2-DOF Metal Gripper Robot Arm with Base 21cm
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Prices updated: 14 Oct 2026
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About this product
A 2-DOF metal gripper robot arm made from 3 mm aluminum alloy sheet, with a claw, two servo brackets for the joints and a metal base for fixing. It has a 21 cm arm length and a maximum gripper opening of 54 mm, with a load capacity of about 300 g. It suits servo-driven robotics projects, and the bracket layout allows a camera or IR sensor to be mounted.
Specifications
- Degrees of freedom
- 2
- Arm length
- 21 cm
- Material
- Aluminum alloy, 3 mm sheet
- Maximum gripper opening
- 54 mm
- Net weight
- 300 g
- Payload capacity
- About 300 g
Frequently asked questions
Which servos should I use?
The listing describes two servo brackets for the joints but does not name servo models. Choose servos whose horn and mounting pattern fit the brackets and whose torque is suitable for the arm's weight and length.
Is the arm supplied assembled?
The listing describes the product both as a kit that is not assembled and as fully assembled. Check the contents of the package to confirm whether assembly is required before building.
