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UL Listed ANSI BHMA Grade 1 4.5x4x4.6mm Fire Rated Stainless Steel Butt Door Hinge
- Product Information
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SS001FR‑4BB UL‑Listed ANSI/BHMA Grade 1 4.5x4x4.6mm Fire‑Rated Stainless Steel Butt door hinge
SS001FR‑4BB 4.5x4x4.6mm 4‑ball‑bearing ANSI/BHMA Grade 1 fire‑rated stainless steel butt door hinge manufactured by WINGTEC. Five‑knuckle construction, available in 201 / 304 / 316 stainless‑steel grades. Adopts four‑piece precision ball‑bearing assembly to deliver long‑term lubricated, ultra‑smooth and silent door swing. 4.6mm heavy‑duty leaf thickness provides excellent structural rigidity for heavy‑weight doors. Multiple pin selections including fixed pin, loose pin, non‑rising removable pin and non‑removable pin; various tip styles: flat, rivet, ball, crown tip are available. Full‑mortise butt mounting, reversible non‑handed for left‑hand and right‑hand door application. Multiple hole‑template layouts and comprehensive decorative surface finish options. UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R42033), meets ANSI/BHMA‑156.1 Grade‑1 requirement with 2,500,000‑cycle test performance, complies with EN1935:2002 and conforms to NFPA80 fire‑door standards. Full matching mounting screw accessories are included. Ideal for heavy‑duty wooden, metal and steel interior & outer fire‑rated door assemblies. Monthly production capacity reaches 200000 units for B2B wholesale commercial architectural fire‑safety tender projects.
Product Specification
Technical Parameter
| Specification | Parameter |
|---|---|
| Product Type | UL‑Listed ANSI/BHMA Grade1 4.5x4x4.6mm 4‑Ball‑Bearing Five‑Knuckle Fire‑Rated Stainless Steel Full‑Mortise Butt Door Hinge, UL File No.R42033 |
| Operation | Four‑ball‑bearing long‑lubrication ultra‑smooth quiet swing, five‑knuckle heavy‑duty construction, multi‑pin & multi‑tip optional, full‑mortise butt installation, reversible non‑handed left‑right fit, multiple hole‑template options, UL‑Listed UL10C(UL File No.R42033) & ANSI/BHMA‑156.1 Grade1 & EN1935 fire‑safety certified, meets NFPA80 |
| Material | 4.6mm stainless‑steel hinge leaf(201/304/316 optional), five‑knuckle housing, high‑precision 4‑ball‑bearing assembly, various decorative surface treatments |
| Core Functions | ANSI Grade‑1 heavy‑duty build(2,500,000‑cycle rating), four‑ball‑bearing long‑term lubricated swing, reversible non‑handed mounting, multi‑finish / pin / tip / hole‑template choices, 4.6mm thick leaf, 3‑hour fire‑rated, heavy‑traffic durability |
| Application | Wooden / Metal / Steel / Fire‑Rated Interior & Outer Door Assemblies, heavy‑duty 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
Heavy‑Duty Commercial Fire‑Door Installations
SS001FR‑4BB UL‑listed ANSI/BHMA Grade‑1 4.5x4x4.6mm five‑knuckle 4‑ball‑bearing fire‑rated butt hinge is purpose‑built for heavy‑duty commercial interior & outer fire‑rated door‑sets. Multiple stainless‑steel material grades deliver dependable anti‑rust performance for interior and outdoor exposure. Four‑ball‑bearing system ensures ultra‑smooth, long‑lubricated quiet swing under heavy‑traffic frequent usage. 4.6mm extra‑thick leaf handles heavy‑weight door load. Flexible choices for pin type, tip style and hole‑template layout satisfy diverse door‑frame requirements. Reversible non‑handed design lowers SKU inventory burden for large‑volume tender orders. UL‑Listed UL10C(UL File No.R42033), ANSI/BHMA‑156.1 Grade‑1(2,500,000 cycles) and EN1935 certifications satisfy North‑American and European heavy‑duty fire‑safety building‑code requirements for stainless‑steel fire‑rated butt‑hinge assemblies.
Heavy‑Weight Door New‑Build & Renovation
This five‑knuckle multi‑grade stainless‑steel 4.6‑mm 4‑ball‑bearing ANSI Grade‑1 fire‑rated butt hinge achieves strict 2,500,000‑cycle heavy‑duty test performance. It is engineered for heavy‑weight wooden, metal and steel fire‑rated interior‑outer door‑sets in new‑construction and retrofit renovation commercial hardware assignments. Rich finish options match different building decoration styles.
Architectural Hardware Tender Specification Projects
Full matching mounting‑screw accessories included. Full‑mortise butt mounting with reversible non‑handed configuration. Wide selection of pin, tip, hole‑template patterns and decorative finishes. UL compliance datasheet, ANSI Grade‑1 test report, installation drawings and compliance documentation can be supplied for tender‑submission for heavy‑duty commercial fire‑safety building‑projects. UL certification under file R42033.
Product Characteristics
Heavy‑duty five‑knuckle hinge housing, optional 201/304/316 stainless‑steel hinge leaf, four‑precision‑ball‑bearing internal assembly; long‑term lubricated ultra‑smooth quiet swing, multi‑pin & multi‑tip configurable for heavy‑duty fire‑rated door‑operation
ANSI/BHMA‑156.1 Grade 1 certified performance, 2,500,000‑cycle durability rating; dimension 4.5x4 inch, extra‑thick 4.6mm hinge leaf for heavy‑door load
Classic full‑mortise butt‑hinge installation, true reversible non‑handed left‑right universal fit; abundant pin‑type, tip‑style, hole‑template and decorative‑finish selections
UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R42033), complies with ANSI/BHMA‑156.1 Grade1 & EN1935:2002, conforms to NFPA80, meets 2.5‑million‑cycle heavy‑duty Grade‑1 requirement
Full‑mortise butt‑type mounting; fire‑safety optimized for heavy‑duty wooden, metal, steel fire‑rated interior & outer door assemblies
Complete matching mounting‑screw accessories supplied; monthly capacity 200000 units for B2B wholesale heavy‑duty 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 4‑ball‑bearing components for ANSI Grade‑1 heavy‑duty usage
Bulk wholesale supply for architectural‑construction and heavy‑duty fire‑safety‑door tender‑projects; custom finish, custom‑size, custom‑pin‑style, tip‑style and hole‑template variant options are available
2D installation drawing, ANSI Grade‑1 test datasheet and UL‑compliance statement documentation available for tender‑submission documentation, UL File R42033
Frequently Asked Questions
What certifications and cycle rating does SS001FR‑4BB hold?
SS001FR‑4BB is UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R42033), ANSI/BHMA‑156.1 Grade‑1 certified with 2,500,000‑cycle heavy‑duty performance, complies with EN1935:2002 and conforms to NFPA80 fire‑door requirements for four‑ball‑bearing heavy‑duty fire‑rated butt‑hinge hardware.
What makes SS001FR‑4BB different from standard fire‑rated hinges?
SS001FR‑4BB features ANSI Grade‑1 2.5‑million‑cycle heavy‑duty rating, 4.6‑mm extra‑thick leaf and four‑ball‑bearing construction for heavier‑weight fire‑rated interior‑outer doors. Dimension 4.5x4x4.6‑mm, UL File No.R42033.
Can SS001FR‑4BB be configured with different pin and tip styles?
Yes, multiple pin styles(fixed / loose / non‑rising removable / non‑removable) and tip styles(flat, rivet, ball, crown tip) are optional. Reversible non‑handed for left‑hand / right‑hand full‑mortise‑door installation. Installation must follow local fire‑code for fire‑door assemblies.
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