... 1. 3.5 kw aircooling, 18000rpm 2. aircooled 3.for cnc router use, engrave or cut on wood, acrylic electric ... spindle for cnc1. 3.5 kw aircooling, 18000rpm2. aircooled3.for cnc router use, engrave or cut ... . Transport: by air or by ocean .Moq: 1set electric spindle for cnc