ER20 Spring Collet Five Sixteenths Inch Clamping Diameter For CNC Milling Lathe And Engraving Machines Chuck Tooling Rock Solid 40Cr Steel Precision High Speed Machining Center Compatible

High-Precision 5/16 inch Spring Collet for CNC Milling
✔️ 5/16 inch clamping diameter, 40Cr steel, 1 x spring collet chuck

This spring collet is designed to securely hold cutting tools in CNC milling centers, engraving machines, and high-speed machining setups. It’s commonly used with 5/16 inch tooling to ensure precise tool retention in CNC lathes and milling machines.

✅ 5/16 inch clamping diameter (7.94 mm)
✅ Material: 40Cr steel for rigidity and wear resistance
✅ Applications: machining centers, CNC milling machines, engraving machines, high-speed centers
✅ Pack: 1 x spring collet chuck

💡 What is a spring collet used for in CNC machining? A handy tool for securely holding cutting tools in spindles during milling, engraving, and high-speed machining. - Secure grip reduces tool runout and chatter - Works with standard ER-style chucks and 5/16 in tooling - Made from 40Cr steel for durability

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