ER16 Spring Collet Chuck 8mm For CNC Milling Lathe Engraving Tool 40Cr Steel Hardened High Precision 0.015mm Tolerance Outer Diameter 17mm Overall Height 27.5mm Ideal For Quick Tool Changes

ER16 Spring Collet Chuck for CNC Milling and Engraving 1x
✔️ 8 mm clamping, 0.015 mm tol, OD 17 mm, H 27.5 mm (1.08 in)

This ER16 spring collet chuck is a high-precision tool holder designed for CNC milling, boring, drilling, engraving, and spindle work. Built from 40Cr steel and fully hardened, it delivers sturdy clamping and quick tool changes for consistent results.

✅ Clamping diameter: 8 mm
✅ Outer diameter (max): 17 mm
✅ Overall height: 27.5 mm
✅ Material: 40Cr steel, hardened
✅ Precision tolerance: 0.015 mm

💡 What is a spring collet chuck used for in CNC milling and engraving setups?

It’s a handy tool holder that secures cutting tools in CNC mills and lathes, enabling quick changes and a firm grip. - Holds ER16 collets and compatible tools securely for milling, drilling, engraving
- Improves changeover speed and repeatability in high-speed spindle work
- Built-in self-release design helps prevent tools from sticking in the holder