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Ningbo S D Metalwork Co., Ltd supplies flat washers coated with Dacromet, a zinc-aluminum flake-based coating offering corrosion resistance without electroplating. Outer diameters range from 8 mm to 60 mm, thicknesses from 1.0 mm to 6 mm, and inner holes match M4 to M24 bolt sizes. The product is engineered for high-stress environments where rust prevention is critical.
Dacromet coating typically contains 85% zinc and 15% aluminum flakes in a chromate-free aqueous solution, baked at 300°C to form a ceramic-like layer. This provides 500 to 1,000 hours of salt spray resistance, far exceeding standard zinc plating. The base material is low-carbon steel, with a tensile strength of 400 to 500 MPa. The coating thickness is typically 8 to 12 microns, though exact values are not confirmed by the supplier.
These washers are purchased by automotive manufacturers, heavy machinery assemblers, and infrastructure contractors in Europe, North America, and Southeast Asia. Buyers often require batch-specific salt spray test reports and RoHS compliance. MOQ and lead time are not listed; packaging is typically in anti-rust paper-lined cartons. Trade terms such as FOB or CIF are mentioned in the source but not confirmed as available for this listing.
| Coating type | Dacromet (zinc-aluminum flake) |
| Base material | Low-carbon steel |
| Outer diameter range | 8 mm to 60 mm |
| Thickness range | 1.0 mm to 6 mm |
| Coating thickness | Typical: 8 to 12 microns |
| Salt spray resistance | Typical: 500 to 1,000 hours |
| Inner diameter tolerance | ±0.1 mm |
| Tensile strength of base | Typical: 400 to 500 MPa |
| Coating standard | Typical: ASTM B695, Type 11 |
| Packaging | Typical: Anti-rust paper-lined cartons, 1,000 to 2,000 pieces per carton |
Ningbo S D Metalwork Co., Ltd is located in Ningbo, Zhejiang Province, China, with a registered address in the industrial zone. The company specializes in metal fasteners and surface-treated components, with no public information on workforce size, production capacity, or years in operation. The listing does not confirm ISO certification, laboratory testing, or export volume.
No details are provided on client names, certifications, or quality control processes beyond the mention of ISO and SGS in the source description. These claims are not verified in the data. Buyers must request independent test reports for Dacromet coating thickness, adhesion, and salt spray performance before committing to bulk orders.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Before ordering, verify the Dacromet coating composition, thickness, and salt spray test results with a third-party lab report. Confirm that the base steel meets ASTM A36 or equivalent. Request samples to check for coating uniformity and absence of white rust or blistering. Do not rely on supplier claims without documented proof.
Lead time, Incoterms, and payment terms are mentioned in the source but not confirmed for this listing. Buyers must clarify whether delivery is FOB Ningbo, CIF destination, or EXW. Confirm packaging includes moisture barriers and labeling in English. Negotiate payment via LC or T/T against shipping documents, not upfront full payment.
For quality control, inspect coating color for consistency - Dacromet should be gray-silver, not patchy. Use a magnetic thickness gauge to measure coating depth. Conduct a salt spray test on 3 samples from each batch. Ensure all documentation includes batch numbers, coating test reports, and a packing list with weight per carton for customs clearance.
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When sourcing Flat Washer Dacromet for your business, securing the right balance of quality and cost is essential. Ningbo S D Metalwork Co., Ltd, a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1200/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Nuts sector with strong demand from importing countries worldwide.
Importing Flat Washer Dacromet requires careful attention to shipping logistics, customs compliance, and secure payment terms. Ningbo S D Metalwork Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Flat Washer Dacromet has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Nuts category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Importing Flat Washer Dacromet requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for Flat Washer Dacromet from Ningbo S D Metalwork Co., Ltd is $1200/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Ningbo S D Metalwork Co., Ltd through EximNext.
The supplier, Ningbo S D Metalwork Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Flat Washer Dacromet. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
The HS Code classification for Flat Washer Dacromet depends on the specific grade and form. Contact Ningbo S D Metalwork Co., Ltd through EximNext for the exact HS Code and customs documentation required for your destination country.
To import Flat Washer Dacromet from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Ningbo S D Metalwork Co., Ltd. Ensure you have the necessary import licenses for Nuts products in your destination country.
Yes, Ningbo S D Metalwork Co., Ltd is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Ningbo S D Metalwork Co., Ltd through EximNext.
Ningbo S D Metalwork Co., Ltd offers Flat Washer Dacromet with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Flat Washer Dacromet is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Ningbo S D Metalwork Co., Ltd through our platform.
Ningbo S D Metalwork Co., Ltd maintains international quality certifications. These ensure that the Flat Washer Dacromet meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Ningbo S D Metalwork Co., Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Ningbo S D Metalwork Co., Ltd.
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