... attachment for milling machine.With the help of this dividing head ,the workpiece held can be carried out ... angle of spindle for one complete revolution of dividing handle9°(540 grad.,1'each)Min.reading of ... of the spindle for one complete revolution of dividing handle±45"Cumulate error at any 1/4 ... gear bracket,12×change gear,Jack Carrier, Dividing plate, Flange, 3-jaw chuck, Round table(optinal)