Import Factory Supply F436 Nlack Finish Washer — Buy in wholesale FOB from Supplier in China
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Factory Supply F436 Nlack Finish Washer
The F436 black finish washer is a heavy-duty load-distributing component manufactured to meet ASTM F436 and DIN 6916 standards, designed for structural bolted connections in industrial and construction applications. It is produced in carbon steel and alloy steel variants, with a black oxide surface treatment that offers moderate corrosion resistance and a matte finish suitable for painted or coated assemblies. Dimensions follow standard thickness and outer diameter ranges for F436 washers, with thicknesses typically between 3.2 mm and 6.4 mm depending on bolt size.
Material composition is either ASTM A36 carbon steel or AISI 4140 alloy steel, with hardness levels calibrated to 33-45 HRC as required by F436 specifications. The black oxide finish is applied through controlled chemical conversion, not plating, and does not add measurable thickness to the washer. Surface quality is inspected for uniformity and absence of flaking or peeling. Packaging is standardized at 25 kg per box, with 36 boxes per pallet, optimized for bulk handling and warehouse efficiency.
These washers are commonly purchased by structural fabricators, bridge construction firms, and heavy machinery manufacturers requiring certified load-spreading hardware. Buyers often source them for use with ASTM A490 or A325 bolts in seismic-rated or high-tension applications. Trade terms include FOB Ningbo port, with bulk orders accepted in full container loads. Customization for non-standard sizes or material grades is available upon request, subject to tooling validation.
| Standard | ASTM F436, ASTM F436M, DIN 6916 |
| Material | Carbon steel, alloy steel |
| Surface finish | Black oxide |
| Hardness range | 33-45 HRC |
| Thickness range | 3.2 mm to 6.4 mm (typical for M12 to M30 bolt sizes) |
| Outer diameter range | 38 mm to 76 mm (standard per F436 for bolt diameters up to M36) |
| Inner diameter tolerance | +0.2 mm / -0.0 mm (standard for clearance fit over bolt shank) |
| Packaging | 25 kg per box, 36 boxes per pallet |
| Corrosion resistance | Black oxide provides minimal corrosion protection; typical for indoor or painted applications |
| Certification | Batch-level material test reports available on request |
Ningbo S&D Metalwork Co., Ltd operates from Yinzhou District, Ningbo, Zhejiang, China, with production facilities focused on precision metal fasteners and washers. The company is registered as a manufacturer with export experience, and its trust tier indicates verified facility status. Response metrics are not available, suggesting limited digital engagement, but the listing confirms direct production capability and capacity for OEM customization.
The supplier does not claim certifications such as ISO 9001, nor does it list client names, revenue, or years in operation. It does not advertise a dedicated QA lab or third-party testing, but the product specifications align with recognized industry standards. The listing emphasizes competitive pricing and bulk packaging, indicating a cost-driven manufacturing model focused on volume export markets.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Sourcing Factory Supply F436 Black Finish Washer from Ningbo S&D Metalwork Co., Ltd - China Import Guide
Before ordering, verify the material grade and hardness certification for each batch. Confirm that the black oxide finish meets your environmental exposure requirements, and request a material test report if the washer will be used in structural applications. Ensure the inner and outer diameters match your bolt and nut specifications to prevent joint failure under load.
Confirm the Incoterms with the supplier - FOB Ningbo is standard. Lead time for bulk orders is typically 25 to 40 days after deposit, depending on production scheduling. Payment terms are usually 30% advance with balance against shipping documents. Always request a packing list and commercial invoice that matches the F436 standard designation.
Perform a random sample inspection upon arrival, checking for surface defects, dimensional accuracy, and hardness consistency. Use a Rockwell hardness tester on at least 5 samples per batch. Verify that packaging is labeled with the standard, material, and batch number. Retain samples for potential third-party testing if quality disputes arise.
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30 suppliersBuy Factory Supply F436 Nlack in Bulk — Verified Supplier in China
When sourcing Factory Supply F436 Nlack Finish Washer 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 $0.5/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.
Factory Supply F436 Nlack Specifications, Trade Terms & Pricing
Importing Factory Supply F436 Nlack 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 import export marketplace designed to make cross-border trade secure and efficient.
About Ningbo S&D Metalwork Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Factory Supply F436 Nlack 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 online B2B marketplace. Start your sourcing journey today.
Import Factory Supply F436 Nlack — Shipping, Logistics & Customs
Importing Factory Supply F436 Nlack 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).
Frequently Asked Questions About Factory Supply F436 Nlack
What is the wholesale price of Factory Supply F436 Nlack Finish Washer?
The current listed wholesale price for Factory Supply F436 Nlack Finish Washer from Ningbo S&D Metalwork Co., Ltd is $0.5/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.
What is the Minimum Order Quantity (MOQ) for Factory Supply F436 Nlack?
The supplier, Ningbo S&D Metalwork Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Factory Supply F436 Nlack. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Factory Supply F436 Nlack Finish Washer?
The HS Code classification for Factory Supply F436 Nlack Finish Washer 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.
How can I import Factory Supply F436 Nlack from China?
To import Factory Supply F436 Nlack 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.
Is Ningbo S&D Metalwork Co., Ltd a verified supplier?
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.
What are the key specifications of Factory Supply F436 Nlack Finish Washer?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Ningbo S&D Metalwork Co., Ltd through EximNext.
What packaging options are available for bulk orders of Factory Supply F436 Nlack?
Ningbo S&D Metalwork Co., Ltd offers Factory Supply F436 Nlack with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Factory Supply F436 Nlack the most?
Factory Supply F436 Nlack is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Ningbo S&D Metalwork Co., Ltd through our platform.
What certifications does this Factory Supply F436 Nlack supplier hold?
Ningbo S&D Metalwork Co., Ltd maintains international quality certifications. These ensure that the Factory Supply F436 Nlack meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Factory Supply F436 Nlack Finish Washer on EximNext?
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.
What payment methods are accepted?
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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