stepper motor driver tb6600 upgrade s109aftg10 nema 23 nema 34 42/57/86 nema17 4a dc9-42v 1 axis stepping motor cnc

features: 1.adopting motor steel material, with high torque, low self-inductance reactance, responsive and can avoid system error. 2.there is rotor rubber covering the rotor, effectively reduce the noise. 3.this small motors can be used in various area, such as stage lighting; laser engraving; textile machinery; equipment; placement machine; non-standard equipment; 3d printer; automation equipment, and etc. descriptions: 1.and durable in use.