Blue Aluminium Alloy Fixed Coupling/Motor Coupling/Shaft Coupler 5mm To 8mm for 3D Printer and Cnc

Fixed couplers are used to connect stepper servo ac dc motors to ball screw or lead screw they are widely used to build 3d printer, cnc router, cnc plasma, cnc mill, cnc laser and many automation machines. Widely used in hardware, molds and the occasion of the mechanical transmission.