ER20 One Eighth Inch Spring Collet Set For CNC Milling And Engraving, Ultra High Precision 0.008 mm, 5000 RPM, 65Mn Steel, Double Angle Design For Maximum Grip And Parallel Clamping, Router Lathe Tool Holder

High-precision ER20 1/8 in spring collet set for CNC
✔️ 0.008 mm accuracy - 1/8 in range - 65Mn steel - 5000 RPM - double-angle grip

This ER20 spring collet set is designed for precise tool holding in CNC milling, engraving, and routing work. It’s commonly used on CNC routers, milling machines, lathes, and spindle systems to secure cutting tools with parallel clamping and strong gripping.

✅ Accuracy: 0.008 mm (0.0003 in) precision for repeatable tool holding
✅ Size: ER20, 1/8 in range (3.175 mm) for common CNC tooling
✅ Material: 65Mn spring steel, 55HRC hardness for durability
✅ Speed & grip: up to 5000 RPM with double-angle design for parallel clamping

💡 What is an ER20 spring collet set used for in CNC milling and engraving workholding? This handy tool holds cutting tools securely with precision and repeatability. - High-precision tool retention for milling and engraving
- Compatible with CNC routers, milling machines, and spindle tooling
- Double-angle design boosts gripping power and parallel clamping
- 65Mn spring steel construction for durability

✝️