•        34 = NEMA34, 8  = 8 wires, 4 = 4 wires, A = Single shaft, B = Dual Shaft
•        The 8 wires stepper motor can be easily wired as unipolar or bipolar mode
•         1 N. m is about  141.6 oz-in

1:   NEMA 17 BIPOLAR STEPPER MOTOR 62 oz-in ( dual shaft)

62 Oz In. Hybrid
1.8° /200 Steps Per Rev.
1.68 Amps Current Per Phase
4-wire  Bi-polar
NEMA 17 Frame

KL17H247-168-4B (1/4" dual shaft with a flat)  
Specification  Price: $20





2:   NEMA 17 BIPOLAR STEPPER MOTOR 32 oz-in (single shaft used for Robotic machine)

32 Oz In. Hybrid, Single Shaft
1.8° /200 Steps Per Rev.
0.33 Amps Current Per Phase
4-wire  Bi-polar
NEMA 17 Frame

KL17H234-033-4A (1/4" Single shaft with a flat)  
Specification  Price: $12.95 (out of stock now)