1 x 2.2KW Air Cooled Spindle Motor ER20 (220V,24000rpm,4 bearing,400Hz,80x230mm). 2.2KW ER20 Air-cooled Spindle motor Engraving milling Grind. Collet size: ER20 3.175 mm,4mm ,6 mm,8mm,10mm,12.7mm (one spindle with 1 collet).
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