These 4 Pack Heavy Duty Weldable Hinges are built to last with premium carbon steel Q235B material and a plain finish. The 4'' x 4'' size and 13/16'' pin diameter provide reinforced strength for heavy-duty applications. Perfect for use on metal gates, truck trailer windows, and other structural projects, they are designed for maximum security and ease of rotation up to 310 degrees. The 4.4 mm leaf thickness adds to their durability, making them ideal for long-term use in demanding environments.
  Ideal for upgrading your gate system or reinforcing trailer windows, these weldable hinges offer the reliability and strength needed for tough daily use. Their 310-degree rotation makes opening and closing gates smooth and effortless. Whether you're working on a residential gate or industrial trailer setup, the robust construction and easy installation make them a must-have. With a sturdy 4'' x 4'' frame and precision engineering, these hinges will support your project with confidence.