233 - Heavy Duty Square Railing Base Flange
233 - Heavy Duty Square Railing Base Flange
* May vary based on wall thickness
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| Buy 20+ | 10% Off |
| Buy 30+ | 15% Off |
| Buy 40+ | 18% Off |
| Buy 50+ | 22% Off |
TC233 is a Heavy Duty base flange fitting designed to secure any pipe structure. It is widely used as a railing base flange. The TC233 is designed to withhold forces from all 4 directions.
Heavy duty alternative to the TC131, TC131SQ or the TC132 base flange fittings
* This fitting comes in D48mm OD size Only.
Common Usage
The TC233 is best used in situations where heavy force, or pushing force from multiple directions may be expected.
Designed for both indoor and outdoor projects, it features our easy slip-on and tighten connection system which only requires a hex key to secure.
It can be used in pipe structures, railings, racks and furniture.
Fittings cast of malleable cast iron - galvanized finish
Cast iron fittings or casting to comply with AS 1832 (ISO 5922)
Hot Dipped Galvanized finish to comply with AS 4680.
Cup Point Case hardened setscrew in 45CR Alloy Steel (alternative* Stainless Steel 308)
Size C42, D48, E60 using 3/8” ISO 228 with 5/16” (8mm) hex key
Size A27, B34 using ¼” ISO 228 with ¼” (6.5mm) hex key
Size T21 using 1/8 BSF with 3/16” (5mm) hex key.
Feature:
No welding required. Structural fittings slip directly onto bar and are secured using an allen key to tightened provided setscrews.
Tensile Load:
Min 5,650 N axial load subjected to 40Nm tightened torque (FOS 2.0 min).
Testing:
Tested internally by Solid Dynamics Engineering Pty Ltd. Testing videos are available upon request.
Design:
Tubeclamp Structural Fittings, when properly installed per manufacturing recommendations, meet or exceed all applicable requirements as specified by Australian Standard.
Application:
Handrails, Trolley Bays, Temporary Structure, Shop Fittings, Furnitures and many more.
Please note that not all sizes are available for every product.
Tube Size Reference Chart |
Fitting Size Code | Outside Diameter | NB (Metric) | NB (Imperial) |
| T21 | 21.3mm | 15 | 1/2" |
| A27 | 26.9mm | 20 | 3/4" |
| B34 | 33.7mm | 25 | 1" |
| C42 | 42.4mm | 32 | 1 1/4" |
| D48 | 48.3mm | 40 | 1 1/2" |
| E60 | 60.3mm | 50 | 2" |
| SHS25 | 25 x 25mm | N/A | N/A |
| SHS40 | 40 x 40mm | N/A | N/A |
| G50 | 50mm (Alu) | N/A | N/A |
Which fitting size do I chose?
To select the right fitting, measure the outside diameter (OD) of your pipe and choose the corresponding size. For example, a pipe with a 48mm OD requires a D48 fitting.
We also provide fittings for 50mm aluminium tubes and 25 x 25 or 40 x 40mm square hollow section steel bar.
Metric or Imperial?
Why is the fitting bigger then my tube?
What are your fittings made from?
Where can i find size specifications for each fitting?
Basic Install Guide for Tubeclamp Fittings
Australia Wide Shipping
Our Return Policy
Skip welding and bending.
A completely modular system.
Tubeclamp fittings are fully modular and can be used in countless ways, including for handrails, guardrails, furniture, shelving, trolleys, carts, scaffolding, fencing, shade cloth systems, garden enclosures, and so much more.
Additionally, since they don't need welding for installation, you can easily take apart or uninstall your setup to repurpose the fittings for another project.
Built to last and engineered for strength.
Our fittings comply with Australian Standards AS 1832 (ISO 5922), and AS 4680.
Charmingly Stylish.
However, to cater to a range of modern and traditional styles, we offer the option of sticking with the classic look or paying a bit extra to have your order powdercoated in a variety of contemporary colors of your choice.Choose from any colour from the Dulux Powder Coating range.
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