20KG Digital Servo High Torque Full Metal Gear Waterproof for RC Model DIY, DS3218MG,Control Angle 270°

DS3218MG 20KG Digital Servo: Waterproof High Torque, Full Metal Gear
✔️ Torque up to 21.5 kg/cm @6.8V, 270° control, waterproof, 60 g

The DS3218MG servo from DSSERVO is a rugged, high-torque digital unit built for RC models, robotics, and DIY automation. Its full-metal gears, waterproof seals, and CNC aluminum shell make it a dependable choice for robot joints, arms, and heavy-duty remote-control projects. Includes 1 DS3218MG servo and a 25T adjustable metal arm in a single-pack configuration.

✅ 21.5 kg/cm stall torque at 6.8V; copper & aluminum gears for durability
✅ Speed: 0.14-0.16 sec/60° (5V-6.8V) for fast response
✅ 40 x 20 x 40.5 mm; weight 60 g; compact yet powerful
✅ Waterproof seals and CNC aluminum middle shell for rugged use
✅ 270° rotation with 360° free rotation when power is off
✅ Operating voltage 4.8-6.8 V DC; CE certified
✅ Includes 1x DS3218MG servo and 25T metal arm

💡 What is a high-torque digital servo used for in RC robotics?

A handy overview: It powers precise joint movement and sturdy actuation in projects.

- Robotic arms and joint actuation for tight, reliable control - Steering linkages and gripping mechanisms in hobby bots - PWM-compatible control from microcontrollers and hobby radios