Heavy Duty 4 Inch Door Hinges Marine Grade 316 Stainless Steel Ball Bearing 5 By 8 Radius Rust Proof For Interior Exterior High Salt Environments Salt Spray Ready 3 Pack Built To Last

316 Stainless Door Hinges with Ball Bearings 4x4, 3-Pack
✔️ Marine-grade 316 stainless hinges, 220 lb each, 3-pack

Heavy-duty door hinges built from marine-grade 316 stainless steel deliver top rust resistance in coastal or high-salt environments. Ideal for interior and exterior doors, gates, cabinets, and marine applications. Includes all mounting hardware for quick installation.

✅ Marine-grade 316 stainless steel body for rust resistance
✅ 4x4 inch mounting plates (101.6x101.6 mm); 3 mm thick
✅ Ball bearing design for smooth, quiet operation
✅ Non-removable hinge pins for security
✅ 220 lb load capacity per hinge
✅ Weatherproof construction for salt spray and temperature extremes
✅ Includes mounting hardware for easy install

💡 What is a marine-grade stainless steel door hinge used for in harsh coastal environments?

Handy answer: Hinges like this are built to resist corrosion and keep doors swinging smoothly in salty, damp settings.

- ideal for exterior doors, gates, and marine cabinets in salty climates - features marine-grade 316 stainless steel, ball bearings, and non-removable pins for security - rated for frequent use and long service life in tough environments - weatherproof design resists salt spray and temperature changes ✝️