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8‑Inch Heavy‑Duty Stainless Steel Ball‑Bearing Outdoor Fire‑Rated Butt Door Hinge
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SS054 8‑Inch Heavy‑Duty Stainless Steel Ball‑Bearing Outdoor Fire‑Rated Butt Door Hinge
SS054 8‑inch heavy‑duty ball‑bearing outdoor butt door hinge manufactured by WINGTEC. Five‑knuckle heavy‑duty construction, available in 201 / 304 / 316 stainless‑steel grades for superior outdoor anti‑corrosion performance. Built‑in precision ball‑bearing unit delivers long‑term lubricated, ultra‑smooth and silent door swing. Multiple dimension selections:8.0"x5.0"x4.6mm,8.0"x4.5"x4.6mm,8.0"x4.0"x3.0mm. Wide range of hole‑pattern options: template, zig‑zag symmetrical / left / right; multiple pin styles including fixed pin, loose pin, non‑rising removable pin, non‑removable pin; tip choices: flat, ball, rivet, crown tip. Full‑mortise square‑corner mounting, reversible non‑handed for left‑hand and right‑hand door installation. Abundant decorative surface finish selections. UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R42033), complies with EN1935 CE standards and conforms to NFPA80 fire‑door requirements. Full matching wood & machine mounting screw accessories are supplied. Specially designed for heavy‑weight wooden, metal and steel interior‑exterior / outdoor door assemblies. Widely adopted for education, healthcare, hospitality, government and office building hardware projects. Monthly production capacity reaches 200000 units for B2B wholesale heavy‑duty outdoor architectural tender projects.
Product Specification
Technical Parameter
| Specification | Parameter |
|---|---|
| Product Type | UL‑Listed 8‑Inch Heavy‑Duty Multi‑Size Five‑Knuckle Ball‑Bearing Full‑Mortise Square‑Corner Outdoor Stainless Steel Butt Door Hinge, UL File No.R42033 |
| Operation | Precision ball‑bearing long‑lubrication ultra‑smooth quiet swing, five‑knuckle heavy‑duty outdoor‑grade construction, multi‑pin & multi‑tip configurable, template / zig‑zag hole‑pattern options, full‑mortise square‑corner installation, reversible non‑handed left‑right fit, UL‑Listed UL10C(UL File No.R42033) & EN1935 CE fire‑safety certified, meets NFPA80 |
| Material | Stainless‑steel hinge leaf(201/304/316 optional for outdoor anti‑corrosion), five‑knuckle housing, high‑precision ball‑bearing assembly, multiple decorative surface treatments |
| Core Functions | 8‑inch heavy‑duty outdoor‑grade five‑knuckle construction, multi‑size selection, ball‑bearing long‑term lubricated swing, reversible non‑handed mounting, multi‑finish / pin / tip / hole‑pattern choices, 3‑hour fire‑rated, heavy‑load & outdoor anti‑corrosion durability |
| Application | Heavy‑weight Wooden / Metal / Steel Interior‑Exterior / Outdoor Door Assemblies, Education, Healthcare, Hospitality, Government & Office building hardware tender 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 / Color Box / Blister Card, Standard Export Carton |
Application Scenarios
Heavy‑Duty Outdoor & Exterior Commercial Door Installations
SS054 8‑inch heavy‑duty ball‑bearing butt hinge is purpose‑built for heavy‑weight outdoor and exterior door‑sets. Optional 201/304/316 stainless‑steel grades deliver enhanced anti‑rust and anti‑corrosion performance for outdoor exposed environments. Precision ball‑bearing system maintains long‑term lubricated ultra‑smooth quiet swing under high‑frequency heavy‑traffic usage. Multiple 8‑inch dimension options cover diverse heavy‑door load requirements. Flexible hole‑pattern(template / zig‑zag), pin and tip selections satisfy hollow‑metal and wooden door‑frame requirements. Reversible non‑handed design reduces SKU inventory burden for large‑volume tender orders. UL‑Listed UL10C(UL File No.R42033) and EN1935‑CE certifications fulfill international fire‑safety building‑code standards for outdoor heavy‑duty butt‑hinge assemblies.
Institutional Facilities New‑Build & Renovation
This five‑knuckle multi‑grade stainless‑steel 8‑inch heavy‑duty ball‑bearing butt hinge adapts to heavy‑weight wooden, metal and steel interior‑exterior / outdoor door‑sets. Widely selected for education campus, healthcare hospital, hospitality hotel, government and office facility new‑construction and retrofit renovation hardware assignments. Abundant finish choices match various public‑building interior‑exterior decoration styles.
Architectural Hardware Tender Specification Projects
Full matching machine & wood mounting‑screw accessories included. Full‑mortise square‑corner butt mounting with reversible non‑handed configuration. Wide selection of sizes, hole‑patterns, pin‑tip styles and decorative finishes. UL compliance datasheet, EN1935‑CE test documentation, installation drawings and compliance papers can be supplied for tender‑submission for heavy‑duty institutional building‑projects, UL certification under file R42033.
Product Characteristics
Robust 8‑inch heavy‑duty five‑knuckle hinge housing, optional 201/304/316 stainless‑steel hinge leaf for outdoor anti‑corrosion, internal precision ball‑bearing assembly; long‑term lubricated ultra‑smooth quiet swing, configurable multi‑pin & multi‑tip for heavy‑weight exterior door‑operation
Multiple 8‑inch dimension portfolio for various heavy‑door load demands; support template and zig‑zag hole‑pattern for wood / hollow‑metal door frames, outdoor‑focused corrosion‑resistant design
Full‑mortise square‑corner butt‑hinge installation, true reversible non‑handed left‑right universal fit; abundant pin‑type, tip‑style, hole‑pattern and decorative‑finish selections
UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R42033), complies with EN1935 CE, conforms to NFPA80 fire‑door requirements for outdoor heavy‑duty butt‑hinge hardware
Square‑corner full‑mortise mounting; heavy‑load & anti‑corrosion optimized for wooden, metal, steel heavy‑weight interior‑exterior / outdoor door assemblies
Complete matching mounting‑screw accessories supplied; monthly capacity 200000 units for B2B wholesale heavy‑duty outdoor door‑hinge bulk tender‑orders
Warranty & Customization
Standard quality warranty against manufacturing defects of stainless‑steel hinge‑leaf, five‑knuckle housing and internal precision ball‑bearing components for heavy‑duty outdoor institutional usage
Bulk wholesale supply for architectural‑construction and heavy‑duty outdoor door tender‑projects; custom finish, custom‑size, custom‑pin‑style, tip‑style and hole‑pattern variant options are available
2D installation drawing, performance datasheet and UL‑compliance statement documentation available for tender‑submission documentation, UL File R42033
Frequently Asked Questions
What certifications does SS054 hold?
SS054 is UL‑Listed UL10C 3‑Hour fire‑rated(UL File No.R42033), complies with EN1935 CE and conforms to NFPA80 fire‑door requirements for 8‑inch heavy‑duty outdoor five‑knuckle ball‑bearing butt‑hinge hardware.
Is SS054 suitable for outdoor exterior doors?
Yes, SS054 8‑inch heavy‑duty butt hinge is specially engineered for outdoor / exterior heavy‑weight door applications. 201/304/316 stainless‑steel material grades provide different levels of anti‑corrosion performance for exposed outdoor environments.
Can SS054 change hole‑pattern, pin and tip style?
Yes, multiple hole‑patterns(template / zig‑zag left‑right‑symmetrical), pin styles and tip styles 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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