The Carmex Vertical Milling CMT Three Flute Insert – Groove Milling (C12W20) is a ground-profile, indexable insert designed for vertical milling tasks such as grooves, threads, chamfers, and more. This versatile solution pairs with compatible toolholders to deliver precise, repeatable results in demanding workshop environments, making it suitable for engineers, buyers, tradespeople, hobbyists, and shop floor technicians who value reliability and flexibility.

• Ground-profile three-flute design for precision and surface quality: Delivers tight tolerances and smooth finishes at higher cutting parameters, supporting accurate groove and thread milling with consistently high quality.
• Universal right- and left-hand threading capability: One insert works for both thread directions, reducing inventory and setup time while maintaining reliable, repeatable results.
• Rigid clamping and coolant-ready toolholders: Solid, accurate clamping enables full repeatability; toolholders include weldon shank and coolant bore for easy integration and efficient coolant delivery.

This combination of precision geometry, versatile threading capability, and robust clamping makes the Carmex CMT insert a dependable choice for high-parameter milling in grooves and threads. It helps streamline setups, minimize downtime, and deliver consistent performance across multiple parts, aiding in achieving better workflow efficiency and improved machining outcomes.