MMC Hardmetal India Pvt. Ltd offers External Grooving Tool with Tri Lock System. MMC Hardmetal India Pvt. Ltd also manufactures various types of turning, milling and drilling tools. The External Grooving Tool with Tri Lock System, GY Series, offers ultimate rigidity and accuracy for stable grooving applications. The External Grooving Tool with Tri Lock System has one tool holder which can have a number of modular blades offering flexibility. This Tool has safety keys to prevent insert movement with convex geometry ensuring high precision clamping.