Replacement Parts › DWC Z Axis Flex Coupler Image 1 of 2 Image 2 of 2 DWC Z Axis Flex Coupler $22.00 DWC CNC Motor to Z Axis Lead screw Flexible Coupling. stepper motor to lead screw couplingType: Shaft Flexible parallel couplingMaterial: Aluminium Purchase Added! DWC CNC Motor to Z Axis Lead screw Flexible Coupling. stepper motor to lead screw couplingType: Shaft Flexible parallel couplingMaterial: Aluminium Related Products DWC2440 Control Box Fan $27.99 DWC2440 Jog Control Pendant $75.00 Hitachi/Metabo M12VC Router Brushes $7.00 Bosch 1617 Router Brushes $25.00 MK3-4 PlanetCNC TNG Controller Conversion Kit $525.00