Description: 1/4 Inch ER20 Chuck Collet for CNC Milling Lathe Tool and Spindle Motor Features: -The most accurate ER20 collet in the industry- average 0.0002?? Total Indicated Runout (T.I.R.) - Precision ground, hand inspected & Best materials , grinding techniques. - Strong clamp force, wide clamping range. - Specially formulated spring steel. - Hardened and precision ground. Specification: Type: 1/4" ER20 Weight: 45g Length: 33mm Diameter of Excircle: 21mm Package included: 1x ER20 Collet More Details:
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