The Carmex Vertical Milling CMT Three Flute Insert - Threading - C12I18UNMT7 is a versatile vertical milling insert designed for threading, grooves, chamfers, and other profile operations. Built for professionals and serious hobbyists, it pairs with compatible toolholders to deliver precise, repeatable threads and clean surface finishes.

Designed for high-performance threading, the ground-profile inserts maintain excellent accuracy and surface quality even under demanding cutting conditions. The solid, accurate clamping method enables full repeatability, and the same insert can be used for both right-hand and left-hand threads to simplify setups. Toolholders include a Weldon shank with a coolant bore, and chamfer inserts are available to expand capabilities.

• Ground-profile inserts for high precision: Delivers accurate threading and superior surface finish even at demanding cutting parameters.
• One insert for RH and LH threads: Simplifies setup and reduces tooling inventory while ensuring reliable results.
• Complete system with coolant-ready toolholders: Weldon shank compatibility and coolant bore support efficient machining; chamfer inserts are available to broaden capabilities.

This combination provides a reliable, flexible threading solution that integrates smoothly with standard milling setups, helping you accelerate workflows, maintain tight tolerances, and achieve consistent results across a range of materials and thread sizes.