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Premium Quality Black Oxide Carbon Steel Mechanical Flat Washer
US$0.05
100-999 Pieces
US$0.03
1,000-9,999 Pieces
US$0.01
10,000+ Pieces
Product specifications
Diameter
Thickness
Sample price:US$0.01/piece.Request sample
Product profile
Customization
AvailableType
Flat GasketMaterial
Carbon SteelModel NO.
Carbon Steel WasherCombination Washer Structure
A TypeCombination Washer Packaging
All InclusiveSpring Washer Type
StandardProduct
WasherTrade Term
EXW/FobSurface
as RequiredSize
as Per StandardThickness
as RequiredHeat Treatment
Quenching and TemperingManufacturing Process
Cold ForgingDimensional Tolerance
Standard ToleranceSalt Spray Test
AvailablePlating Thickness
as RequiredMaterial Certificate
AvailableOEM Service
AvailableLoading Port
Shanghai PortPayment
T/TCertificate of Origin
AvailableTransport Package
Carton+PalletSpecification
M3-M30Trademark
GTOrigin
ShanghaiKey features
Reliable Fastening: High-quality washers provide stable load distribution and reliable fastening support for various applications.
Secure Connection: Properly sized washers help distribute pressure evenly and improve the stability of bolted connections.
Consistent Quality: Strict quality control ensures accurate dimensions, smooth surfaces and dependable performance for every washer.
Wide Applications: Suitable for construction, machinery, automotive and industrial equipment, meeting diverse fastening needs.
Flexible Selection: Various sizes and material options meet different fastening requirements and assembly conditions.
Company profile
Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤2.98hTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryThe supplier is a Shanghai-based limited trading company with 41 employees, focused on fasteners and related metal, mechanical, plastic, rubber, electrical, and photovoltaic products. It offers sample-, design-, and full-customization services, as well as ODM and OEM services, and reports export sales of 71%–90%. In-stock service is available, but there is no overseas warehouse, showroom, agent, or branch. Financial records are identified for 2022–2024, but no financial values or performance conclusions are provided. Service-process evidence is weak: no written corrective/preventive-action or complaint-handling procedures or records are available, while quality-assurance status and fire-drill status are unknown. No certifications, customer cases, or production facilities are explicitly documented.
Supplier typeThe supplier is identified as a limited company and trading company, with 41 employees, no stated parent-group affiliation, and a Shanghai registered and physical address. Its stated product scope centers on fasteners and related industrial products.
After-Sales capabilityThe supplier has in-stock service capacity, but it has no overseas warehouse, showroom, overseas agent, or branch. More importantly, no written corrective/preventive-action procedures or records and no written customer-complaint procedures or records are available, indicating a documented after-sales process is not demonstrated.
R&D capabilityThe supplier lists research and development of metal products and hardware products, and offers ODM services. However, no SDK is available, and the information does not provide measurable R&D resources, patents, or development outcomes; the documented capability is therefore limited but present.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, and full customization, together with ODM and OEM services for popular brands. These statements provide direct evidence of broad customization and design-manufacturing service capability.
Product Q&A
Q:What is your company's main business?
A:
We are a production and trade integrated fastener manufacturing and export company, integrating production and sales. Our main products include bolts, nuts, screws, washers, rivets and other standard and non-standard fasteners, which are widely used in construction, automotive, machinery, electronics and other industries.
Q:Where is your factory located?
A:
Our factory is situated in Dongtai City, Jiangsu Province, China. It has 15 fastener production lines with an annual capacity of 35,000 tons, which can meet the demands of large-scale orders.
Q:Do you have export qualifications?
A:
Yes, we have the right to operate import and export business and have passed ISo 9001 quality management system certification, CE certification, RoHS certification, etc., to ensure that our products meet international export standards.
Q:What materials of fasteners can you produce?
A:
We can provide fasteners made of various materials such as carbon steel, stainless steel (304/316), alloy steel, copper, aluminum, titanium alloy, etc., and support customized surface treatments (such as galvanizing, Dacromet, hot-dip galvanizing, etc.).
Q:Do you support non-standard customization? What is the minimum order quantity (MOQ)?
A:
We support non-standard customization (such as special sizes, threads, surface treatments, etc.). The MOQ needs to be negotiated based on specific customization requirements and product types.
Send Inquiry
*To:
Shanghai Borui Metal Products Co., Ltd.
Shanghai Borui Metal Products Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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