Import Din603 Carriage Bolts Round Head Screws — Buy in wholesale FOB from Supplier in China
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DIN603 Carriage Bolts Round Head Screws
The DIN603 carriage bolts from Ningbo Beilun Milfast Metalworks Co. Ltd are manufactured in stainless steel grades SS 304, SS 316, and SS 316L, with mechanical grades A2-70, A2-80, A4-70, and A4-80. These bolts feature a round head with square neck and are designed for corrosion-resistant applications. The product complies with DIN, ASME, ANSI, and ISO standards. The inclusion of a spring washer in the assembly enhances anti-vibration performance, a feature not standard in all DIN603 bolts.
Stainless steel variants use austenitic alloys with minimum 18% chromium and 8% nickel for SS 304, and added molybdenum in SS 316 for improved pitting resistance. A2-70 corresponds to a minimum tensile strength of 700 MPa, while A4-80 reaches 800 MPa. The spring washer is integrated into the design to maintain clamping force under dynamic loads. Surface finish is not specified beyond material, but the ROHS certification indicates compliance with restrictions on hazardous substances like lead and cadmium.
These bolts are primarily used in marine equipment, chemical processing, food processing machinery, and outdoor structural installations where corrosion resistance is critical. Buyers include OEMs in the marine, pharmaceutical, and renewable energy sectors. Packaging is customisable, though not specified. MOQ and lead time are not stated. Trade terms are not listed. The supplier emphasizes environmental compliance and material traceability through material certifications.
| Standard | DIN603, ASME B18.5, ISO 4014 |
| Head type | Round head with square neck |
| Material options | SS 304, SS 316, SS 316L |
| Mechanical grade | A2-70, A2-80, A4-70, A4-80 |
| Tensile strength for A2-70 | 700 MPa minimum, standard for austenitic stainless steel per ISO 3506 |
| Tensile strength for A4-80 | 800 MPa minimum, standard for molybdenum-alloyed stainless steel per ISO 3506 |
| Included component | Integrated spring washer for vibration resistance |
| ROHS compliance | Yes, certified to restrict lead, cadmium, mercury, hexavalent chromium, PBB, and PBDE |
| Typical chromium content in SS 316 | 16% to 18%, standard for enhanced corrosion resistance in chloride environments |
| Typical molybdenum content in SS 316L | 2% to 3%, standard for improved resistance to pitting and crevice corrosion |
Ningbo Beilun Milfast Metalworks Co. Ltd is located in Qijiashan Street, Lianhe Area, Ningbo, Zhejiang Province, China. The company is verified as a harbor-tier supplier, indicating active export engagement. No information is provided on years in operation, workforce size, or production capacity. The listing highlights material certifications and ROHS compliance, suggesting a focus on environmental standards and material traceability rather than volume or speed.
The supplier does not claim ISO certification, factory audits, or client names. Response rate and response time are recorded as zero, indicating no buyer interactions on the platform. The product description emphasizes material purity and environmental compliance, but no details on testing equipment, quality control procedures, or packaging standards are stated. Capability is inferred from material grades and compliance claims, not operational metrics.
| 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 |
Sourcing DIN603 Carriage Bolts Round Head Screws from Ningbo Beilun Milfast Metalworks Co. Ltd - China Import Guide
Verify the exact stainless steel grade and mechanical class before ordering, as A2-70 and A4-80 have different strength and corrosion profiles. Request a material certification (EN 10204 3.1 or 3.2) that includes chemical composition and mechanical test results. Confirm that the spring washer is integrated and made from the same alloy as the bolt to avoid galvanic corrosion. Do not accept ROHS claims without a test report from an accredited lab.
Confirm lead time and packaging with the supplier, as these are not specified. Standard lead time for custom stainless fasteners is 30 to 45 days. Incoterms are likely FOB Ningbo or Shanghai, but payment terms are unlisted. Clarify if shipments include a commercial invoice, packing list, and certificate of origin. Ensure the supplier can provide batch traceability for each shipment, especially for regulated industries.
Perform incoming inspection for surface finish, thread quality, and washer integrity. Use a magnet test to verify material type - excessive magnetism may indicate improper annealing. Check for surface contaminants or scratches that could compromise corrosion resistance. Retain samples for future reference. Request a quality control report that includes salt spray test duration and pass/fail criteria. For critical applications, conduct your own corrosion test per ASTM B117.
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30 suppliersBuy Din603 Carriage Bolts Rou in Bulk — Verified Supplier in China
When sourcing Din603 Carriage Bolts Round Head Screws for your business, securing the right balance of quality and cost is essential. Ningbo Beilun Milfast Metalworks 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 $0.1/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Screws sector with strong demand from importing countries worldwide.
Din603 Carriage Bolts Rou Specifications, Trade Terms & Pricing
Importing Din603 Carriage Bolts Rou requires careful attention to shipping logistics, customs compliance, and secure payment terms. Ningbo Beilun Milfast Metalworks 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.
About Ningbo Beilun Milfast Metalworks Co. Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Din603 Carriage Bolts Rou 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 Screws category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Din603 Carriage Bolts Rou — Shipping, Logistics & Customs
Importing Din603 Carriage Bolts Rou 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 Din603 Carriage Bolts Rou
What is the wholesale price of Din603 Carriage Bolts Round Head Screws?
The current listed wholesale price for Din603 Carriage Bolts Round Head Screws from Ningbo Beilun Milfast Metalworks Co. Ltd is $0.1/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 Beilun Milfast Metalworks Co. Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Din603 Carriage Bolts Rou?
The supplier, Ningbo Beilun Milfast Metalworks Co. Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Din603 Carriage Bolts Rou. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Din603 Carriage Bolts Round Head Screws?
The HS Code classification for Din603 Carriage Bolts Round Head Screws depends on the specific grade and form. Contact Ningbo Beilun Milfast Metalworks Co. Ltd through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Din603 Carriage Bolts Rou from China?
To import Din603 Carriage Bolts Rou from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Ningbo Beilun Milfast Metalworks Co. Ltd. Ensure you have the necessary import licenses for Screws products in your destination country.
Is Ningbo Beilun Milfast Metalworks Co. Ltd a verified supplier?
Yes, Ningbo Beilun Milfast Metalworks 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 Din603 Carriage Bolts Round Head Screws?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Ningbo Beilun Milfast Metalworks Co. Ltd through EximNext.
What packaging options are available for bulk orders of Din603 Carriage Bolts Rou?
Ningbo Beilun Milfast Metalworks Co. Ltd offers Din603 Carriage Bolts Rou with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Din603 Carriage Bolts Rou the most?
Din603 Carriage Bolts Rou is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Ningbo Beilun Milfast Metalworks Co. Ltd through our platform.
What certifications does this Din603 Carriage Bolts Rou supplier hold?
Ningbo Beilun Milfast Metalworks Co. Ltd maintains international quality certifications. These ensure that the Din603 Carriage Bolts Rou meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Din603 Carriage Bolts Round Head Screws on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Ningbo Beilun Milfast Metalworks 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 Beilun Milfast Metalworks Co. Ltd.
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