ER20 Spring Collet Chuck – Precision, Durability, and Reliable Performance Key Specifications: Model: ER20 Clamping Range: 1/8 inch Accuracy: 0.008 mm (0.0003 inch) Outer Diameter: 21 mm (0.83 inch) Total Length: 31.5 mm (1.24 inch) Package Contents: 1 piece ER20 Spring Collet Chuck Material and Build Quality: Manufactured from 65Mn quality spring steel for durability Fine workmanship with hardness up to HRC55 for reliable wear resistance Corrosionresistant finish to maintain performance over time elasticity for a secure and steady grip on workpieces Performance and Advantages: Maintains precise and stable positioning of workpieces during clamping Designed for repeatable accuracy in CNC and manual machining tasks Strong grip strength reduces vibration and improves machining quality Compatibility and Applications: Ideal for use with general milling machines, CNC milling machines, engraving machines, and spindle machine tools Suitable for milling, drilling, tapping, and engraving operations across various materials for precision machining tasks where tight tolerances are critical Example Use Scenarios: 1. Achieving consistent precision in CNC milling when producing small, intricate components. 2. Securely holding tools for engraving detailed patterns on metal or plastic parts. 3. Performing accurate drilling or tapping on a milling machine without tool slippage. The ER20 Spring Collet Chuck delivers reliable clamping with precision, making it a dependable choice for professionals who require accuracy and durability in their machining operations.