How strong are these compared to welding?

Depends on how heavy the product that you are exposing the connectors to/which to design? these connectors are an extremely tight fit when using 25x25x1.2mm Box Section (usually around 150-200kg load)

What are the dimensions....I want to build a square frame with the third connector acting as a leg to stand off some tiles

to suit 25x25x1.2mm square tubing

iam building a chair will these be srong enough to hold 2 people

Yes I built a stand in my shed and I'm 26stone and I stand on it regularly

Are the connectors easy to remove, so anything you build can be dismantled.

They are not designed to assemble and dissemble many times (the plastic is a very tight fit. you will shav a layer of plastic off each time if you dissemble and reassemble so the connectors will become lose over time).

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🔧 Connect with confidence — build stronger, faster, smarter!

BUILT TO LAST - Engineered with robust materials for unmatched durability in heavy-duty projects.
SECURE STABLE - Precision fit and interlocking mechanism prevent accidental disconnections.
CORROSION RESISTANT - High-quality materials ensure long-lasting performance indoors or out.
EFFORTLESS ASSEMBLY - Quick, tool-free installation saves you valuable time on every build.
TRIPLE ANGLE FLEXIBILITY - 3-way design lets you create complex, stable frameworks with ease.

Ross Castors’ 25 x 25mm Heavy-Duty Square Tube Connectors deliver professional-grade strength and versatility with a precision 3-way design. Crafted from durable metal and plastic, they ensure secure, corrosion-resistant connections for demanding industrial and DIY projects, all while enabling quick, hassle-free assembly.

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Manufacturer	Ross Castors
Part number	3W
Item Weight	138 g
Product Dimensions	2.5 x 2.5 x 2.5 cm; 138 g
Item model number	3W
Material	Metal, Plastic
Shape	Corner Unit
Item Package Quantity	1

Square Tube Connectors by Ross Castors Heavy Duty for Metal Tube 3 Way (25 x 25mm)

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