Product Name: External Diameter Turning and Milling Compound Tool Holder
Product Material: 42CrMo
Taper Shank: Tolerance Grade < AT3
Main Body Accuracy: 0.003mm
Heat Treatment Hardness: HRC50-52
Product Advantages: Compared to the HSK-A type commonly used in milling operations, the HSK-T type has stricter tolerance specifications for the spindle key and tool holder keyway.