There are 4 main groups of parts needed to build the AR4 robot:

AR4 MK3 Combo Kit - This includes all the aluminum structural components, hardware components and primary electrical components.
Stepper Motors and Drivers - These are available at the lowest price; factory direct from Stepperonline (see link on this page).
3D Printed Components - You will need to 3D print your covers and spacers in any color you choose.
Gripper or Tool Holder - You can install any type of gripper or tool holder you need, kits for a pneumatic and servo gripper are available options (see link on this page).

AR4 MK3 Combo Kit - This includes all the aluminum structural components, hardware components and primary electrical components.

Stepper Motors and Drivers - These are available at the lowest price; factory direct from Stepperonline (see link on this page).

Gripper or Tool Holder - You can install any type of gripper or tool holder you need, kits for a pneumatic and servo gripper are available options (see link on this page).

3D Printed Components - You will need to 3D print your covers and spacers in any color you choose.

VIEW THE TUTORIALS PAGE FOR A COMPLETE RUNDOWN ON HOW TO BUILD THE AR4 ROBOT 👉

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When placing your order please add any necessary VAT or EORI numbers for overseas orders in the order notes section.

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Category: Robot Kits

AR4 MK3 Robot Combo Kit

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.

$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

Pneumatic Gripper Parts Kit

This kit contains the primary components to add a pneumatic gripper to the AR4 robot. Please note the kit does not include the 24vdc power brick. The power brick can be purchased from Stepperonline or other online retailers. It uses the same power brick as the robot.

$152.50

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Category: Robot Kits

Servo Gripper Parts kit

$84.50

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Category: Robot Kits

AR4 MK3 Aluminum Parts Kit

The aluminum parts kit for the AR4 MK3 robot includes 26 machined aluminum pieces that serve as the primary structural components for assembly. The kit provides the necessary metal parts to build the robot’s framework.

$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

AR4 Modbus PLC upgrade option

This add on option has the RS485 TTL board, wires, screws and RJ45 Keystone jack to add Modbus PLC communication for your robot.

$16.00

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Category: Robot Kits

AR4 MK3 CAD Models – SOLIDWORKS & .STEP files

$99.00

3D printed parts by C.I. Printing Services

Category: 3D Printed Covers

AR4 Robot Clear Arm Covers

Upgrade your current AR4 or start it off with this clear side panel kit so you can see all the movements of your precision robot build. The kit includes two clear side panels to replace the 3D printed ones and utilizes the original fasteners. These are made from scratch resistant and UV resistant optically clear acrylic. Each part is manufactured to the exact specifications required for the Annin Robotics AR4, ensuring seamless compatibility and performance.

DO NOT overtighten the fasteners or you will crack the plastic.

Key Features

Kit includes two clear side panels to replace the 3D printed versions
Only licensed 3D printing service for Annin Robotics
Manufactured to the exact specifications Annin Robotics requires for the AR4 robot build

For more information on Annin Robotics, visit https://anninrobotics.com/robot-kits/

Disclaimer: Parts may show slight surface variations or minor cosmetic imperfections due to the lasering process. These do not affect the structural integrity or functionality of the parts.

Shop at C.I. Printing Services

Category: 3D Printed Covers

3D Printed Parts – Black Kit

You will need to 3D print your covers and spacers in any color you choose, we highly recommend owning a 3D printer and creating your own parts as this will save you money, and having a 3D printer is an excellent machine to have. If you are unable to print your own covers we do have some options below for you.

Key Features

High quality PETG filament
Every 3D printed part necessary to complete the build
Save time and get your robot completed quickly
Structural parts, or parts with threads, are printed with 5 perimeter layers and 25% infill. Making them extremely strong
Non-Structural parts are printed with 4 perimeter layers and 25% infill. Which means the simple parts are even overbuilt
Manufactured to meet, or exceed, the specifications Annin Robotics requires for the AR4 robot build
Higher quality and durability than other generic 3D printing sites that don’t allow you to specify the level of quality and strength

For more information on Annin Robotics, visit https://anninrobotics.com/

Disclaimer: 3D printed parts may show slight surface variations or minor cosmetic imperfections due to the printing process. These do not affect the structural integrity or functionality of the parts.

Shop at C.I. Printing Services

Category: 3D Printed Covers

3D Printed Parts – Red Kit

Key Features

High quality PETG filament
Every 3D printed part necessary to complete the build
Save time and get your robot completed quickly
Structural parts, or parts with threads, are printed with 5 perimeter layers and 25% infill. Making them extremely strong
Non-Structural parts are printed with 4 perimeter layers and 25% infill. Which means the simple parts are even overbuilt
Manufactured to meet, or exceed, the specifications Annin Robotics requires for the AR4 robot build
Higher quality and durability than other generic 3D printing sites that don’t allow you to specify the level of quality and strength

For more information on Annin Robotics, visit https://anninrobotics.com/

Shop at C.I. Printing Services

Category: 3D Printed Covers

3D Printed Parts – White Kit

Key Features

High quality PETG filament
Every 3D printed part necessary to complete the build
Save time and get your robot completed quickly
Structural parts, or parts with threads, are printed with 5 perimeter layers and 25% infill. Making them extremely strong
Non-Structural parts are printed with 4 perimeter layers and 25% infill. Which means the simple parts are even overbuilt
Manufactured to meet, or exceed, the specifications Annin Robotics requires for the AR4 robot build
Higher quality and durability than other generic 3D printing sites that don’t allow you to specify the level of quality and strength

For more information on Annin Robotics, visit https://anninrobotics.com/

Shop at C.I. Printing Services

Category: 3D Printed Covers

3D Printed Parts – Blue Kit

Key Features

High quality PETG filament
Every 3D printed part necessary to complete the build
Save time and get your robot completed quickly
Structural parts, or parts with threads, are printed with 5 perimeter layers and 25% infill. Making them extremely strong
Non-Structural parts are printed with 4 perimeter layers and 25% infill. Which means the simple parts are even overbuilt
Manufactured to meet, or exceed, the specifications Annin Robotics requires for the AR4 robot build
Higher quality and durability than other generic 3D printing sites that don’t allow you to specify the level of quality and strength

For more information on Annin Robotics, visit https://anninrobotics.com/

Shop at C.I. Printing Services

There are 4 main groups of parts needed to build the AR4 robot:

AR4 MK3 Robot Combo Kit

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

Pneumatic Gripper Parts Kit

Servo Gripper Parts kit

AR4 MK3 Aluminum Parts Kit

AR4 MK3 Hardware Kit

AR4 MK3 Electrical Parts Kit

AR4 Modbus PLC upgrade option

AR4 MK3 CAD Models – SOLIDWORKS & .STEP files

AR4 Robot Clear Arm Covers

3D Printed Parts – Black Kit

3D Printed Parts – Red Kit

3D Printed Parts – White Kit

3D Printed Parts – Blue Kit

AR4 in Industry

AR4 in Education