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Home / Connectors and Fasteners / Steel Pipe Connectors, 20mm & 25mm Round Tube, 32mm Galvanized Pipe Iron Fasteners, 4-Way & 3/4" Greenhouse Weld-Free Fittings

Attributes

Brand -
Category Industrial Small Parts / Connectors and Fasteners
Origin -
Material High-Grade Carbon Steel
Surface Treatment Hot-Dip Galvanized
Compatible Pipe Diameter 20mm, 25mm, 32mm
Connection Type Clamp Fastener
Installation Method Bolted Assembly
Welding Required No
Load Capacity Heavy-Duty Support
Corrosion Resistance Suitable for Outdoor Environments
Color Metallic Silver
Recommended Application Greenhouse, Scaffolding, Fencing

5 reviews

A

Anonymous

Apr 23, 2026

Rating: 5/5

No welding required

Saved me so much time not having to weld. The clamp mechanism holds the pipe securely in place.

A

Anonymous

Apr 11, 2026

Rating: 5/5

Perfect for my greenhouse project

These connectors made building my greenhouse frame so much easier. No welding needed and they feel very sturdy.

A

Anonymous

Mar 16, 2026

Rating: 5/5

Rust resistant

I have had these installed outside for six months now and there is no sign of rust. Very satisfied with the durability.

A

Anonymous

Feb 12, 2026

Rating: 4/5

Sturdy but tight fit

Good quality steel and the galvanization looks thick. The bolts were a bit tight to turn initially but loosened up.

A

Anonymous

Feb 05, 2026

Rating: 4/5

Good value for money

Works as described. Make sure you measure your pipe diameter correctly before ordering to get the right size.

5 FAQ

Q: Will this fit a standard 1-inch water pipe?

A: Our 25mm connector is designed for 25mm outer diameter pipes. Please measure your pipe precisely as 1-inch pipes can vary slightly.

Q: Do I need special tools to install these?

A: No special tools are required. A standard wrench or socket set is sufficient to tighten the bolts.

Q: Can these be used outdoors in the rain?

A: Yes, the hot-dip galvanized finish provides strong corrosion resistance suitable for outdoor exposure.

Q: What is the maximum weight these can hold?

A: Load capacity depends on the overall structure design. For heavy load applications, we recommend consulting a structural engineer.

Q: Is welding necessary for extra strength?

A: Welding is not necessary. The bolted clamp design provides sufficient structural integrity for standard greenhouse and framing uses.

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