High Load Capacity 304 Flag Hinge - Security Door Heavy Duty

Price: $3.14

Material: 304 stainless steel

Color: matte black/glossy/brushed/gold

Finish: brushing, polishing, sandblasting

About this item:

★Heavy-Duty Load Capacity – Thickened, reinforced design supports up to 150kg per pair, making it perfect for heavy fire doors, wrought iron gates, and large courtyard doors. Eliminates sagging or wobbling for long-term stability.

★ Flag-Style Detachable Design – Unique flag hinge structure lets you remove the door from the frame in seconds (without tools) for cleaning, maintenance, or emergency access. A must-have for fire safety and high-security doors.

★ Multi-Scenario Compatibility – Designed for fire doors, garden gates, wrought iron exterior doors, security doors, and industrial-grade commercial doors. Fits both wooden and metal door frames.

“Brushed aluminum cabinet handles transformed a kitchen! 35mm fits shaker cabinets—anti-fingerprint, easy install (screws included). Recommend for contractors/DIYers! ”★★★★★

"80% of my projects use these aluminum handles—matte black, ergonomic grip, durable, no tarnish in humid bathrooms! "★★★★★

“I use these modern aluminum handles for 80% of projects. Matte black, durable—no tarnish in humid bathrooms. Ergonomic grip, perfect for decor! ★★★★★.”★★★★★

"DIY novice here—these aluminum handles were easy to install! Standard spacing fits old hardware, brushed finish hides smudges (kids-friendly)! Kitchen’s way modern!" ★★★★★

“Hotel guest room aluminum handles: sturdy, corrosion-resistant, sleek. Guests love the high-end look—great bulk value!”★★★★★

Ratings & Reviews

4.8(968)

$ 157 50 pieces/Thickness:4.0mm

Scope of Application: Passage doors, interior doors, iron doors, fire doors, solid wood doors
Color:stainless steel color
Profile Thickness :1.5mm-4.0mm
MOQ:50 pieces

Popular

Why Choose Our Flag Hinges?

●Built with premium 304 stainless steel and engineered for heavy loads, our flag hinges are the ultimate solution for securing high-traffic, heavy doors in both residential and commercial spaces. Whether you’re fitting a fire door, a wrought iron garden gate, or a courtyard security door, these hinges deliver unmatched durability, rust resistance, and ease of use.

🚫 Problem: Heavy Doors That Sag & Wobble Over Time—Wrought iron gates, fire doors, and large courtyard doors often sag due to weak hinges. Our heavy-duty flag hinge features a thickened 4mm steel plate and reinforced pivot design, supporting up to 150kg per pair.

🚫 Problem: Fire Doors That Can’t Be Quickly Removed for Emergencies–Our flag-style detachable design lets you lift the door off the hinge in 10 seconds or less—no tools needed. Perfect for commercial fire doors, where rapid maintenance or evacuation access is critical.

Hinges That Rust & Degrade in Outdoor/High-Moisture Areas？

●If your garden gate or fire door hinge has turned orange with rust after just one rainy season, our 304 stainless steel flag hinge is your fix. Made from food-grade 304 SUS, it resists corrosion, oxidation, and saltwater damage—so it stays like new for decades, even in coastal or humid climates. No more frequent hinge replacements or unsightly rust stains on your door frame.

Fire Safety Compliance: Keep your commercial building up to code with hinges that meet fire door durability and quick-removal requirements.
Garden Gate Durability: Stop your wrought iron gate from sagging or rusting, even with daily use and exposure to the elements.
Courtyard Door Security: Secure heavy exterior doors with hinges that resist forced entry and stay stable for years.