electric spindle for cnc 1. 3.5 kw aircooling, 18000rpm 2. aircooled ... cnc router use, engrave or cut on wood, acrylic electric spindle for cnc1. 3.5 kw aircooling, 18000rpm2. aircooled3.for cnc ... , acrylic,stainless steel, aluminium, brass ane etc . 4 .comes with spindle collets , connections .Actual weight : 10 kg . Transport: by air or ...