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UL Listed 2 Ball Bearing Silver Fire Rated Stainless Steel Butt Door Hinge
- Product Information
Satin Stainless
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SS003FR UL‑Listed 2‑Ball‑Bearing Silver Fire‑Rated Stainless Steel Butt door hinge
SS003FR silver finish fire‑rated stainless steel butt door hinge manufactured by WINGTEC. Five‑knuckle hinge body with dual precision two‑piece ball‑bearing unit delivers long‑term lubricated, smooth and silent door swing. Available in 201 / 304 / 316 stainless‑steel grades for different corrosion‑resistance requirements. Silver surface finish is the standard option, supporting door weight up to 80KG per hinge pair. Standard full‑mortise butt mounting, reversible non‑handed design works for both left‑hand and right‑hand doors. Multiple hole‑template layouts and abundant decorative surface finish selections are optional. 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 are supplied. Suitable for wooden, metal and steel fire‑rated interior 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 2‑Ball‑Bearing Five‑Knuckle Silver Fire‑Rated Stainless Steel Full‑Mortise Butt Door Hinge |
| Operation | Two‑ball‑bearing long‑lubrication quiet swing, five‑knuckle heavy‑duty structure, full‑mortise butt installation, reversible non‑handed left‑right fit, multiple hole‑template options, UL‑Listed UL10C & ANSI/BHMA‑156.1‑2000 & EN1935 fire‑safety certified, meets NFPA80 |
| Material | Stainless‑steel hinge leaf(201/304/316 optional), five‑knuckle housing, high‑precision dual ball‑bearing assembly, silver decorative surface finishing |
| Core Functions | Five‑knuckle construction, two‑ball‑bearing long‑term lubricated swing, reversible non‑handed mounting, multi‑finish / hole‑template option, max 80kg load capacity, 3‑hour fire‑rated, 200000‑cycle heavy‑duty durability |
| Application | Wooden / Metal / Steel / Fire‑Rated Interior Door Assemblies, commercial fire‑safety 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
Silver Finish Commercial Fire‑Door Installations
SS003FR UL‑listed silver finish five‑knuckle fire‑rated butt hinge is designed for interior fire‑rated door assemblies. Optional 201/304/316 stainless‑steel grades deliver dependable anti‑rust performance for indoor usage. Five‑knuckle heavy‑duty construction together with dual ball‑bearing system keeps long‑term lubrication for consistent quiet door swing. Max supporting door weight up to 80KG per hinge pair. Diverse hole‑template layouts can match different door‑frame requirements. Reversible non‑handed design lowers SKU inventory pressure for large‑volume tender orders. 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.
Interior Door New‑Build & Renovation
This five‑knuckle multi‑grade stainless‑steel silver finish 2‑ball‑bearing fire‑rated butt hinge passes strict 200000‑cycle heavy‑traffic durability test. Classic silver surface finish matches most interior architectural decoration styles. It performs steadily on wooden, metal, steel fire‑rated interior door‑sets in new‑construction and retrofit renovation commercial‑residential hardware assignments.
Architectural Hardware Tender Specification Projects
Full matching mounting‑screw accessories included. Full‑mortise butt mounting with reversible non‑handed configuration. Diverse hole‑template patterns and abundant decorative surface‑finish selections available. UL compliance datasheet, installation drawings and compliance documentation can be supplied for tender‑submission documentation for commercial fire‑safety building‑projects.
Product Characteristics
Heavy‑duty five‑knuckle hinge housing, optional 201/304/316 stainless‑steel hinge leaf with dual precision ball‑bearing internal assembly; long‑term lubricated swing performance, silver finish option for interior fire‑rated door‑operation
Maximum load‑bearing capacity up to 80KG per hinge pair
Classic full‑mortise butt‑hinge installation, true reversible non‑handed left‑right universal fit; rich decorative‑finish options match interior architectural 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
Full‑mortise butt‑type mounting; fire‑safety optimized for wooden, metal, steel fire‑rated interior 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 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 SS003FR hold?
SS003FR 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 can SS003FR support?
SS003FR five‑knuckle dual‑ball‑bearing butt‑hinge supports door‑weight up to 80KG per hinge‑pair, ideal for interior fire‑door applications.
What is the main finish option for SS003FR?
SS003FR standard finish is silver. Multiple alternative decorative finishes are available. Reversible non‑handed design works for both left‑hand and right‑hand full‑mortise‑door installation. Installation must follow local fire‑code for fire‑door assemblies.
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