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The SL55-08 is a StarModul double T joint with straight outlets for 5×5 cm square tube. It finishes an intermediate post with the continuous beam and straight outlets at 90° on both sides. It is assembled by screwing, without welding, and comes with screws included.
It is used on interior posts where beams cross in two directions. It is the flange-free version of the 5×5 cm range, designed for exposed structures where finish matters. Check the 3D viewer on this page to see the exact shape of the piece.
Fit the tubes into the piece, check the corner bracket and screw it in. No welding or special machinery is needed, so the structure can be assembled directly on site. For this joint you will need 5×5 cm galvanised steel tube (1.5 mm thick); we can send it to you cut to size.
See also: all flange-free joints for 5×5 cm tube and the 3D structure configurator, which calculates the joints and tubes for your project.
Yes. Each joint is supplied with its screws.
No. The entire StarModul system is screwed together, so it can be assembled and disassembled without welding.
In stock, 2–3 days in Catalonia and Aragon and 7–8 days in the rest of Spain. Out of stock, 2–3 weeks.
Yes. We work to measure and can send you the complete kit: joints, cut tubes, panels for facade and roof, flashing and screws. Ask us for a quote.
| Weight | 3 kg |
|---|---|
| Measurement | 5×5 cm |
15,44€ (excl. VAT)
Explore the interactive model to view the product’s geometry and configuration from different angles.




With the StarModul 3D steel structure configurator, you can define the dimensions, geometry, and initial configuration of a structure using our bolted connection system.
The tool generates a preliminary list of the necessary joints, a quantity takeoff for pipes and profiles, and an initial assessment of the configured components.