Manufacturer: Portescap Danaher Motion US L  •  RoHS/pb-free: RoHS   Pb-free  •  Series: 55M  •  Type: Standard  •  Coil Type: Unipolar  •  Steps per Revolution: 48  •  Voltage - Rated: 12VDC  •  Step Angle: 7.5°  •  Holding Torque (oz-in / mNm): 23 / 163  •  Diameter - Body: 2.17" (55.12mm)  •  Diameter - Shaft: 0.250" (6.35mm)  •  Mounting Hole Spacing: 2.63" (66.68mm)  •  Lead Length: 12.00" (304.80mm)  •  Other PartNo: 403-1017