Enhance your milling operations with our high-toughness milling cutter set, designed for precision and durability. The set features a hardened 40CrMnTi shank and 42CrMnTi cutter holder, both renowned for their high impact resistance and wear resistance. The R8 shank and 63 mm diameter milling cutter holder are complemented by four cutter inserts, an 8 mm diameter spanner, and a T15 spanner, providing you with everything needed for immediate setup and use. Our tight seam design with offset screw fastening ensures a snug blade slot fit, significantly minimizing vibration and enhancing the quality of your work. The cutter set's plating process includes a new thin coating that offers outstanding oxidation resistance and high-temperature endurance, ensuring your tools remain durable under strenuous conditions. Whether you're milling step surfaces or cutting through materials, this set is engineered to make the process more efficient and less labor-intensive.