6-1/8" x 3-3/8" Long Leaf Strap Style Heavy-duty Steel Door Hinge for Trailers, Weld-on

Find this 6-1/8" x 3-3/8" Long Leaf Strap Style Heavy-duty Steel Door Hinge. It is used for trailers for stable, long-lasting support. These heavy-duty weld-on hinges are designed for truck trailers, dump trailers, cargo trailers, and other metal doors requiring durable, smooth-swinging motion and dependable performance under constant vibration and load. Find more details about these steel strap hinges below:

• Size: Each hinge measures 6-1/8" in length and 3-3/8" in width, with a 1/4" thick strap for heavy-duty strength and stability. The long-leaf strap design provides extended surface contact for even weight distribution, minimizing door sag and improving load support. The hinge can rotate up to 305 degrees
• Durable Construction: These hinges are made from high-quality steel, ensuring superior durability and weld strength. The strap-style long-leaf design provides extra reinforcement for large, heavy doors. Each hinge features an unfinished surface that allows for easy customization—users can paint, powder coat, or galvanize the hinges to match their trailer. The weld-on mount ensures a permanent, vibration-resistant fit, ideal for industrial and commercial applications. You can also check out our short and leaf strap hinges in different sizes.
• Application: These weld-on strap hinges are widely used in truck and cargo trailers for side and rear access doors. It is also used in dump trailers for providing strong, swing-capable connections for heavy tailgates. In service bodies and toolboxes for ensuring reliable motion for metal compartments. We also provide different grease guns for lubricating door hinges if required.
• Custom Fabrication Projects: This door hinge set is perfect for welders and trailer builders designing or repairing steel-frame enclosures and doors. They are especially valuable in applications that demand sturdy, low-maintenance hinges capable of enduring rough outdoor use and heavy daily operations.
• Inclusion: Each pack includes: 
• 6 Steel Weld-On Hinges: 6-1/8" x 3-3/8" strap style long-leaf hinges with smooth pivot barrels.
• Barrel & Pin Assembly: Provides a strong pivot point for consistent opening and closing.

How to Use It:

• Clean and grind the welding surfaces on both the door and trailer frame to remove rust, paint, or debris.
• Align hinges evenly along the door edge, ensuring hinge barrels form a straight line for smooth swing motion.
• Apply small tack welds to test alignment and door movement. Adjust if necessary.
• Once alignment is correct, perform continuous welds for a secure, permanent installation.
• Paint or coat the hinge for added corrosion protection.