Integrated stepper motor MIS340 now available with hollow shaft. Electrical wires or pneumatic tube can be guided through the Ø12mm hollow shaft. Alternative can motor be mounted together with a ballscrew. Outer shaft diameter are 15mm and inner diameter are 12mm. Front shaft 18mm long and rear end shaft 5,3mm long can be machined to customer request. E.g. a bore hole, keyway or thread bore can be made. Only available in size MIS340. H2 encoder not possible, all other options like Ethernet and Wireless are available.
Find CAD drawing here.