Stainless Steel Square Tube Connector Flange Base 25/30/35mm
Stainless Steel Square Tube Connector Flange Base 25/30/35mm
Stainless Steel Square Tube Connector with Flange Base
Build sturdy, long-lasting fence rails, handrails, and structural frameworks with these heavy-duty stainless steel square tube connectors. Available in 25mm, 30mm, and 35mm outer diameter sizes, these elbow corner joint clamps are engineered for a secure, professional-grade fit — ideal for DIY projects, outdoor fencing, balustrades, and more. Made in Mainland China.
Key Features
- Thickened Stainless Steel Construction: Resists corrosion, bending, and cracking for reliable long-term performance indoors and outdoors.
- Versatile Sizing: Fits square tube outer diameters of 20×20mm, 25×25mm, and 30×30mm — choose the size that best matches your project.
- Complete Hardware Set: Each set includes 1 square post base flange + 4 screws + 4 anchors — everything you need for a secure installation.
- Easy Installation: Simple screw-and-anchor mounting system means no specialist tools required.
- Clean Silver Finish: Sleek, modern appearance that complements any décor or outdoor setting.
Specifications
| Material | Quality Thickened Stainless Steel |
| Color | Silver |
| Available Sizes | 20×20mm, 25×25mm, 30×30mm |
| Package Options | 1 Set or 2 Sets |
| Set Contents | 1× Square Post Base Flange + 4× Screws + 4× Anchors |
Package Includes
- 1 or 2 Sets (as selected)
- Each set: 1× Square Post Base + 4× Screws + 4× Anchors
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Note: Actual color may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor measurement tolerances of ±1–2mm.
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What tube sizes are compatible with these square tube connectors?
A: These stainless steel square tube connectors are designed to fit square tube outer diameters of 20×20mm, 25×25mm, and 30×30mm. Please select the correct size matching your tubing when ordering.
Q: Are these square tube flange connectors suitable for outdoor use?
A: Yes! The thickened stainless steel material is highly resistant to corrosion and weathering, making these elbow corner joint clamps well-suited for outdoor fence rails, balustrades, garden structures, and other exterior applications.
Q: What hardware is included in each set?
A: Each set includes 1 square post base flange, 4 mounting screws, and 4 wall anchors — providing a complete installation kit so you can get started right away without needing to source additional hardware.
Q: Can I purchase more than one set?
A: Absolutely. This listing offers the option to purchase either 1 set or 2 sets, allowing you to stock up for larger fencing or railing projects at a better value.
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.