The Carmex Vertical Milling CMT Three Flute Insert - Groove Milling - C25W25 is a precision vertical milling insert designed for groove milling, threading, and chamfering. It’s built for engineers, machinists, buyers, tradespeople, hobbyists, and other metalworking professionals who demand accurate grooves and threads with reliable performance.

Ground-profile inserts deliver high precision and excellent surface quality, even at high machining parameters. A 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.

• Ground profile for high precision: Delivers precise groove and thread geometry with excellent surface finish, even at high cutting parameters.
• Solid, repeatable clamping: Provides full repeatability across parts; the same insert handles both right-hand and left-hand threads, reducing tool changes.
• Weldon shank and coolant bore compatibility: Enables secure mounting and efficient coolant delivery, with chamfer inserts available to complete milling tasks in a single setup.

In practice, this insert helps you streamline groove milling and threading workflows, reduces tool changes, and delivers consistent finishes across parts. Its robust clamping and versatile mounting options support reliable performance at higher parameters, making it a dependable choice for a wide range of groove, thread, and chamfer operations.