Product Introduction 1. It is made of high-quality alloy steel and carburized, with a working surface hardness of HRC58 to 62 Parallelism: 0.005mm/100mm, perpendicularity: 0.005mm. 3. Quick clamping and flexible operation. 4. It is used for milling, boring, drilling and grinding in CNC machine tools, machining centers and general-purpose machine tools. 5. When in operation, multiple units can be used simultaneously, all of which can maintain high precision