ER40 Spring Collet Chuck for CNC Milling and Lathe Engraving Machines 22mm Clamping Diameter 40Cr Steel Pro Grade Collet Holder Durable High Precision Tooling for Drilling Milling Reaming Tapping

ER40 Spring Collet Chuck for CNC Milling and Lathe
✔️ 22 mm clamp (0.87 in), 46 mm length (1.81 in), 41 mm body (1.61 in), 40Cr steel, ER40 adapter

The ER40 Spring Collet Chuck is a high-precision clamping accessory designed for CNC milling machines, drilling machines, engraving machines, and other high-speed toolwork. It securely grips cutting tools to minimize runout and slipping during operations, making it a handy upgrade for workshop CNC setups.

✅ Material: 40Cr steel for high strength and toughness
✅ Length: 46 mm (1.81 in); Wide diameter: 41 mm (1.61 in)
✅ Adapter clamping diameter: 22 mm
✅ Package: 1 piece ER40 spring collet

💡 What is a spring collet chuck used for in CNC machines? This handy tool holds tooling securely for precise, repeatable machining. - For drilling, milling, reaming, tapping, and engraving - Improves grip, reduces runout, and increases rigidity - Quick tool changes by loosening the nut and sliding the collet