Weld-On Gate Hinge for Aluminum Gates on Steel Posts The D&D Shut-It CI3300 Combo BadAss Hinge is a heavy-duty weld-on gate hinge designed specifically for installations where an aluminum gate must be mounted to a steel post. Perfect for security gates, privacy gates, commercial entries, and other high-performance applications, the CI3300 solves the common challenge of combining dissimilar materials in a single, secure hinge solution. Built with a steel body, the hinge is welded directly to the steel post, while its precision design allows for seamless alignment and support of aluminum gates. The high-temperature sealed bearings make the hinge safe to powder coat while installed and eliminate the need for greasing or maintenance—ideal for long-term perimeter access control solutions. Key Features Designed for aluminum gates welded to steel end posts Weld-on steel body with corrosion-resistant raw zinc finish No maintenance required – permanently sealed bearings Powder coat safe with hinge installed 1,000 lb load rating per gate, supports gates up to 600 lb Horizontal adjustability ensures perfect gate alignment Ideal for security gates, privacy enclosures, and automated systems Technical Specifications Model: CI3300 Brand: Shut It® BadAss Mount Style: Weld-on (steel post) Gate Material: Aluminum Post Material: Steel Gate Type: Pedestrian, driveway, pet, playground, commercial, security Max Gate Weight: 600 lb (270 kg) Load Rating: 1,000 lb per gate Recommended Gate Size: 6 ft W × 8 ft H (1.5 m × 2 m) Post/Gate Shape: Square-to-square Minimum Post Size: 1½"+ (38 mm) Ideal Gate Gap: 2½"–3" (64–76 mm) Finish: Raw zinc-plated steel Conclusion The D&D Shut-It CI3300 Combo BadAss Hinge is the go-to solution for mixed-material gate setups requiring security, strength, and zero maintenance. Specifically built for welding to steel posts while supporting aluminum gates, it delivers high load capacity and long-term reliability in both residential and commercial perimeter applications.