Machine Tools AccessoriesChina 1.5kw 300Hz 18000rpm Er20 Square Air Cooled CNC Three Phase Asynchronous Spindle Motor, Find details about China 1.5kw Aircooling Spindle, Spindle for CNC from 1.5kw 300Hz 18000rpm Er20 Square Air Cooled CNC Three Phase Asynchronous Spindle Motor