• Changzhou Vic-Tech Motor Technology Co., Ltd.
    Andres Blanco
    The thruster have arrived correctly. I tested them on the ROV and we are very happy with the result. The epoxy interior finish is very good and the power of the motors in relation to the size is quite good.
  • Changzhou Vic-Tech Motor Technology Co., Ltd.
    Gregoire Lange
    The cooperation between Changzhou Vic-Tech Motor Tech and our company was just great. Good understanding of our needs, great willing to solve our problems. I recommend !
  • Changzhou Vic-Tech Motor Technology Co., Ltd.
    David Molevelt
    Professional and clear communication. Order was shipped in time. Counter connectors where added to the shipment. Driver works like we agreed !
  • Changzhou Vic-Tech Motor Technology Co., Ltd.
    Buildstorm Private Limited
    The product works as expected, it was packed nicely. Seller responds very quickly and helps in making a buying decision. They are ready to customize the product for you.
  • Changzhou Vic-Tech Motor Technology Co., Ltd.
    Ashley Griffin
    Shipment was received very quickly. Product was well protected by packaging. Company rep was cordial and kind. A Plus rating!
Contact Person : Kangtai Lee
Phone Number : +86 17715451401
Whatsapp : +8617715451401

8mm Diameter 18 Degree Step Angle Linear Stepper Motor With Customizable M2 Lead Screw $1.5~$5/Unit

Place of Origin Jiangsu, China (Mainland)
Brand Name VIC-TECH
Certification RoHS
Model Number SM0818
Minimum Order Quantity 1Unit
Price $1.5~$5/Unit
Packaging Details Selling Units: Single item plastic box inner , outer paper box Package: single carton packing, 100 - 1000 pieces per box. Lead Time : 30 Days After Deposit
Delivery Time 15-30 work days
Payment Terms T/T, Western Union, MoneyGram
Supply Ability 1000000 Units/year

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Step Angle(degrees) 18 Phase 2
Voltage 5V Resistance 6Ω±7%
Weight 5g Rotation CW/CCW
Type Permanent Magnet Lead Screw M2 Lead Screw
Lead Screw Length Customizable
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Product Description

SM0818 8mm diameter 18 degree step angle linear stepper motor with M2 lead screw

SM0818 motor is a 8 mm diameter stepper motor with M2*0.4P lead screw on top.

This is M2 standard lead screw, customers are free to customize lead screw’s type and length.

For example, lead screw could be replaced with M3 lead screw.

Other parameters such as cable length and resistance are all customizable.

Mechanical Dimension:MM

8mm Diameter 18 Degree Step Angle Linear Stepper Motor With Customizable M2 Lead Screw $1.5~$5/Unit 0

Typical Applications

The application fields of 8mm miniature stepping motors include but are not limited to:


Smart security products: 8mm stepping motors are widely used in security cameras, CCTV cameras and intelligent locks for their high torque and precision. They can achieve precise rotation and positioning needed by these devices.


Camera lenses: Thanks to their compact size and stable performance, 8mm stepping motors can precisely rotate and adjust camera lenses to achieve auto-focus functions. They are key components inside DSLR lenses, lens modules and lens turrets.


Wearable devices: As wearable technology develops, there is an increasing demand for small size and low power motors. The 8mm stepping motor, with its miniature size and efficiency, can power rotating parts in wearable gadgets like smartwatches, AR glasses, robotic limbs, etc.


Door locks: The high torque performance of 8mm stepping motors enables them to repeatedly drive locking mechanisms of smart door locks at a precise angle. This ensures smooth and accurate locking and unlocking operations.


due to their small size, low power consumption and precise positioning capability, 8mm stepping motors have found wide use in various applications requiring compact motors with stable performance, especially in the fields of smart home, IoT, robotics and automation.


Model No. SM0818
Motor type 8mm linear stepper motor
Rated voltage 5V DC
Coil resistance 6Ω(customizable)
Lead screw type M2*0.4P
Lead screw length 12.5mm(customizable)
Drive mode 2-2 phase excitation
Step angle 18°
Pull-out torque >3.5g*cm at 500 PPS
Drive mode 2-2 phase excitation


Competitive Advantage


Small size: At only 8mm in diameter, these motors are remarkably compact compared to standard sized motors. Their small size makes them suitable for applications where space is limited.


Low power consumption: Due to their simple and miniaturized structure, 8mm stepping motors consume very little power, This low power draw enables longer battery life in portable devices.


Precise positioning: Stepping motors achieve positioning by receiving stepping pulses. The 8mm motors can offer high stepping angles from 0.9 to 1.8 degrees, realizing precise rotation and accurate positioning.


Easy to control: These motors are driven by open-loop control, meaning they can be easily controlled with a simple logic signal from a microcontroller. No feedback mechanism is required. This makes their control simple and cost-effective.

Stable performance: Due to their sturdy and robust construction, 8mm stepping motors can deliver consistent performance over long usage times and under various conditions.


the key benefits of 8mm stepping motors lie in their ability to offer high torque and precise positioning within an extremely compact package. Their low power consumption, easy controllability and stable performance further enhance their suitability for miniaturized applications where space and efficiency are at a premium. These features make them ideal choices for industries focusing on size reduction and integration.

Product Detail Presentation

8mm Diameter 18 Degree Step Angle Linear Stepper Motor With Customizable M2 Lead Screw $1.5~$5/Unit 1

8mm Diameter 18 Degree Step Angle Linear Stepper Motor With Customizable M2 Lead Screw $1.5~$5/Unit 2



Type Of Wire Connect For Reference

Motor input method with Pin type, FPC, PCB, Lead wire etc.

These can be customized according to customer needs.

8mm Diameter 18 Degree Step Angle Linear Stepper Motor With Customizable M2 Lead Screw $1.5~$5/Unit 3


Type of Fixture Cover

The regular models are shown in the figure, and the special sizes can be customized.

8mm Diameter 18 Degree Step Angle Linear Stepper Motor With Customizable M2 Lead Screw $1.5~$5/Unit 4

Lead Time and Packaging Information:


Lead time for samples:
Standard motors in stock: within 3 days
Standard motors not in stock: within 15 days
Customized products: About 25~30 days (based on complexity of customization)

Lead time for building a new mold: generally about 45 days

Lead time for mass production: based on order quantity

Samples are packed in foam sponge with a paper box, shipped by express
Mass production, motors are packed in corrugated cartons with transparent film outside. (shipping by air)
If shipped by sea, product will be packed on pallets

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