ER Spring Collet Chuck for CNC Milling Tool Holder Engraving Machine Lathe New

ER11 ER16 ER20 ER25 ER32 ER40 Set ER Spring Collet Chuck 0.015mm 0.008mm for CNC Milling Tool Holder Engraving Machine Lathe. Accuracy: 0.015mm Material: 45#. Accuracy: 0.008mm Material: 65Mn.

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