【Pig Iron Manufacture】This heavy duty trailer hinge is made from 1/4 thick pig iron, so no grinding is required before installation, and the welded-then-painted operation doesn't detract from its aesthetics. Due to its high hardness, pig iron has good abrasion resistance for that need to withstand wear and , and provides good casting properties for casting complex shapes.

【Greasable Design】Our trailer hinge features a greasable design for ease of use and operation while extending the life of the trailer hinge. The hinge itself is already lubricated, so if you encounter an obstruction during operation, twisf off the zerk and add to ensure smooth operation.

【Weldable Trailer Hinge】The short leaf gate hinges are welded to ensure a and secure connection between the trailer hinge and the mounting surface, thus reducing the risk of loosening or falling off after prolonged use. If you are not experienced in welding, we sincerely recommend that you choose a professional for installation.

【Versatile Applications】 For replacing and repairing trailer dump and dump bodies, this heavy duty hinge is the cost-effective option. Widely dump , heavy-duty metal gates, freight , cargo , campers, storage box rockers and BBQ smokers and .

【Installation Note】The hinge has a maximum swivel angle of 240 degrees and can be mounted both horizontal and concave surfaces. Since the trailer hinge is made of pig iron, the welding process may cause slight wear the trailer hinge (in case of rust, sandpaper can be to sand it down), so it is recommended that you weld them before painting.