Description: Machifit 42 stepper motor dual shaft Nema17 1.3A 0.30N 42BYGH34-1304B engraving machine fits for 3D printer CNC tools. Specification: Model: 42BYGH34-1304B Body height: 34mm Shaft diameter: Φ5mm, D-axis Shaft high: 23mm Rront axle length : 20mm Socket type (rear): 10mm Outgoing mode: Two-phase four outlets (Black A + Green A / Red B + Blue B - ) Scope: Widely used for 3D printers, monitor equipment, medical/textile/packaging machinery, stage lighting, ect. Model No. Step Angle Rated Current /Phase Resistance /Phase Inductance /Phase Holding Torque Rotor Inertia Thickness (°) A Ω mH N.m g.c㎡ mm(Inch) 42BYGH34-1304B 1.8 1.33 2.1 2.5 0.3 35 34(1.33) Axis type optional: N round optical axis, P milling single flat table Shaft exit mode optional: A single-end shaft exit, B two-end shaft exit Features: - The motor wire adopts pure copper, copper wire layout is uniform, corrosion resistance, good thermal conductivity, strong electrical conductivity. - Good quality bearing, strong steeliness, high precision, durable. - Stable torque, low temperature, low noise, long service life. Package Included: 1 x 42 Stepper Motor More Details: