Chinese wholesale Size 20mm Stepper Motor - Nema 8 (20mm) stepper motor – Thinker
Chinese wholesale Size 20mm Stepper Motor - Nema 8 (20mm) stepper motor – Thinker Detail:
>> Short Descriptions
Motor Type | Bipolar stepper |
Step Angle | 1.8° |
Voltage (V) | 2.5 / 6.3 |
Current (A) | 0.5 |
Resistance (Ohms) | 5.1 / 12.5 |
Inductance (mH) | 1.5 / 4.5 |
Lead Wires | 4 |
Holding Torque (N.m) | 0.02 / 0.04 |
Motor Length (mm) | 30 / 42 |
Ambient Temperature | -20℃ ~ +50℃ |
Temperature Rise | 80K Max. |
Dielectric Strength | 1mA Max. @ 500V, 1KHz, 1Sec. |
Insulation Resistance | 100MΩ Min. @500Vdc |
>> Certifications
>> Electrical Parameters
Motor Size |
Voltage/ Phase (V) |
Current/ Phase (A) |
Resistance/ Phase (Ω) |
Inductance/ Phase (mH) |
Number of Lead Wires |
Rotor Inertia (g.cm2) |
Holding Torque (N.m) |
Motor Length L (mm) |
20 |
2.5 |
0.5 |
5.1 |
1.5 |
4 |
2 |
0.02 |
30 |
20 |
6.3 |
0.5 |
12.5 |
4.5 |
4 |
3 |
0.04 |
42 |
>> General technical parameters
Radial clearance |
0.02mm Max (450g load) |
Insulation resistance |
100MΩ @500VDC |
Axial clearance |
0.08mm Max (450g load) |
Dielectric strength |
500VAC, 1mA, 1s@1KHZ |
Max radial load |
15N (20mm from flange surface) |
Insulation class |
Class B (80K) |
Max axial load |
5N |
Ambient temperature |
-20℃ ~ +50℃ |
>> 20HS2XX-0.5-4A motor outline drawing
>> Torque-frequency curve
Test condition:
Chopper drive, half micro-stepping, drive voltage 24V
>> About us
Our expert engineering team will generally be prepared to serve you for consultation and feedback. Best efforts will likely be produced to provide you the best service and merchandise. When you are keen on our business and products, please speak to us by sending us emails or call us quickly. In an effort to know our products and company extra, you may come to our factory to view it. We will generally welcome guests from all over the world to our business to create business relations with us. Please feel cost-free to speak to us for small business and we believe we’ll share the best trading experience with all our merchants.
Our products have won an excellent reputation at each of the related nations. Because the establishment of our firm. we have insisted on our production procedure innovation together with the most recent modern day managing method, attracting a sizable quantity of talents within this industry. We regard the solution good quality as our most vital essence character.
Product detail pictures:

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The consumer fulfillment is our primary goal. We uphold a consistent level of professionalism, top quality, credibility and service for Chinese wholesale Size 20mm Stepper Motor - Nema 8 (20mm) stepper motor – Thinker , The product will supply to all over the world, such as: Argentina, Japan, Belarus, Our products are exported worldwide. Our customers are always satisfied with our reliable quality, customer-oriented services and competitive prices. Our mission is "to continue to earn your loyalty by dedicating our efforts to the constant improvement of our products and services in order to ensure the satisfaction of our end-users, customers, employees, suppliers and the worldwide communities in which we cooperate".

After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
