What finishes are available?

Finishes include Satin stainless steel, Polished stainless steel, Chrome plated, Antique brass, Antique copper, Matt black, and Physical Vapor Deposition.

Is OEM or ODM service available?

Yes, OEM/ODM customization is supported, including custom logos.

What is the sample time?

Sample time is 5-7 working days.

4 Inch UL Construction Hardware Accessory Stainless Steel 304 Door Butt Hinge

Name: 4 Inch UL Construction Hardware Accessory Stainless Steel 304 Door Butt Hinge
Brand: D&D HARDWARE INDUSTRIAL CO., LIMITED
SKU: 1922869425

Guangdong, ChinaD&D HARDWARE INDUSTRIAL CO., LIMITED

US$2.50

500-1,999 Pieces

US$1.50

2,000-9,999 Pieces

US$0.85

10,000+ Pieces

Sample price:US$3.75/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support

Warranty

5 Year

Model NO.

DDSS001-FR-4X4X3.4-SS304

Type

180°Hinge

Finish

Chrome Plated

Material

Stainless Steel

Customized

OEM/ODM

Certification

UL Listed,10c Fire Rated 3 Hours

UL File Number

R38013

Finished

SSS, Pss, PVD, Pb, Ab, AC, Sc, PC, Sb, MB

Color

Silver, Black, Gold, Antique Brass,Antique Copper

Stainless Steel

201, 304 or 316

Testing

200, 000 Cycles

Fire-Rated

up to 3 Hours

ANSI/Bhma

Grade 1 and Grade 2

Fitting

Flat Tip, Ball Bearing, Fix Pin, Screws

Fitting Material

Stainless Steel

Knuckles

Five

Corner

Square or Round Corner

Non-Removable or Removable

Suitable for

Wooden Door, Metal Door, Fire Rated Door etc.

Transport Package

White Box or Color Box, Carton Packing

Specification

For Export

Trademark

D&D or mark client's logo

Origin

Jiangmen Guangdong, China

HS Code

8302100000

Production Capacity

200, 000 / Month

Key features

UL Listed Fire Rated: Certified UL Listed with up to 3 hours fire rating for safety compliance.

Ball Bearing Design: Equipped with ball bearings for smooth operation and reduced friction.

Premium Stainless Steel: Available in SUS201, SUS304, and SUS316 grades for durability.

OEM/ODM Customization: Professional OEM and ODM services with client logo customization available.

High Cycle Testing: Rigorously tested for 200,000 cycles to ensure long-term reliability.

Multiple Finish Options: Offers Satin, Polished, Chrome Plated, Antique Brass, PVD, and Matt Black finishes.

5 Year Mechanical Warranty: Comprehensive 5-year guarantee covering mechanical defects and performance.

Versatile Application: Suitable for wooden doors, metal doors, and fire-rated doors.

Company profile

Importers and ExportersExhibition ExperienceOEM ServicesHigh Repeat Buyers Choice

D&D HARDWARE INDUSTRIAL CO., LIMITED

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2021-10-12Nearest Port: Jiangmen, Guangzhou, ShenzhenAverage Response Time: ≤4.33hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, DDP, CIF, DAP

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory in Jiangmen, with a stated business scope covering sales and production of hardware, building materials, household products, appliances, and bathroom fixtures, as well as related R&D and import/export activities. It reports substantial export activity, self-operated import/export rights, OEM service for well-known brands, ODM service, and broad customization capabilities. Innovation evidence includes two R&D engineers and new products launched during the past year, but no SDK is available. Service operations have several documented procedural gaps: complaint handling, supplier assessment, and corrective/preventive actions reportedly lack written records, while overseas warehouses, showrooms, agents, and branches are unavailable. Quality-control evidence is incomplete, with zero stated test equipment and unknown quality assurance and traceability status. No certification information or explicit customer case details are provided.

After-Sales capabilityThe supplier has a complaint-handling procedure, but no written records, and its service-capability assessment and corrective/preventive-action procedures likewise lack records. It has no overseas warehouse, showroom, agent, or branch, although it can provide international quotation terms and reports peak-season lead time of one month. The evidence shows basic service procedures and export coordination, but significant limitations in documented after-sales execution and overseas support.

R&D capabilityThe supplier reports two R&D engineers, new products launched during the past year, R&D responsibilities covering new product development and technical support, and ODM service. However, it has no available SDK, and the small stated R&D team provides only limited evidence of scale. The supplier demonstrates active product-development capability, though its technical-development resources appear limited.

Production capacityThe supplier is identified as a factory with production in its business scope, reports 50 qualified service-capability suppliers, exports 71%–90% of total sales, has self-operated import/export rights, and states off-season lead time within 15 workdays and peak-season lead time of one month. Against this, quality assurance and traceability status are unknown, and the stated quantity of quality-control test equipment is zero. Production and export capability are indicated, but quality-control infrastructure presents an explicit deficiency.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of broad product-design and customization support.