Self‑Locking Folding Hinge

This 90‑degree heavy‑duty self‑locking folding hinge is specially designed for old furniture renovation, furniture repair, DIY custom furniture and workbench support. It is widely compatible with folding table legs, bracket tables and chairs, vintage furniture replacement parts and cabinet support structures, perfectly meeting the renovation and commercial repair needs of various old‑style furniture.

Made of thickened high‑carbon steel by precision stamping, the overall plate thickness reaches 3‑4mm with solid structure and no clearance. The surface adopts wear‑resistant and rust‑proof black plastic spraying treatment, which is corrosion‑resistant, rust‑proof, and not easy to deform or crack after long‑term use.

Equipped with an accurate self‑locking buckle structure, it locks automatically when unfolded to 90 degrees for stable load‑bearing without shaking, and folds smoothly without jamming. Easy to install, it features strong load‑bearing capacity, wear resistance and pressure resistance, maintaining stable performance after repeated opening and closing. It is far more durable than ordinary hinges, serving as a high‑quality heavy‑duty hardware accessory for furniture repair, old furniture renovation and bulk commercial procurement.