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Brand Name : Vic-Tech
Model Number : 20BYGH
Certification : RoHS
Place of Origin : China
MOQ : 1Unit
Price : $6~$14.5/Unit
Payment Terms : T/T, Paypal, Credit card
Supply Ability : 10000 pc/Month
Delivery Time : 10~20 days after the sample fee is paid
Packaging Details : The product is packed with pearl cotton, and the outside is in a carton.
Motor type : Hybrid stepper motor
Motor size : 20mm (NEMA 8)
Step angle : 1.8°/step
Motor length : 28mm/40mm
Phase No. : 2 phases
Mounting holes : 4*M2 screw holes
NEMA8 20mm size 2 phases 4 wires D shaft hybrid stepping motor
Description:
This NEMA8 motor is 20mm size hybrid stepper motor.
It has 1.8° step angle, which means it takes 200 steps to rotate one turn.
We have 28mm and 40mm length.
40mm has bigger torque, and 28mm has smaller size.
Customers can choose the length based on their torque and space requirement.
Motor parameters:
| Motor length (mm) | Holding torque (N*m) | Rate current (A/phase) | Resistance (Ω/phase) | Inductance (mh/phase) | Rotational inertia (g*cm) | Weight (KG) | 
| 28 | 0.018 | 0.6 | 6.5 | 2.2 | 1.6 | 0.04 | 
| 40 | 0.035 | 0.8 | 6.5 | 2.5 | 2.9 | 0.06 | 
Design drawing:

Product display:

Application of stepper motors:
Stepper motors are used for precise control, widely used on medical equipment, 3D printer, industrial precise control, automation equipment, etc.
Stepper motors can be used in any mechanisms requirement precise conrtol and rotational/linear movement.
Advantage of stepper motors:
Stepper motor can reach precise control even without close-loop encoders / without feed back system, also they do not have electrical brushed. Thus there is no electromagnetic interference and electrical sparks issues. In some cases, they can replace DC brushed motors/ brushless motors.
Stepper motors are easy to control with drivers, and this feature establish its important position in the field of precise control.
1. Precise control achievable, programmable
2. Without electromagnetic interference & electrical sparks
3. Small size
4. Reasonable price
5. Low noise
6. Long service life
Packaging and Shipping information:
Samples are packed with foam sponge inside paper box.
For mass production, products are packed in paper carton.
For sea shipping (Mass production), cartons are packed on pallet.
Shipping time:
By express(DHL/ UPS/ Fedex/ TNT): 5~12 days
By 4PX express: 10~20 days
Sea shipping: 40~60 days (depends on different countries)

Our company information:
Changzhou Vic-tech Co., Ltd is founded in 2011. It has been specializing in producing micro motors and accessories , with over 20 years of R&D experience in motor industry.
After ten years of continuous innovation and development, we started to expand international business, with exports to Europe, South America, Canada, USA, Asia, and Australia.
We offer OEM/ODM service, and ensure timely response, personal test, safe packaging, on time delivery. One of the biggest reasons behind this success is our efficient after-sale service, ensure timely and professional assistance for clients.
FAQ:
1. Are you a manufacturer or a trader?
We are a manufacturer. We produce motors ourselves.
2. Where is your factory? Can we visit your factory?
Our factory is located in Changzhou city. Feel free to visit us if you want.
3. Do you provide customized samples/ free samples?
We are able to do customization on samples, and it cost extra customization cost.
No, we don’t send free samples.
4. What’s the lead time on samples?
For samples in stock, lead time is within 3 days.
For samples not in stock, lead time is about 15 days.
For customized samples, lead time is about 25 to 30 days.
5. What customization service do you provide?
We have a developing team for over 20 years experience.
We provide customization service on all sorts of motor’s components.
From motor’s slider, lead screw, gearboxes design.
To cable length, connector type, and FPC design.
6. Can we sign a NDA contract if we want to develop a new product?
Yes, we can sign NDA contract and protect your confidentiality.
Feel free to contact us if you have a new project to develop.
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