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Feature: 1. Firm in Clamping: Ensuring firm clamping with good elasticity, this spring collet will largely improve both working efficiency and performance.2. Practical to Use: Widely used on the ER spindle of machining center, accuracy engraving machine and various engraving machines, very useful. 3. Reliable Working: The cooling water in the milling cutter can directly cool the milling cutter during processing ensure the blade stability. 4. Fine Workmanship: Having been through fine grinding and quenching, the cemented carbide material is not easy to deform or crack, very reliable. 5. Great Durability: Comes with low temperature impact toughness, the spring collet chuck also has excellent durability for long term using. Specification: Item Type: Collet Chuck Package List: 1 x Collet Chuck1 x Storage Box |