Auniwaig ER20 Precision Spring Collet Chuck, 1/2" Holder Spring Collet, for CNC Engraving Machine Milling Lathe Tools Workholding Engraving Collets

The ER20 Spring Collet is a high-quality, durable, and versatile tool that is perfect for various machining operations.

With its accurate clamping diameter of 1/2 inch and outside diameter of 21 mm, this collet provides excellent stability and grip on the cutter shank.

Made from 40Cr steel, it is fully hardened and can withstand heavy use.

The total runout is less than 0.0006 inch, ensuring precise cutting results. This product is widely used in CNC, milling machines, engraving machines, machining centers, and other equipment for milling, boring, drilling, tapping, and engraving operations.

The collet is marked with its size, making it easy to distinguish from others.

With its excellent stability and accuracy, the ER20 Spring Collet is an essential tool for any machining operation.