A
Anonymous
Apr 20, 2026
Rating: 4/5
Good Value
Works well for DIY furniture. One connector had a slight scratch but does not affect function.
Description
20/25/30/40 Square Tube Connectors Fasteners Square Pipe Joints Fixed Pipe Clamps Four-Way Base Weld-Free
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Connectors and Fasteners |
| Origin | - |
| Material | Cast Iron |
| Surface Finish | Zinc Plated |
| Compatible Sizes | 20/25/30/40 mm |
| Connection Style | Four-Way Cross |
| Assembly Method | Screw Fastening |
| Welding Required | No |
| Color | Silver |
| Package Includes | Connectors and Screws |
| Application | Shelving and Racks |
| Durability | Rust Resistant |
5 reviews
A
Anonymous
Apr 20, 2026
Rating: 5/5
Solid Build Quality
These connectors are very sturdy. I used them for a 25mm pipe rack and it holds heavy boxes without issue.
A
Anonymous
Apr 05, 2026
Rating: 5/5
Perfect Fit
Ordered the 30mm size and it fits my square tubes snugly. Very happy with the purchase.
A
Anonymous
Mar 17, 2026
Rating: 5/5
Easy to Assemble
No welding needed saved me so much time. The screws fit perfectly into the cast iron holes.
A
Anonymous
Mar 11, 2026
Rating: 5/5
Heavy Duty
Using these for a garage workbench frame. They feel very secure and stable.
5 FAQ
Q: Can I paint these?
A: Yes, the zinc plated surface can be painted if desired.
Q: Is this suitable for outdoor use?
A: It is zinc plated but indoor use is recommended for longevity.
Q: Are screws included?
A: Yes, all necessary mounting screws are included in the package.
Q: What is the inner diameter tolerance?
A: There is a small tolerance for easy insertion, typically around 0.5mm.
Q: Will this fit round pipes?
A: No, these are designed specifically for square tubes.
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
![[Buy 2 Get 10% Off] Painted Double-Layer Wool Felt Mat for Calligraphy and Painting](https://www.gosteppe.com/cache/small/product/270133/legacy-main-a12ad5b62abb27a9a45afaf4.png)
