| Parameter | Specification |
|---|---|
| Material | 304 / 316 Stainless Steel |
| Type | Flat Ball Bearing Door Hinge |
| Model | F9201 |
| Size | 4 Inch / 5 Inch |
| Thickness | 3.0 mm |
| Finish | Brushed / Satin / Polished |
| Mechanism | 4 Ball Bearings |
| Opening Angle | 180° |
| Function | Silent, Heavy-Duty, Rust-Proof |
| Application | Wooden Doors, Metal Doors, Fire-Rated Doors |
| Mounting Type | Screw-On Flush Type |
| Customization | Size, Finish, Logo, Packaging |
| Packaging | Bulk Carton / Individual Bag + Box |
🔩 Heavy-Duty Ball Bearing Precision
Our F9201 stainless steel ball bearing door hinges are designed for long-term durability and silent operation. Equipped with four precision-engineered ball bearings, they minimize friction, providing a smooth, quiet swing even under heavy door loads.
The flat hinge design offers a clean, flush appearance while maintaining structural strength. Perfect for both wooden and metal doors, these hinges are suitable for residential, commercial, and industrial installations.
🧱 Premium Stainless Steel Construction
Manufactured from 304 or 316 stainless steel, these hinges resist rust and deformation. The 3.0 mm thick leaves ensure excellent stability for large or heavy doors, while the brushed or satin finish provides an elegant aesthetic.
Each hinge undergoes torque and corrosion testing to guarantee superior performance and consistent quality.
🧰 Reliable Wholesale Supply & OEM Service
As a professional Door Hinges Manufacturers group, we provide wholesale door hinges in large quantities for distributors, builders, and furniture factories.
Our factory supports:
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Bulk manufacturing with stable pricing and strict QC
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OEM customization (sizes, materials, finishes, and logos)
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Tailored packaging solutions for export and retail markets
You can also explore:
These related pages cover a full range of hinge materials and specifications for various architectural and furniture projects.
🏠 Ideal Applications
✅ Interior and exterior wooden doors
✅ Steel and aluminum frame doors
✅ Fire-rated and security doors
✅ Heavy furniture and industrial enclosures
The 4-bearing design ensures smooth rotation and longer hinge life, reducing maintenance frequency and improving user comfort.
🌍 Why Choose Our Wholesale Door Hinges?
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Factory-direct pricing with flexible MOQ
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CNC precision manufacturing with tight tolerances
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Polished or brushed finishes for anti-corrosion performance
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ISO-certified quality and global export service
Our automated assembly and polishing lines ensure each hinge delivers consistent motion, quiet performance, and long-term reliability.
📦 Packaging & Delivery
Each hinge is wrapped in protective film and placed in bulk cartons or custom OEM boxes.
Large orders are palletized for export via air, sea, or express freight, with full shipping documentation provided.
FAQs
Q1: What’s the advantage of using 4 ball bearings in door hinges?
The additional bearings ensure smoother operation, reduce wear, and increase load-bearing capacity for heavy doors.
Q2: Can these hinges be used for both wooden and metal doors?
Yes. The stainless steel body and 3.0 mm thickness make them perfect for both wooden and steel structures.
Q3: Do you offer bulk pricing for distributors?
Absolutely. As a wholesale door hinges supplier, we provide tiered pricing and OEM packaging for large-volume clients.