Rigid Shaft Coupling For CNC Motor Shaft Joint Coupler Connector 4mm -35mm
4mm to 4mm. Can be connected with servo motor, stepper motor, encoder, screw drive, machinery, etc. 4mm to 5mm. 4mm to 6mm. 4mm to 6.35mm. 4mm to 7mm. 4mm to 8mm. Rigid coupling ,clamping fixed, not easy to slide.