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Mechanical Motion Parts for Better Fit, Drive, and Alignment
The Stepper Motor with 18cm Lead Screw: Bipolar, 200 Steps/Rev, 42×38mm, 2.8V, 1.7 A/Phase is a practical motion hardware from Circuitrocks for students, makers, and repair-friendly builds. It fits well in projects that need mechanical fit and mounting, while keeping setup straightforward for testing and prototype work.
Compared with generic parts, this product stands out through details such as Bipolar motor, 18cm, 200 Steps. That makes it a solid choice for Arduino, ESP32, Raspberry Pi, robotics, motion-control, and workshop projects where matching the right part from the start saves time.
Important: Always match the electrical rating, size, and control method of this part with the rest of your setup before full-power testing.
Why you'll love it
- Bipolar motor design: useful when paired with the correct driver for controlled motion
- 18cm: gives you a quick spec reference before choosing the right part
- 200 Steps: gives you a quick spec reference before choosing the right part
- 38mm: gives you a quick spec reference before choosing the right part
- 2.8V: gives you a quick spec reference before choosing the right part
- 1.7 A: gives you a quick spec reference before choosing the right part
What you can build
This product is a good fit for linear motion systems, brackets, shaft support, pulleys, couplers, and custom mechanical assemblies. It works especially well in student projects, quick repairs, and prototype builds where part availability, straightforward hookup, and predictable results matter.
Starter bundles
This works best when matched with the correct motors, shafts, brackets, bearings, belts, or fasteners already planned for your build.
Recommended add-ons
Common add-ons include matching shafts, bearings, pulleys, belts, couplers, and motor mounts. You can also compare it with Lead Screw T10 1000mm Stainless Steel, Lead Screw T10 300mm Stainless Steel.
Comparison table
| Compared Product | Best For | Key Difference | Direct Link |
|---|---|---|---|
| Lead Screw T10 1000mm Stainless Steel | mechanical fit and mounting | 1000mm | View product |
| Lead Screw T10 300mm Stainless Steel | mechanical fit and mounting | 300mm | View product |
| Lead Screw T10 500mm Stainless Steel | mechanical fit and mounting | 500mm | View product |
Technical specifications
| Product | Stepper Motor with 18cm Lead Screw: Bipolar, 200 Steps/Rev, 42×38mm, 2.8V, 1.7 A/Phase |
|---|---|
| Brand | Circuitrocks |
| Product Type | Motion Hardware |
| Primary SKU | POL2689 |
| Key Specs | 18cm, 200 Steps, 38mm, 2.8V, 1.7 A, 38 mm |
| Product URL | https://circuit.rocks/products/stepper-motor-with-18cm-lead-screw-bipolar-200-stepsrev-4238mm-28v-17 |
Pinout & power notes
This is a passive mechanical part, so there are no electrical pins to wire. Focus on shaft size, thread pitch, mounting hole spacing, and alignment in the final assembly.
What’s in the box
1 × Stepper Motor with 18cm Lead Screw: Bipolar, 200 Steps/Rev, 42×38mm, 2.8V, 1.7 A/Phase
Frequently Asked Questions
Can this work with Arduino or similar boards?
Yes, as long as the voltage, control method, and wiring match your controller and power supply.
Does this need electrical wiring?
No. These are passive or mixed-use parts, so fit, size, mounting, and included components are the main checks before use.
Is this good for student and prototype builds?
Yes. It fits well in testing, learning, and proof-of-concept projects when matched with the right support parts.
How do I choose the right one?
Check the hole size, shaft fit, thread pitch, spacing, and overall dimensions before ordering.
Manila stock. Order before 16:00 PHT, ships today via J&T or LBC. Provincial: 1–3 working days.
Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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