ER Collet Chuck Set Engraving Machine Lathe Mill Spring Chuck CNC Tool Holder

ER Collet Chuck Set Engraving Machine Lathe Mill Spring Chuck CNC Tool Holder. 1Set ER Collet Chuck ER11 ER16 ER20 ER25 ER32 ER40 CNC Milling Tool Holder. Engraving Machine Lathe Mill Spring Chuck CNC.

If you want to change the type, please leave message. Difference between Economy ER and AA ER.

Economy ER accuracy:0.015. AA ER accuracy:0.008. How to know the type of chuck?

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