AR4 6 axis DIY Small Robot ARM_Annin Robotics
AR4 MK3 Robot Combo Kit - Image 2
AR4 MK3 Robot Combo Kit
AR4 MK3 Robot Combo Kit
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AR4 MK3 Robot Combo Kit

$1,329.00

View the Robot Build Manual
Your complete offline reference. Includes full assembly instructions, wiring diagrams, and technical specs. Always up to date, perfect for printing or workshop use.
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The AR4 MK3 Robot Combo Kit is a versatile and professional 6-axis robotic arm, engineered for both real-world applications and education. This combo kit contains everything needed to build a high-performance arm, including 26 precision-machined aluminum components, high-quality motors, and all necessary hardware. The AR4 MK3 is capable of automation solutions for makers, engineers, and manufacturers, thanks to its robust 4lb payload capacity. This kit provides an affordable, hands-on platform for developing automation skills, prototyping work cells, or deploying actual light-duty tasks.

This kit incudes 26 machined aluminum pieces, all bearings, belts, pulleys, shafts, pins, machine screws, set screws and all the primary electrical components needed to build the AR4 robot.

Reach: 24.75 inches (62.9 cm)
Payload: 4.15 lbs (1.9 kg)
Repeatability: 0.2 mm
Robot Weight (Aluminum): 27 lbs (12.25 kg)
Max Power Consumption: 8.25 amps (198 watts)

Kits are shipped within 1 to 2 business days.

Returns on assembled or partially assembled kits can not be accepted. All other returns are subject to 25% restock fee. Any credit card orders canceled prior to shipping subject to $36 processing fee. Teensy 4.1 cannot be warrantied once the package is opened or connections made.

You must 3D print your own covers and spacers, motors and drivers are availble factory direct from Stepperonline.
AR4 Robot Build Resources
Master your AR4 robot from build to advanced programming. Our ecosystem provides step-by-step guidance with the Build Manual, continuous learning through Tutorials & Courses, instant answers in the Knowledge Base, and direct support from our Community and Legacy Forums.
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Additional Products
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  • Category: Robot Kits

AR4 MK3 Robot Combo Kit

$1,329.00

  • Category: Stepper

Complete AR4 MK3 stepper-motor, driver & power supply package – factory direct from Stepperonline

Purchase at StepperOnline
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  • Category: Robot Kits

AR4 MK3 Aluminum Parts Kit

$820.00

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  • Category: Robot Kits

AR4 MK3 Hardware Kit

$429.00

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  • Category: Robot Kits

AR4 MK3 Electrical Parts Kit

$230.00

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  • Category: Robot Kits

Pneumatic Gripper Parts Kit

$152.50

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  • Category: Robot Kits

Servo Gripper Parts kit

$84.50

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  • Category: Robot Kits

AR4 Modbus PLC upgrade option

$16.00

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  • Category: Robot Kits

AR4 MK3 CAD Models – SOLIDWORKS & .STEP files

$99.00

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  • Category: Robot Kits

HTD Series Belt Update for Joint 3

$32.50

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  • Category: Robot Kits

J6 Housing and Gripper Mount – for upgrading to MK3 from previous versions

$38.50

  • Category: 3D Printed Covers

AR4 Robot Clear Arm Covers

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