ER40 Spring Collet Set For Quarter-Inch Shank CNC Milling Lathe Engraving Machines, Pro-Grade High-Precision 0.015mm Tolerance, Suitable For Machining Centers And High-Speed Mills, Two-Piece Pack For Quick Tool Swaps

ER40 Spring Collet Set for 1/4 inch Shank CNC Tools (2pc)
✔️ Pro-Grade ER-40 1/4 inch collet, 40Cr steel, 0.015 mm tol, 2 pcs

These ER-40 spring collets provide precise, secure tool holding for quick tool changes on CNC milling machines, engraving machines, and machining centers. This two-piece set is designed for fast swaps and consistent clamping on 1/4 inch shanks.

✅ 1/4 inch clamping diameter
✅ Material: 40Cr steel
✅ Precision: ±0.015 mm (0.0006 in) tolerance
✅ Pack: 2 pcs per set
✅ Applications: machining centers, CNC milling, engraving, high-speed mills

💡 What is an ER-40 spring collet used for in CNC machining?

This handy tool holder lets you swap 1/4 inch shank cutters quickly while maintaining precise grip.

- Supports 1/4 inch shanks in milling and engraving machines
- Provides consistent grip with tight tolerance for repeatable cuts
- Compatible with machining centers and high-speed mills for reliable performance✝️