ER25 Collet Chuck Tool Holder Set For CNC Milling And Engraving Machines Four Piece Mill Holder With 70mm Projection Length High Precision 0.0001 To 0.0002 Inch Tolerance Fits Drilling Machines Milling Machines And Lathes

ER25 Collet Chuck Set for CNC Milling, 4-Piece, 70mm Reach
✔️ 4 pcs ER25 chucks; 70 mm (2.76") projection; 0.0001-0.0002 in tol

The ER25 collet chuck tool holder set is a high-precision collection designed for CNC milling and engraving work. This four-piece kit integrates with standard CAT40 spindles and drill/milling machines, enabling tight tolerance toolholding and quick, reliable tool changes in busy shop environments.

✅ 4 pcs CAT40-ER25 collet chucks with 2.76" (70 mm) gage length
✅ 0.0001-0.0002" tolerance (max)
✅ Fully ground flange and V-groove for easy tool changes
✅ Drawbar threads: 5/8"-11
✅ Fits Drilling Machine, Milling Machine, CNC Chuck or Holder

💡 What is an ER25 collet chuck used for in CNC milling and engraving setups? A handy, general-use explanation helps you decide if this style fits your shop. - It securely grips ER25 collets and standard tools for accurate machining - Compatible with CAT40 spindles and 5/8"-11 drawbars for strong retention - Provides 70 mm projection length for extended reach and stability