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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: LDO MOTORS
  • Model Number: 42STH47-1684A
  • Phase: 2
  • Type: Hybrid
  • Certification: CE, ISO, ROHS
  • Step Angle(degrees): 1.8°(200steps/rev)
  • Holding Torque: 5.0kg.cm, 5.5kg.cm
  • Current / Phase: 1.68A
  • Frame size: 42*42mm
  • Leads: 4
  • Shape: Square
  • Usage: Industrial
  • Protect Feature: Enclosed
  • Function: Control
  • Speed: Low speed
  • Free Sample Quantity: 1 piece
  • Rated Current: 1.68A

Packaging & Delivery

Packaging Details Standard Export Packing
Delivery Time within 3 days after confirm the order

    1.68A 70 oz.in for 3D Printer & CNC Hobbyist Nema 17 47mm stepper motor


Product Description


The 42mm Hybrid Stepper Motor Series is a versatile family of motors suitable for a wide range of applications. Use with a microstepping driver to reduce vibration and achieve higher step resolution. Choose a baseline version or request your own customized configuration.


  • Bipolar or unipolar versions available
  • Hybrid stepper construction
  • Available in single or double shaft versions
  • CE and RoHS approved
  • Customizations on request

The LDO Advantages:

  • No MOQ limited
  • Keep 2,000pcs Stocks for this standard item. 
  • Quickly response in time
  • Good Pre/After Sales Service
  • Also Available for Customized: Crimped Connector, Shaft Machine, Pulley, etc.  Short Lead Time for Customized




Company Information



Q: How do I choose a suitable stepper motor for my application?

A: There are several important criteria to consider: holding torque, physical size (NEMA size, length of motor etc.), supply voltage, and supply current etc. Once you determine these key criteria, we can find a suitable model for you. Feel free to contact us, we are more than happy to help you with the selection process.  

Q: I need a non-standard motor for my application, can you help?

A: Certainly, most of our customers request custom configurations in one form or another. If you plan on replacing a motor in an existing application, just send us a drawing or sample and we can help you find a suitable replacement. Alternatively, contac    Q: How long should I expect the lead-time/delivery to be?

A:  If you are ordering samples of standard models, we can usually have them shipped and delivered within 5 days by air. When requesting custom motors, please allow us a 4-5 week lead-time.

Q: How are your products delivered?

A: We are very flexible with shipping and have dealings with most major courier services around the world. When placing an order, simply provide us a shipping address and contact information, we will handle the rest. If there is a forwarder or courier you prefer to use, just let us know and we will accommodate.  

Q: What can you tell me about the quality of your motors? 

A: Delivering quality products is an absolute priority for us at LDO. We have test procedures throughout the manufacturing process starting from individual components. If you need a specialized motor from us, we also augment our existing test plans with custom testing solutions. In the rare case that an issue does arise, we will work with you to solve any problems in a timely and transparent manner.

Q: Do you provide OEM services? Can I request my own logo?

A: Yes, we can provide OEM services for volume production. Feel free to talk to us about your branding needs.

Packaging & Shipping


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