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UL Listed 2 Ball Bearing Fire Rated Stainless Steel Butt Door Hinge
- Product Information
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SS002FR‑2BB UL‑Listed 2‑Ball‑Bearing 4.5x4.5x3.0mm Fire‑Rated Stainless Steel Butt Door Hinge
SS002FR‑2BB 4.5x4.5x3.0mm 2‑ball‑bearing fire‑rated stainless steel butt door hinge manufactured by WINGTEC. Optional stainless‑steel grades 201 / 304 / 316 delivers outstanding anti‑rust, anti‑discoloration and wear‑resistant performance. Five‑knuckle construction with built‑in dual precision ball‑bearing mechanism maintains long‑term lubrication for smooth, silent door opening and closing. 3.0mm leaf thickness delivers solid structural rigidity, supports door weight up to 120KG per hinge pair. Full‑mortise butt mounting, reversible non‑handed design fits left‑hand or right‑hand doors. Multiple pin configurations (fixed pin / non‑removable / loose pin) and diverse hole‑template layout selections available, plus various decorative surface finishes. UL‑Listed UL10C 3‑Hour fire‑rated, fully complies with ANSI/BHMA‑156.1‑2000 and EN1935:2002 standard, conforms to NFPA80 fire‑door requirements, completes strict 200000‑cycle heavy‑duty durability test. Full matching mounting screw accessories included. Optimized for North‑American and European commercial fire‑door specifications, fits wooden, metal, steel fire‑rated interior‑exterior door assemblies. Monthly production capacity reaches 200000 units for B2B wholesale architectural fire‑safety butt hinge tender projects.
Product Specification
Technical Parameter
| Specification | Parameter |
|---|---|
| Product Type | UL‑Listed 4.5x4.5x3.0mm 2‑Ball‑Bearing Five‑Knuckle Fire‑Rated Stainless Steel Full‑Mortise Butt Door Hinge |
| Operation | 2‑ball‑bearing long‑lubrication quiet swing, five‑knuckle structure, full‑mortise butt installation, reversible non‑handed left‑right fit, multiple pin & hole‑template options, UL‑Listed UL10C & ANSI/BHMA‑156.1‑2000 & EN1935 fire‑safety certified, meets NFPA80 |
| Material | 3.0mm stainless‑steel hinge leaf(201/304/316 optional), five‑knuckle body, high‑precision dual ball‑bearing assembly, anti‑rust & anti‑discoloration surface finishing |
| Core Functions | Five‑knuckle robust construction, multi‑grade stainless steel selection, long‑term lubricated ball‑bearing swing, reversible non‑handed mounting, multi‑finish / pin / hole‑template option, max 120kg load capacity, 3‑hour fire‑rated, 200000‑cycle heavy‑duty durability |
| Application | Wooden / Metal / Steel / Fire‑Rated Interior‑Exterior Door Assemblies, commercial and residential fire‑door hardware projects |
| Production Capacity | 200000 Units / Month |
| MOQ | 500 Pairs |
| Sample Time | 5‑7 Working Days |
| Lead Time | 30‑35 Days |
| Packing | 1 Pair / White Box, Standard Export Carton |
Application Scenarios
Commercial & Multi‑Unit Fire‑Door Installations
SS002FR‑2BB UL‑listed 4.5x4.5x3.0mm five‑knuckle 2‑ball‑bearing fire‑rated butt hinge is purpose‑built for commercial and multi‑unit residential fire‑rated door‑sets. Optional 201/304/316 stainless‑steel grades delivers dependable rust‑proof and anti‑discoloration performance. Five‑knuckle robust construction plus dual ball‑bearing maintains long‑term lubrication to ensure quiet and consistent door swing. It supports maximum 120KG door weight per hinge pair. Multiple pin styles and diverse hole‑template layouts are available to match different door‑frame requirements. Reversible non‑handed design reduces separate left‑right‑hand SKU inventory pressure for large‑volume tender projects. UL‑Listed UL10C, ANSI/BHMA‑156.1‑2000 and EN1935 certifications satisfy North‑American and European fire‑safety building‑code requirements for stainless‑steel fire‑rated butt‑hinge assemblies.
Multi‑Material Door New‑Build & Renovation
This five‑knuckle multi‑grade stainless‑steel 3.0‑mm 2‑ball‑bearing fire‑rated butt hinge resists discoloration, surface rust and abrasion. Passed strict 200000‑cycle heavy‑traffic durability test. Works reliably for wooden, metal, steel fire‑rated interior‑exterior door‑sets on new‑construction and retrofit renovation commercial‑residential hardware assignments.
Architectural Hardware Tender Specification Projects
Full set of matching mounting‑screw accessories included. Standard full‑mortise butt mounting with reversible non‑handed configuration. Multiple pin options, diverse hole‑template patterns and wide‑range decorative surface‑finish selections available. UL compliance datasheet, installation drawings and test‑related documentation can be supplied for tender‑submission documentation for commercial‑residential fire‑safety building‑projects.
Product Characteristics
Robust five‑knuckle hinge body, optional 201/304/316 stainless‑steel hinge leaf with dual precision ball‑bearing internal assembly; long‑term lubricated swing performance, anti‑rust, anti‑discoloration and wear‑resistant property for fire‑rated door‑operation
Standard dimension 4.5x4.5 inch, leaf thickness 3.0mm; maximum load‑bearing capacity up to 120KG per hinge pair
Classic full‑mortise butt‑hinge installation, true reversible non‑handed left‑right universal fit; multiple pin‑type & hole‑template selections plus rich decorative‑finish options match different interior‑design themes
UL‑Listed UL10C 3‑Hour fire‑rated, complies with ANSI/BHMA‑156.1‑2000 & EN1935:2002, conforms to NFPA80, passes 200000‑cycle heavy‑duty durability test
Standard full‑mortise butt‑type mounting; fire‑safety optimized for wooden, metal, steel fire‑rated interior‑exterior door assemblies
Complete matching mounting‑screw accessories supplied; monthly capacity 200000 units for B2B wholesale fire‑door‑hinge bulk tender‑orders
Warranty & Customization
Standard quality warranty against manufacturing defects of stainless‑steel hinge‑leaf, five‑knuckle housing and internal precision 2‑ball‑bearing components
Bulk wholesale supply for architectural‑construction and fire‑safety‑door tender‑projects; custom finish, custom‑size, custom‑pin‑style and hole‑template variant options are available
2D installation drawing and product‑performance‑specification datasheet including UL‑ANSI‑EN compliance statement available for tender‑submission documentation
Frequently Asked Questions
What certifications does SS002FR‑2BB hold?
SS002FR‑2BB is UL‑Listed UL10C 3‑Hour fire‑rated, fully complies with ANSI/BHMA‑156.1‑2000 and EN1935:2002 standard, conforms to NFPA80 fire‑door requirements and completes 200000‑cycle heavy‑duty durability test for five‑knuckle 2‑ball‑bearing fire‑rated butt‑hinge hardware.
What door weight fits SS002FR‑2BB fire‑rated butt hinge?
SS002FR‑2BB five‑knuckle dual‑ball‑bearing butt‑hinge supports door‑weight up to 120KG per hinge‑pair, standard dimension 4.5x4.5x3.0mm for commercial fire‑door‑applications.
Can SS002FR‑2BB be used for both left‑hand and right‑hand doors?
Yes, SS002FR‑2BB adopts reversible non‑handed design. One SKU works for both left‑hand and right‑hand full‑mortise‑door installation and reduces project‑inventory SKU count. Installation must follow local fire‑code for fire‑door assemblies.
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