• NEMA 17 Bipolar Gearless Stepper (42STH38) - 1.8° Step Angle

This NEMA-17 motor generates 3.6 Kg-cm of holding torque at 1.7 Amps, stepping angle is 1.8°. It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler.

When connected to a 1067 - PhidgetStepper Bipolar HC, the 3324 has a maximum speed of 4130 RPM.


Motor Properties

Motor Type Bipolar Stepper
Manufacturer Part Number 42STH38-1684B
Step Angle 1.8°
Step Accuracy ± 5 %
Holding Torque 3.6 kg·cm
Rated Torque 3.3 kg·cm
Maximum Speed (w/1067 Motor Controller) 4130 RPM
Acceleration at Max Speed
(w/1067 Motor Controller)
1E+06 1/16 steps/sec²

Electrical Properties

Recommended Voltage 12 V DC
Rated Current 1.7 A
Coil Resistance 1.7 Ω
Phase Inductance 3.2 mH

Physical Properties

Shaft Diameter 5 mm
Rear Shaft Diameter 3.9 mm
Mounting Plate Size NEMA - 17
Weight 289 g
Number of Leads 4
Wire Length 300 mm




The following diagram shows how to connect the motor wires to the board connectors to produce a clockwise rotation in the stepper motor when increasing position. To wire for counter-clockwise rotation when increasing position, reverse the red and blue wires.








Note: Make sure to unplug the power cord from the motor controller before switching wires around.

Write a review

Please login or register to review

NEMA 17 Bipolar Gearless Stepper (42STH38) - 1.8° Step Angle

  • Brand: Phidgets
  • Product Code: 3324
  • Availability: In Stock
  • 29.75€

  • Ex Tax: 24.59€

Related Products

PhidgetStepper Bipolar HC

PhidgetStepper Bipolar HC

Description: The PhidgetStepper Bipolar HC (1067) allows you to control the position, velocity,..

95.59€ Ex Tax: 79.00€

Optical Rotary Encoder HKT22

Optical Rotary Encoder HKT22

Description: This compact, economical optical quadrature encoder can be attached to the 4mm rea..

29.95€ Ex Tax: 24.75€