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UL Listed 2 Ball Bearing Fire Rated Stainless Steel Butt Door Hinge
- Product Information
SS001FR‑2BB UL‑Listed 2‑Ball‑Bearing 4x3.5x3.0mm Fire‑Rated Stainless Steel Butt Door Hinge
| Specification | Parameter |
|---|---|
| Product Type | UL‑Listed 4x3.5x3.0mm 2‑Ball‑Bearing Fire‑Rated SS304 Stainless Steel Full‑Mortise Butt Door Hinge for American Market |
| Operation | Dual ball bearing for smooth quiet swing, full mortise butt installation, reversible non‑handed left‑right fit, UL10C 3 hour fire rated, ANSI/BHMA & EN1935 certified |
| Material | 3.0mm SS304 stainless steel hinge leaf, dual ball bearing assembly, anti‑rust surface finishing |
| Core Functions | American market fire rated hinge, reversible non‑handed, smooth silent rotation, max load 100kg per pair, 200,000 cycle heavy‑duty durability |
| Application | Wooden / Metal / Steel / Fire‑Rated Interior‑Exterior Door Assemblies, North America commercial fire door hardware projects |
| Durability Test | 200,000 Cycles |
| MOQ | 500 Pairs |
| Sample Time | 5‑7 Working Days |
| Lead Time | 30‑35 Days |
| Packing | 1 Pair / White Box, Standard Export Carton |
Application Scenarios
North American Commercial Fire Door Projects
SS001FR‑2BB UL‑listed 4x3.5x3.0mm 2‑ball‑bearing SS304 fire‑rated butt hinge is engineered for American market fire door assemblies. SS304 stainless steel material provides excellent corrosion resistance. Dual ball bearing design guarantees smooth, quiet door movement for long‑term daily use. Max load capacity up to 100KG per pair. Reversible non‑handed design reduces inventory SKU quantity for large tender orders. UL10C 3‑hour fire rating, ANSI and EN certifications meet local building code requirements for fire safety hardware.
Interior & Exterior Fire Door Retrofit & New Construction
This SS304 fire rated butt hinge passes 200,000 cycles durability test. It works well for wooden, metal and steel fire rated doors in new construction and renovation projects. Full mortise installation ensures stable mounting, multiple finish options match different architectural decoration styles.
architectural hardware Tender Specification
Matching mounting screws are supplied together. Reversible non‑handed full mortise structure. Multiple surface finish options available. Certification documents, installation drawings and technical datasheets can be provided for tender submission of commercial building fire safety projects.
Premium SS304 stainless steel construction, built‑in dual ball bearing for smooth silent door swing, anti‑corrosion performance for interior and exterior usage
Standard dimension 4x3.5 inch, leaf thickness 3.0mm; maximum load‑bearing capacity up to 100KG per hinge pair
Classic full‑mortise butt hinge installation, reversible non‑handed universal fit for left hand and right hand doors; multiple decorative finish options for different design demands
UL‑Listed UL10C 3‑Hour fire‑rated, complies with ANSI/BHMA‑156.1‑2000 & EN1935:2002, passes 200,000‑cycle durability test
Full mortise mounting, ideal for wooden, metal, steel fire‑rated interior‑exterior door assemblies in American market
Complete matching mounting screw accessories supplied; bulk B2B wholesale available for North American architectural hardware projects
Standard quality warranty against manufacturing defects of stainless steel hinge leaf and internal 2‑ball‑bearing components
Bulk wholesale for commercial construction and fire safety door tender projects; custom finishes available
2D installation drawing and technical datasheet with compliance statement available for tender submission




