Skip to product information
1 of 6

KST DS315MG 8.4V 4kg Metal Gear Mini Digital Servo Motor for Drone UAV Helicopter Airplane RC Models

KST DS315MG 8.4V 4kg Metal Gear Mini Digital Servo Motor for Drone UAV Helicopter Airplane RC Models


Regular price $47.64 USD
Regular price $71.46 USD Sale price $47.64 USD
Sale Sold out
Tax included. Shipping calculated at checkout.

143 orders in last 30 days

If you have payment problems, pls refresh the page or "Chat with us".

Free Shipping: 9-15 days to arrive.

Express Delivery: 5-8 days to arrive.

Warehouse: China/USA/Europe, Can delivery to all countries, tax included.

Free shipping & User guarantee

  • Free Shipping:Ships within 3days, arrives within 10-18 days
  • Paid Express: Ships within 2days,arrives within 4-7 days
  • Money back guarantee: Quality problems, return and exchange within 30 days
  • 12-month warranty, long-term after-sales service
  • No need to register account, Order tracking url will send to your email
  • More FAQ:FAQ


Wheelbase: Screws

Upgrade Parts/Accessories: Gear

Tool Supplies: Assembled class

Technical parameters: Value 5

Size: As show

Remote Control Peripherals/Devices: Servos

Recommend Age: 14+y,12+y

RC Parts & Accs: Servos

Origin: Mainland China

Model Number: DS315MG

Material: Metal

Four-wheel Drive Attributes: Motors

For Vehicle Type: Helicopters

Brand Name: uuustore

KST Servos are renowned for Quality at realistic prices. From Hobby helicopters and gliders to Industrial and UAV applications KST servos have earnt a reputation for performance even under the most demanding conditions. Whether you need to win your next competition event, power a mission critical UAV or operate industrial grade machinery or robotics KST has a solution for you. Talk to our sales team today, OEM and ODM services are also available for custom installations.


All metal case by CNC.

Included 2 ball bearing.

With 12mm coreless motor.

High precision metal gear.

Large stall tongue of 4.8Kg.

Small size and light weight..


Item model: DS315MG

Material: Metal

Signal: Digital

Connector wire: About 215mm

Operating voltage: DC 4.8-8.4V

Operating speed: 0.10 sec / 60°@ 4.8V; 0.09 sec / 60° @ 6.0V; 0.08 sec / 60° @ 7.2V; 0.07 sec / 60° @ 8.4V

Stall torque: @ 4.8V; @ 6.0V; @ 7.2V; @ 8.4V

Working frequency: 1520us/333Hz, 900us-2100us

Motor type: 12mm coreless motor

Bearing type: 2BB

Item size: 27.5 * 23 * 12mm

Item weight: 20g (wires included)


Robotic and Industrial servo OEM & ODM services available. We are confident we can make any type of servo to suit any application. Our engineering team are up to the challenge and looking forward to building a servo to suit your needs.


We can build servos with features like these and more!

Torque ranging from 2kg*cm to 700kg*cm

Travel speeds from 0.03s to 0.5s

Travel angles: from 40deg to 360deg

Communication protocols such as TTL. RS232, i2C, RS485 or PWM

Servo positioning and current feedback

Gear materials from plastics to titanium

Voltage ranges are also customizable from 4.8v to 28v

Size, Shape and design can be customized to your needs

A variety or motor options such as brushed, coreless & brushless

We can offer Potentiometer or magnetic induction control


Potential Applications.

1. Electric lock (anti-heft door lock servo) 

2. Luggage case lock servo 

3. Washing machine safety mechanism servo 

4. Water/gas valve control Servo 

5. Smart lamp Switch Servo 

6. Camera gimbal control servo 

7. UAV heavy duty servo 

8. Servo Release Servo Drop

9. Curtain Servo 

10. Automatic Perfume and liquids Sprayer Servo 

11. Smart bike gear change servo 

12. Electric car mirror servo 

13. Car seat adjustment servo 

14. Car window winding servo 

15. Medical equipment servo 

16. safety lock servo 

17. Robot servo 

18. Wheel servo 

19. Robot arm servo




View full details

Customer Reviews

Be the first to write a review