【45° Professional Chamfering, Precise and Efficient】 Made of high-quality 40CrMo alloy steel, featuring a standard 45° chamfering angle, designed for efficient and precise chamfering and turning operations, ensuring smooth and uniform edges on workpiece. 【Carbide Inserts, Wear and Heat Resistant】 Includes 11pcs TCMT32.51 carbide inserts with high-strength CVD coating, offering extreme wear resistance and high-temperature tolerance, specially optimized for processing various steels with long service life. 【Excellent Anti-Vibration and Anti-Rust, Stable and Durable】 The tool holder structure is optimized to effectively suppress cutting vibrations, ensuring machining stability. Nickel-plated surface provides excellent corrosion and rust resistance, suitable for various working environments. 【Steel Processing Expert, Strong Versatility】 Ideal for semi-finishing and finishing of various steels including 45# steel, spring steel, and 42CrMo ,die steel, making it the perfect choice for steel turning operations. 【Great Value Set, Ready to Use】 Includes 1 tool holder, 11 replacement inserts, and 1 dedicated wrench, providing a complete solution ready for immediate use. 45° Chamfering Tool Holder 5/8 inch Shank with 11pcs TCMT32.51 TCMT16T304 Carbide Turning Inserts for Steel Turning Processing