Description
Technical Overview
The 3-Way Corner Connector – 40 Series functions as a structural anchoring component designed to facilitate clean right-angle junctions within framing assemblies. Technicians actively deploy this cube-shaped aluminium hardware to establish a seamless external corner joint between three intersecting 40 Series T-Slot linear profiles. First, you tap the inner channels of the profile ends to accept mounting fasteners. Then, you position the connector block directly at the junction of the mating sections. Consequently, mounting screws pass smoothly through the three larger counter-bored access holes and anchor securely into the threaded profile ends through the opposite alignment holes. Furthermore, this internal fastening method establishes a highly rigid physical connection while leaving the outer profile tracks completely unobstructed for panels or linear guides.
Applications
Assembly teams regularly utilize this three-way corner connector when they build modular machinery frames, precision laboratory test fixtures, and custom industrial workspace structures. These builders typically deploy the aluminium hardware at perimeter joints where a completely flush, external corner profile is required for safety or aesthetics. Additionally, the component performs exceptionally well when you construct electronic enclosures or cleanroom partitioning that cannot accommodate protruding bracket hardware. Because the connector fastens directly into the core axis of the extrusions, it delivers a clean finish that effectively maximizes the usable internal and external workspace of the framing system.
Technical Specifications
Drawings

| A | B | C | D | kg |
| 40mm | 40mm | 9.5mm | 17.5mm | 0.114 |
Maker Store Tips and Tricks
-
Ensure the end faces of all three structural profiles are cut perfectly square and clean before performing the tapping procedure.
-
Do not over-torque the mounting fasteners during installation to prevent strip damage to the threads within the profile cores.
-
Periodically verify fastener tightness in completed structural frames that are subject to operational vibrations or moving loads
What makes T-Slots such an easy assembly task?
Constructing frames from T-Slot extrusions is straightforward as they eliminate the need for specialized tools or welding, thereby simplifying the assembly process. To build frames using T-Slot Linear Rail, you will require:
- 40 Series T-Slot Extrusions: These form the main structural components, usually crafted from aluminium, with slots along their lengths for easy connection of various parts and accessories. Additionally, their robustness ensures they hold up well over time.
- 40 Series Brackets and Connectors: These specialized components fit snugly into the T-Slot extrusions, securing them together at various angles. The range includes corner brackets, T-nuts, L-shaped brackets, and other connectors. Besides, they are easy to install and adjust as needed.
- Fasteners: Utilize Bolts, screws, and nuts to securely attach the brackets and connectors to the T-Slot extrusions. Furthermore, their variety allows for flexible assembly solutions.
- Tools: Basic hand tools such as wrenches, Allen keys (hex keys), and screwdrivers are necessary for assembly. Additionally, a saw may be needed to cut the T-Slot extrusions to your desired lengths.
Unsure if this product is compatible with our aluminium extrusions?
Look for the Maker Store Compatibility Badges!





















