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2 phases, 4 steps 12V 7.5 Degree Linear Stepping Motor With Lead Screw for Medical Equipment、Linear Robotic Control,etc

Categories Linear Stepper Motor
Brand Name: VIC-TECH
Model Number: SM20-021L
Certification: RoHS, ISO9001
Place of Origin: China
MOQ: 1Unit
Price: $7.5~$42/Unit
Payment Terms: Western Union, T/T, L/C, MoneyGram
Supply Ability: 100000 Units/year
Delivery Time: 15-30 work days
Packaging Details: Standard export package in corrugated carton (Mass production).
Resistance: 13Ω±10%
Phase: 2 phases, 4 steps
Type: Permanent Magnet(PM motor)
Holding torque: 20N
Step angle: 7.5°/15°
Rated Voltage: 12V
Stroke: 14 mm~38mm
Dimensions: Diameter 20 * Length 55 (mm)
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2 phases, 4 steps 12V 7.5 Degree Linear Stepping Motor With Lead Screw for Medical Equipment、Linear Robotic Control,etc

SM20-021L Low Noise 12V 7.5 Degree Linear Stepping Motor With Lead Screw And Nut

This SM20-021L stepper motor is specifically designed for linear movement application, with lead screw.

We have two step angle: 7.5 degree, lead pitch is 0.6096mm.

For 7.5 degree, each round is 48 steps, which mean each step lead screw moves 0.0127mm.


This 20mm stepper motor is our patented product. It converts the rotation of the motor into a linear movement of lead screw. It is mainly used in high precision.


Typical applications:

* Medical Equipment

* Linear Robotic Control

* Precision Calibration

* High Precision Valve

* Other Precise Position Movement


Plus tt has extra low noise and high stability.

Design Layout (Unit:mm)

Parameter sheet:

RODUCT NAMEPM20 5v Linear stepper motor
MODELSM20-021L-External type
RESISTANCE13Ω±10%
Pull in frequency600PPS
THE MARK THRUST20N
inductance4.5REF (mH)
Mounting apertureφ3.7mm (Through hole)
Axial height35 mm customizable
INSULATION CLASSclass E
lead wrieUL 1061 AWG26

Chart of Thrust vs speed(PPS):


Customization service


The motor can customize the normal screw stroke,
Connectors and outlet boxes can be customized according to customer requirements
The screw rod can also customize the nut


Competitive Advantage

  • High quality and the best price.

  • Fast deliver,storage company and rich inventory

  • Near Shanghai port, the traffic is very convenient.

Product Detail Presentation



Quality 2 phases, 4 steps 12V 7.5 Degree Linear Stepping Motor With Lead Screw for Medical Equipment、Linear Robotic Control,etc for sale
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