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
✔️ 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