with Stepper Motor. Sherline PN 8730 CNC Rotary Table, Just plug the A-axis cable from the external 8760 driver box into the matching plug on the stepper motor, Both the Linux EMC and the Windows MACH3/MACH4 software can handle G-code for the A-axis in such way that and numbers entered after the letter “A” in your code are interpreted in degrees,The 8730 rotary table is all you need to turn your Sherline CNC mill into a 4-axis machine.Rotary Table with Stepper Motor. Sherline PN 8730 CNC,Sherline PN 8730 CNC Rotary Table with Stepper Motor., Business & Industrial, CNC, Metalworking & Manufacturing, Workholding & Toolholding, Workholding, Rotary Tables.