Common types of tool holder tapers include:BT (popular in Japan and widely used in CNC machines)SK (DIN69871, commonly used in Europe)ISO (DIN2080, another European standard)HSK (a high-speed, high-precision taper often used in advanced machinery)PSC (Polygon Shank, which offers high torque transmission)

Turning Inserts Grades Comparison Table for brand GESAC, ZCC, WALTER, ISCAR, SANDVIK,KORLOY,SECO