2 motori passo-passo Nema 16 2 m GT2 robot a cinghia stampante 3D movimento lineare cursore CNC
2-Phase Uni-Polar Stepper Motor. Strong enough to driver 3D printer XY axis. New Open Timing Belt: 2mm pitch x 6mm wide. Pulley Pitch 2mm. A+ | A Common | A- | B+ | B Common | B-.