Straight Shank Tool Holder ER11 Collet Chuck Extension Rod with Wrench CNC Milling AccessoriesC10ER11A150L 150mm

1、40CR MATERIAL: Made of excellent 40Cr material with high strength and concentricity effectively suppressing vibration. 2、INTEGRATED MOLDING: The inside and outside of the tool holder is integrally formed with fine processing the performance is stable. 3、FOR MACHINE TOOL: After inner hole grinding treatment suitable for high accuracy machine tool processing with strong practicability. 4、QUENCHING PROCESS: Using carburizing and quenching process with high hardness and interface fatigue resistance. 5、STANDARD SIZES: With standard shank diameter and thread is suitable for ER11 collet and the clamping range is 1?7mm.