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

Feature: 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. Specification: Item Type: Extension Rod Product Material: 40Cr + Carbon Steel Hardness: 4546HRC Head Diameter: Approx. 18mm 0.7in Clamping Range: Approx. 17mm 0.040.28in Adapter Collet: ER11 Thread Type: A Tool Shank Diameter: Approx. 10mm 0.4in . Package List: 1 x Tool Holder1 x Wrench Note: 1. Incorrect assembly may damage the accuracy of the nut and spring2. Only the matching collet chuck can be used to assemble the nut3. Do not clamp tools that exceed the clamping range40CR MATERIAL: Made of excellent 40Cr material, with high strength and concentricity, effectively suppressing vibration. INTEGRATED MOLDING: The inside and outside of the tool holder is integrally formed, with fine processing, the performance is stable. FOR MACHINE TOOL: After inner hole grinding treatment, suitable for high accuracy machine tool processing, with strong practicability. QUENCHING PROCESS: Using carburizing and quenching process, with high hardness and interface fatigue resistance. STANDARD SIZES: With standard shank Diameter and thread, is suitable for ER11 collet, and the clamping range is 1?7mm.