3 Pc NEMA17 - 42HD2037-01 - 1.5A - 33mm Stepper Motor with 4 wire Z1
Shaft: 5mm single flat, used with 5mm bore pulleys.
Dimensions: 42 mm x 42 mm x 33 mm (L x W x H)Movement angle: 1.8 degreesResistance / Phase: 2.0 Ω ± 10 % (20 ℃).Current / Phase: 1.5 A.Holding torque: 0.22 NmInductance / Phase: 2.8 mHWeight: 0.22 kg