Features Of ER Collets ER collets achieve high precision for accuracy applications associated with tools with runout ≤0.005mm. Due to the low cost of materials, they are the most preferred for clamping a milling, drilling, or any other type of machine tool. Their design makes the changing process nut tightening. This, along with small costs, makes ER collets the favorite in CNC machining centers. They split provide for even greater uniform clamping force. ER11 (0.5-7 mm tools) to ER50 (32-50 mm) offers devices of various sizes at ER's favorable price.
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