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Lead Screw And Nut
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Andres BlancoThe 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.
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Gregoire LangeThe 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 !
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David MoleveltProfessional and clear communication. Order was shipped in time. Counter connectors where added to the shipment. Driver works like we agreed !
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Buildstorm Private LimitedThe 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.
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Ashley GriffinShipment was received very quickly. Product was well protected by packaging. Company rep was cordial and kind. A Plus rating!
15mm 9V DC Miniature Slider Screw Stepper Motor with 0.02mm Displacement Resolution and 2 Phase Precision

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.
xPhase | 2 | Current Per Phase | 385mA |
---|---|---|---|
Motor Diameter | 15mm | Rated Voltage | 9V DC |
Coil Resistance | 15±10% Ohm/PHASE(20℃) | Step Angle | 18°/Step |
Excitation Method | 1-2Phases Drive | Drive Mode | Bipolar Drive |
Pull-out Thrust | More Than 230 G AT 700 Pps | Max Response Frequency | More Than 1300 PPS |
Max Starting Frequency | More Than 900 PPS | Insulation Class | CLASS E FOR COILS |
Insulation Strength | 100 V AC FOR ONE SECOND | Insulation Resistance | 50MΩ DC 500V |
Operating Temperature Range | -0~+55℃ | ||
Highlight | 15mm Miniature Slider Screw Stepper Motor,9V DC PM Stepper Motor,0.02mm Displacement Resolution Micro Stepper Motor |

The SM15-77-TL is a precision screw motor featuring a 0.4mm pitch between the output shaft and screw. This design enables the screw to generate thrust while rotating, providing precise motion control.
Key features include:
- 18° basic step angle
- 20 steps per revolution
- 0.02mm displacement resolution for precise control
- Subdivision drive mode capability
Our team brings over 10 years of stepper motor design, development, and production experience. We offer custom product development and auxiliary design services to meet specific customer requirements.


Model No. | SM20-77L-T |
---|---|
Motor diameter | 15mm |
Rated Voltage | 9V DC |
Coil Resistance | 15±10% ohm/PHASE(20℃) |
Current Per Phase | 600 mA/Phase(1000pps) |
No.Of Phases | 2 Phases |
Step Angle | 18°/Step |
Excitation Method | 1-2Phases Drive |
Drive Mode | Bipolar Drive |
Pull-out Thrust | More Than 230 g AT 700 pps |
Max Response Frequency | More Than 1300 PPS |
Max Staring Frequency | More Than 900 PPS |
Insulation Class | CLASS E FOR COILS |
Insulation Strength | 100 V AC FOR ONE SECOND |
Insulation Resistance | 50MΩ DC 500V |
Operating Temperature Range | -0~+55℃ |
Motor surface temperature | 80℃ or less |

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



Changzhou Vic-Tech Motor Technology Co., Ltd has been specializing in producing micro motors and accessories since 2011. Our main products include micro stepper motors, geared motors, underwater thrusters, and motor drivers/controllers.
With an R&D team boasting 20 years of motor development experience, we provide custom design and development services. Through our commitment to honesty, dependability, and quality, Vic-Tech Motor continues to pioneer in global markets by seeking international partners.
Based in Jiangsu, China since 2011, we serve domestic (35%), North American (25%), Northern European (20%), Western European (10%), and Southeast Asian (10%) markets with a team of 51-100 professionals.
- Pre-production samples before mass production
- Final inspection before shipment
Stepper motors, linear motors, geared motors, micro motors, BLDC motors
Vic-Tech Motor specializes in micro motor production since 2011, offering custom design services for stepper motors, geared motors, underwater thrusters, and motor controllers.
Delivery Terms: FOB, CIF, EXW, DDP
Payment Options: T/T, Credit Card, PayPal, Cash (USD, EUR, CNY)
Languages: English, Chinese