Laser Machine Rotary Attachment Simpler for CO2 Laser machine NEMA 17(42BYG)

Stepping motor: NEMA 17(42BYG). Two-phase four-wire stepping motor. Hope for your understanding. A+(Red), B+(Yellow) ,A-(Green), B- (Blue). ▲ 6 months' warranty for the machines, not for the consumables.

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