Heavy-Duty Steel Door Hinge - FEU Brand, Patent #162,77451 #3576277 (License: Personal Use)

This heavy-duty door hinge features a matte black finish, rounded corners for safety, and four pre-drilled mounting holes per leaf for secure installation. The central pin is fully mortised and includes set screws for alignment stability. Embossed on the leaf is the manufacturer mark “FEU” and U.S. Patent No. 162,77451, indicating a proprietary design.

Used on product pages for hardware retailers, contractor supply sites, or DIY guides; targets users searching for reliable, code-compliant hinges for interior/exterior doors in residential or commercial settings.