Aluminum 3-Way Cube Connector for 2020 3030 4040 4545 Profiles

$18.95 $21.42

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Aluminum 3-Way Cube Corner Connector for European Standard Profiles

Build strong, precise 3D frames with this heavy-duty aluminum 3-way cube corner connector. Compatible with European standard aluminum extrusion profiles in 2020, 3030, 4040, and 4545 sizes, this connector is an essential fastener for DIY builds, machine frames, workbenches, shelving units, and structural assemblies. Each set includes everything you need for a complete, secure connection — right out of the box.

Made in Mainland China.

What's Included (Per Package)

2020 Three-Way: 1× Cube Corner Connector + 3× Screws + 3× Plastic Lids
3030 Three-Way: 1× Cube Corner Connector + 3× Screws + 3× Plastic Lids
4040 Three-Way: 1× Cube Corner Connector + 3× Screws + 3× Plastic Lids
4545 Three-Way: 1× Cube Corner Connector + 3× Screws + 3× Plastic Lids

Key Features

Material: High-quality aluminum — lightweight yet durable for structural use
3-Way Connection: Joins three aluminum profile extrusions at perfect 90° angles in X, Y, and Z axes
Multi-Size Compatibility: Fits 2020, 3030, 4040, and 4545 European standard aluminum profiles
Complete Kit: Screws and plastic lids included for a clean, finished look
Customizable: Designed to support a wide range of DIY metalworking and framing projects
Easy Assembly: Simple bolt-in installation — no welding or special tools required

Ideal Applications

CNC machine frames and enclosures
3D printer frames
Industrial workbenches and assembly lines
Shelving and storage rack systems
Custom DIY structural frames
Robotics and automation builds

Specifications

Material	Aluminum
Compatible Profile Sizes	2020, 3030, 4040, 4545 (European Standard)
Connection Type	3-Way (X, Y, Z axis)
Package Contents	1× Cube Connector + 3× Screws + 3× Plastic Lids
Customizable	Yes
Origin	Mainland China

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Frequently Asked Questions

Q: What aluminum profile sizes are compatible with this 3-way cube corner connector?

A: This connector is compatible with European standard aluminum extrusion profiles in four sizes: 2020, 3030, 4040, and 4545. Make sure to select the correct size that matches your profile dimensions when ordering.

Q: What is included in each package of the aluminum cube corner connector?

A: Each package includes 1 aluminum cube corner connector, 3 mounting screws, and 3 plastic lids to cover the screw holes for a neat, professional finish — regardless of which profile size you choose.

Q: Do I need special tools to install this 3-way cube corner connector?

A: No special tools are required. The connector uses standard screws for a straightforward bolt-in installation, making it ideal for DIY aluminum profile frame builds without welding or machining.

Q: Can this connector be used for 3D printer or CNC machine frames?

A: Yes! These 3-way cube corner connectors are widely used for building 3D printer frames, CNC machine enclosures, workbenches, shelving systems, and other structural aluminum profile assemblies that require rigid 90° three-axis joints.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.

We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.