1-13mm ER20 Spring Collet Set CNC Workholding Engraving Milling Lathe Accessory

Suitable for boring milling drilling tapping engraving CNC spindle machines and other processing. Strengthful clamping force and wide clamping range widely used in machining centers. Made of high grade specially formulated spring steel owns high accuracy good elasticity and shock resisitance. The ER20 collet set is practical in performance. Pecial angled slots increase rigidity. Use with any standard ER collet chucks for coolant-thru tool applications. Design affords highest gripping power. True double angle fo better accuracy. ER20 collet set is for powerful gripping and parallel clamping. Even with strong clamping force this collect set is not easily deformed.