3pcs  6-lead Nema23 stepper motor 23HS6620B. 

stepper motor ---23HS6620B

Detailed information:

• Model: 23HS6620B
• Frame Size: Nema 23
• Step Angle: 1.8 degree
• Voltage: 3.6V
• Currrent: 2.0A/phase
• Resistance:1.8Ohm/phase
• Inductance:2.5mH/phase
• Holiding Torque: 0.9N.m
• Rotor inertia: 300 g.cm2
• Detent torque:
• Leads Number: 6
• Weight: 0.7KG
• Length: 56mm
• Motor shaft:6.35mm