ER25 216mm Spring Collet for CNC Milling and Drilling with 5um Tolerance
Model: ER25. 1 ER25 collet chuck. T.I.R.: 0.0003" or 5um. Suitable for boring, milling, drilling, tapping, grinding, engraving, CNC, spindle machines. Use with any standard ER collet chuck for cooling through tool applications.