-parameter performance with excellent surface finish: Designed to run at higher cutting speeds and feeds while maintaining a smooth, high-quality finish on parts, reducing the need for rework.
• Universal threading and repeatable clamping: One insert supports both right- and left-hand threads and pairs with a solid, repeatable clamp and coolant-bore toolholders for easy, fast changeovers and dependable results.

This combination of precision geometry, robust clamping, and versatile threading capability helps streamline your workflow, shorten cycle times, and deliver consistent part quality across batches. With the Carmex CMT groove-milling insert, you gain a reliable, repeatable solution that fits a range of groove, thread, and chamfer applications—backed by a tested design that professionals trust.