High-Strength Concealed Concave-Convex Hinge are made of strong iron with zinc plating for superior corrosion resistance and durability. Designed for a 90°–120° opening angle, each hinge measures 98×62 mm, offering a secure and reliable fit. These heavy-duty hinges are widely used in metal boxes, toolboxes, switch cabinets, and fire cabinets, ensuring long-lasting performance in industrial and commercial applications. A practical solution for enclosures that require strength, stability, and smooth opening.

Dimension Drawing

FQA

Q: Do you offer R&D High-Strength Concealed Concave-Convex Hinge?
A:Yes, our engineering team actively develops and improves hinge designs. We can provide technical support and suggest the best hinge solutions for toolboxes, switch cabinets, and fire cabinets.

Q: Can I request customized welded hinges for my project?
A:Absolutely. We accept OEM & ODM orders, offering custom sizes, materials, and surface treatments. Our team ensures every hinge fits your exact application requirements.

Q: Is your company a factory-direct manufacturer of hinges?
A:Yes, we are a source factory specializing in metal hinges. This allows us to control quality, reduce costs, and provide fast response for bulk and wholesale orders.

Q: How quickly can you ship my hinge order?
A:We keep standard sizes like 98×62 mm in stock for immediate delivery. For custom or bulk orders, production usually takes 7–15 days with reliable global shipping options.

Q: What is your return and replacement policy?
A:We actively support after-sales service. If any hinge arrives defective or mismatched, you can request a return or replacement. Customer satisfaction is always our priority.