PCBN external grooving tools are designed for high-precision grooving on hardened steels, cast irons, and heat-resistant alloys. Manufactured with polycrystalline cubic boron nitride, these tools offer superior hardness, thermal stability, and wear resistance. Ideal for high-speed and dry machining, PCBN grooving inserts ensure accurate groove profiles, excellent surface finish, and long tool life. Suitable for automotive, aerospace, and heavy-duty industries, they reduce downtime and improve production efficiency. Choose PCBN external grooving tools for consistent performance, reduced tool change intervals, and exceptional machining results in demanding applications.