1. ISO standard tool holder: also called MAS (Machine Adaptor System) tool holder, it is a common tool holder standard. It adopts a straight shank with a taper of 7/24 and is commonly used in milling cutters and drill bits.
2. HSK (Hollow Shank Taper) tool holder: HSK tool holder is a tool holder mainly used for high-speed cutting. It is characterized by good rigidity, high precision, and good high-speed balance. It has good axial stiffness and radial stiffness, and is suitable for precision machining such as five-axis machining.
3. BT (Belt Taper) tool holder: BT tool holder is a common and more general tool holder, suitable for conventional milling, drilling and other cutting processes. Its taper angle is 7/24.
4. CAT (Caterpillar) tool handle: CAT tool handle is an American standard tool handle, also called V-flange tool handle. It is widely used in the North American market and is suitable for drilling and milling processes.
