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Productdetails:
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3D CNC Control Rotary Axis Special For Engraving The Jewellery And Ring Quick Detail: Mainly used for rings, bracelets and special shape metal, nonmetal workpiece inside and outside surfaces engraving. Description: For fixed cylindrical, annular and irregular shape of object, with marking machine to engraving on the surface. Mainly used for rings, bracelets and special shape metal, nonmetal workpiece inside and outside surfaces engraving. Chuck diameter:40mm External jaw