The Carmex Vertical Milling CMT Three Flute Insert – Groove Milling is a precision vertical milling insert designed to perform a wide variety of threads, grooves, chamfers and more. It’s part of Carmex’s vertical mill-thread family, built to deliver dependable groove milling and threading performance.

Its ground profile delivers high precision and excellent performance, enabling operation at higher machining parameters while delivering a high surface quality. The solid, accurate clamping method ensures full repeatability, and the same insert can be used for both right-hand and left-hand threads. Toolholders include Weldon shank and coolant bore, and chamfer inserts are also available to broaden your toolkit.

• Ground profile for high precision: The inserts are ground to tight tolerances, delivering consistent geometry for precise threads, grooves, and chamfers, enabling high-parameter machining and a high-quality surface finish.
• Universal threading with full repeatability: The same insert works for right- or left-hand threads, paired with a robust clamping system to ensure repeatable results and streamlined setup.
• Complete tooling ecosystem: Toolholders include Weldon shank and coolant bore, and chamfer inserts are available to expand capabilities without swapping tooling.

These features empower you to complete threading, grooving, and chamfering tasks with confidence, improve surface quality, and speed up workflows. The reliable clamping and compatible tooling reduce downtime and allow for consistent part quality across jobs.