several different types of drilling tools are shown in this image with the words de dk on it
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ER11 ER16 ER20 ER25 ER32 ER40 Set ER Spring Collet Chuck 0.015mm for CNC Milling Tool Holder

ER11 ER16 ER20 ER25 ER32 ER40 Set ER Spring Collet Chuck 0.015mm for CNC Milling Tool Holder

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