ER40 Spring Collet Set CNC Super Precision Milling Workholding Lathe 12 PCS Tool
ER40 Spring Collet Set. Model: ER40. 12 x ER40 Spring Collet Set. This ER collet is used for CNC milling lathe tool and workholding engraving machine. Collet must be placed into collet chuck nut before inserting into collet chuck.