Cast Iron Square Tube Connectors

3-Way Tee Connector: 800 g Elbow Connector: 1,075 g

3D 3-Way Connector: 1,300 g 3D 4-Way Connector: 914 g

Long Tee Connector: 940 g Straight 4-Way Connector: 709 g

Base Connector: 1,244 g Straight Connector: 670 g

M-Type Straight Connector: 750 g 3D 5-Way Connector: 1,100 g

Single-Side Connector: 850 g Fence Support Connector: 800 g

Side Support Connector: 1,270 g Top Support Connector: 1,320 g

Closed 3-Way Connector: 985 g Cross 4-Way Connector: 610 g

Diagonal Support Connector: 1,060 g Single-Lug Connector: 460 g

End Sleeve Connector: 610 g Internal Straight Connector: 300 g

Base Fitting Kit: 700 Panel Support Bracket: 260 g Base Fitting: 420 g

Heavy-Duty Cast Iron: Thickened construction provides strength and stability for square tube connections.
Double-Layer Zinc Plating: Helps protect the surface against rust and corrosion.
Stainless Steel Set Screws: Hex socket screws secure the tubing and allow easy adjustment.
No Welding Required: Assemble or modify frames without welding equipment or threading the tubes.
Multiple Connector Types: Choose from straight, corner, T-shaped, cross, angled, and base fittings.
Easy to Reconfigure: Connections can be loosened and adjusted when the frame layout changes.
OEM & Custom Manufacturing: Send your 2D DWG or 3D STEP drawings to info@hofengfab.com for a custom quote, or visit Hofengfab to explore our manufacturing capabilities.