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Robotic Arm

6-DOF Aluminium Robotic Arm Kit with MG996R + MG90S Servos and Gripper

Full-metal 6-axis desktop robotic arm manipulator (4x MG996R + 2x MG90S servos) with gripper, Arduino-compatible for advanced programming and STEM.

₹4,500 + 18% GST

SKU: BOTBIT-ROB-10 · Best for: Advanced desktop pick-and-place and stacking projects

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Overview

About 6-DOF Aluminium Robotic Arm Kit with MG996R + MG90S Servos and Gripper.

This 6-DOF Aluminium Robotic Arm Kit is a full-metal desktop manipulator with six axes of movement, driven by a mix of four high-torque MG996R servos for the heavy joints and two MG90S micro servos for the wrist and gripper. The aluminium-alloy structure with ball bearings gives it rigidity and smooth motion well beyond an acrylic arm.

Six degrees of freedom mean the arm can rotate at the base, articulate the shoulder, elbow and wrist, rotate the wrist and open or close the gripper, allowing genuinely dexterous pick-and-place and stacking tasks. It is Arduino-compatible, so every joint is controlled through standard PWM servo signals.

For Indian makers and students it is a strong sweet-spot buy: it delivers a serious, sturdy 6-axis arm at a mid-range price, is compatible with the huge library of MG996R/MG90S code and joystick controllers, and looks the part on a desk or in a robotics lab.

Key features

Why it stands out.

Six degrees of freedom for dexterous, near-humanlike arm movement

Rigid aluminium-alloy construction with ball bearings for smooth, durable motion

Four MG996R high-torque servos for the base and major joints

Two MG90S metal-gear micro servos for the wrist and gripper

Gripper claw end-effector for pick-and-place and stacking tasks

Arduino-compatible; each joint driven by standard PWM servo control

Specifications

Selection facts.

Degrees of freedom	6-DOF (6-axis)
Servos	4x MG996R + 2x MG90S
MG996R stall torque	Approx. 9.4 kg-cm at 4.8 V, up to 11 kg-cm at 6 V
MG90S torque	Approx. 2.2 kg-cm, metal gears
Structure	Aluminium alloy with ball bearings
Servo voltage	4.8 V to 6.0 V (typical)
End-effector	Gripper claw
Controller	Arduino compatible (PWM per servo)
Approx. weight	Around 840 g assembled

Applications

Where it is used.

Advanced desktop pick-and-place and stacking projects
Learning 6-axis kinematics and multi-servo coordination
College and university robotics coursework and labs
Joystick, potentiometer or app-controlled arm builds
Adding a PCA9685 driver for smooth choreographed motion
STEM demonstrations and robotics competitions

Buying guide

How to choose.

Buy this 6-DOF aluminium arm if you want a durable, serious arm for advanced programming and pick-and-place without paying for a professional bus-servo system. It suits college students, robotics clubs and committed hobbyists who want metal build quality.

When choosing, plan your power: six servos including four MG996R units need a stout external 5-6V supply, ideally 3A or more. If you want position/voltage/temperature feedback and PC software, step up to a bus-servo arm like the Hiwonder xArm 1S instead.

Pair it with an Arduino UNO or Mega, a PCA9685 16-channel PWM driver for clean multi-servo control, a 5-6V/3A+ power supply, and a joystick shield or potentiometers for manual teaching.

FAQ

Common questions.

Which servos are included?

The kit includes four MG996R high-torque servos for the major joints and two MG90S metal-gear micro servos for the wrist and gripper, matching a standard 6-axis configuration.

Does it come assembled?

No. It ships as parts; you build the aluminium frame, fit the six servos and gripper, and wire them to your controller. Ball bearings and screws are included.

How do I power six servos safely?

Use a dedicated external 5-6V supply rated 3A or more, not the Arduino's onboard regulator. Tie the supply ground to the Arduino ground so signals reference correctly.

What is the best way to control all joints?

You can use the Arduino Servo library for basic control, but a PCA9685 16-channel PWM driver over I2C gives smoother simultaneous motion across all six servos.

How much can it lift?

With MG996R servos on the main joints it handles small, light objects; effective payload at full reach is modest, so keep loads light for reliable, repeatable motion.

Is it available in India?

Yes. This generic full-metal 6-DOF arm is widely stocked by Indian robotics retailers, with abundant MG996R/MG90S tutorials and code.

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