ER20 Collet Chuck Set Four Pieces One Eighth Inch Spring Steel Precision Tool Holders For CNC Lathe Milling Drill Press EDM Machines And Small Mini Routers

ER20 Collet Chuck Set: 4-Piece Precision Tool Holders
✔️ Includes four ER20 collets for 1/8 in tooling with quick-change

This ER20 collet chuck set includes four pieces designed for precision holding on CNC lathes, mills, drill presses, EDM machines, and small routers. Each chuck is built for tight grip and durable performance in demanding machining environments.

✅ Ultra-precision runout under 5 µm (0.0002 in) for high-accuracy milling
✅ Quick-change ER20 system enables rapid tool changes to keep production moving
✅ Industrial-grade heat-treated spring steel construction for durability
✅ Clamp range 2.175 to 3.175 mm (0.0856 to 0.125 in) for small tooling
✅ Broad compatibility with CNC lathe, milling, micro router, and EDM machines

💡 What is an ER20 collet chuck used for in CNC milling and turning?

It's handy for securely holding small tooling across CNC machines for precise work.

- Securely holds 2.175 to 3.175 mm tool shanks
- Enables quick-change tool changes to minimize downtime
- Maintains low runout for accurate cuts
- Works with ER20 tooling on lathes, mills, EDM machines