Item Name: PFDE Stepper Motor NEMA 23 Motor Specification: 2 Phase, Step Angle 1.8, NEMA 23 (57 x 57 mm) PCs in Item: 1 Manufacturer: GuangDong, China Model Step Angle Holding Torque Phase current Length Shaft Length Shaft Diameter 57HS09 1.8 1.2N.m 3A 55mm 21mm 8 mm 57HS21 1.8 1.8N.m 3A 76mm 21mm 8 mm 57HS22 1.8 2.3N.m 3A 82mm 21mm 8 mm 57HS250D 1.8 2.5N.m 3A 100mm 21mm 8 mm 57HS250H 1.8 2.8N.m 3A 112mm 21mm 8 mm
