ER20 Motor Shaft Spindle Adapter, 12mm CNC Milling, Made of Imported 40Cr Alloy Steel with Storage Box for Deep Processing

Item Type: Motor Shaft Spindle Material: 40crPackage List：1 x Spindle 1 x Storage Box

• High Precision & Wear Resistance: This ER20 motor shaft spindle adapter features and excellent wear resistance thanks to quenching processing, ensuring consistent performance during demanding CNC milling tasks and extended tool life even under heavy use.
• Enhanced Mechanical Properties: The motor shaft adapter undergoes vacuum hardening to boost hardness and deliver strong comprehensive mechanical properties, making it ideal for high-efficiency machining and reliable operation in professional workshop environments.
• Designed for Deep Processing: With a straight extended shank, this CNC milling adapter effectively increases processing depth, allowing you to reach deeper cavities or complex geometries—perfect for machinists, hobbyists, and industrial users needing versatile tooling solutions.
• Premium 40Cr Alloy Steel: Crafted from imported 40Cr alloy steel, this motor shaft spindle adapter offers superior durability and structural integrity, resisting deformation and maintaining alignment during high-speed or high-torque operations in milling applications.
• Includes Protective Storage Box: Your ER20 collet chuck comes neatly packed in a durable storage box for safe transport and organized storage, keeping your precision tool protected from dust, impacts, and damage when not in use on the CNC mill.