ER40 Collet Lathe Chuck Carbon Steel Heavy Duty Compact Replacement 80 mm Diameter For CNC Milling Machines Back Plate Mount Ready Perfect For Lathe Work Milling And Engraving

Single unit ER40 Collet Chuck for Lathe & Milling
✔️ Diameter ~80mm (3.15in); ER40 7-hole; carbon steel; 0.005 in accuracy

This ER40 clamping collet chuck is designed to mount on back plates for lathe or milling machine use. It’s a handy choice for CNC engraving, turning, and other precision toolholding tasks where slip resistance and rigidity matter.

✅ Model: ER40(7 holes) back plate compatible
✅ Diameter: 80mm (3.15in) approx
✅ Material: Carbon steel for durability and stiffness
✅ Accuracy: 0.005 in tolerance
✅ Package: 1 x Clamping Collet Chuck
✅ Suitable for lathe and milling machines, including CNC engraving

💡 What is a clamping collet chuck used for in metalworking? This handy tool helps secure workpieces on lathes and CNC mills, improving grip and precision.
- handy for securing workpieces on turning and milling tasks - ER40 collet chuck compatibility with back plates and engravers - improves grip, stability, and durability for toolholding