Import Din603 High-Strength Grade 5.8 Carriage Bolt — Buy in wholesale FOB from Supplier in China
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DIN603 High-Strength Grade 5.8 Carriage Bolt
DIN603 High-Strength Grade 5.8 carriage bolts from Ningbo Yongbiao International Business Co., Ltd are hex-head, square-neck fasteners designed for structural applications requiring shear resistance and secure clamping. They are manufactured in low-carbon steel or stainless steel 304/316, with surface finishes including zinc-plated, YZP, or plain. The bolts comply with DIN603 dimensional standards and are produced to meet ISO9001:2015 quality management requirements as stated in the source data.
Low-carbon steel variants undergo cold forging and heat treatment to achieve the 5.8 tensile strength class, with a minimum tensile strength of 500 MPa and yield strength of 400 MPa. Stainless steel versions use austenitic grades 304 or 316 for corrosion resistance in humid or marine environments. Typical surface treatments include zinc plating for basic protection and YZP for enhanced durability. These bolts are not galvanized by hot-dip unless specified; plain finishes are used where coating interference with assembly is a concern.
These bolts are commonly used in timber framing, machinery housings, and equipment mounting where a flush or low-profile head is required. Buyers include industrial equipment manufacturers, construction contractors, and distributors serving European and North American markets. Packaging is in cartons on wooden pallets, with standard export quantities per container. Trade terms include T/T, L/C, and D/P, with lead times typically aligned with production cycles and order volume.
| Standard | DIN603 |
| Grade | 5.8 |
| Material | Low-carbon steel, Stainless Steel 304/316 |
| Head Type | Hex head with square neck |
| Surface Finish | Zinc-plated, YZP, plain |
| Tensile Strength | 500 MPa minimum (standard for Grade 5.8) |
| Yield Strength | 400 MPa minimum (standard for Grade 5.8) |
| Diameter Range | M5 to M16 (typical range for DIN603 carriage bolts) |
| Length Range | 16 mm to 200 mm (typical range for DIN603 carriage bolts) |
| Packaging | Cartons on wooden pallets |
Ningbo Yongbiao International Business Co., Ltd is a supplier based in Jiulonghu Town, Zhenhai, Ningbo, Zhejiang, China. The company is registered as an exporter of industrial fasteners and holds ISO9001:2015 certification for quality management. The listing confirms no direct production capability but indicates sourcing and export operations from Zhejiang-based manufacturing partners. No information is provided on company history, employee count, or annual turnover.
The supplier's response rate is listed as 0.00% and average response time as zero hours, indicating no recent buyer inquiries have been processed through the platform. Trust tier is classified as 'harbor', which reflects basic verification of business registration and export documentation. The supplier does not claim in-house machining, heat treatment, or plating facilities, suggesting a trading or coordination role in the supply chain.
DIN603 Grade 5.8 carriage bolts are precision-engineered hex head fasteners designed for high-strength structural applications in construction, machinery, and equipment assembly. Available in low-carbon steel and stainless steel variants with zinc-plated or plain finishes, these bolts meet ISO9001:2015 quality certification standards. Exported primarily from Zhejiang, China, they are widely sourced by importers seeking reliable industrial hardware at competitive bulk pricing for global distribution.
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Sourcing DIN603 High-Strength Grade 5.8 Carriage Bolt from Ningbo Yongbiao International Business Co., Ltd - China Import Guide
Before placing an order, verify the material grade and surface finish against your application requirements. Request a mill test report for mechanical properties and a coating thickness report for plated variants. Confirm that the batch matches the DIN603 dimensional tolerances, particularly for square neck and head height, to ensure compatibility with existing tooling or pre-drilled holes in your assembly process.
Lead time is typically 25 to 45 days after order confirmation, depending on volume and production scheduling. Incoterms offered include FOB Ningbo or CIF, but the exact term must be confirmed in writing. Payment terms are T/T, L/C, or D/P; ensure L/C terms are confirmed with your bank before shipment. Request a packing list and shipping mark details in advance to avoid customs delays.
Perform incoming quality checks on a sample of each shipment: verify hardness with a portable tester, inspect surface finish for uniformity, and measure thread pitch with a gauge. Request a certificate of conformity for each batch and confirm that packaging is moisture-sealed if transporting through humid climates. Retain a sample from each delivery for traceability in case of field failures.
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8 listingsTop Verified Suppliers for DIN603 High-Strength Grade 5.8 Carriage Bolt
30 suppliersBuy Din603 High-Strength Grad in Bulk — Verified Supplier in China
When sourcing Din603 High-Strength Grade 5.8 Carriage Bolt for your business, securing the right balance of quality and cost is essential. Ningbo Yongbiao International Business Co., Ltd, a verified supplier based in China, offers this product with key specifications including Grade 5.8 (Carbon Steel) / A2-70/A4-70 (Stainless Steel), DIN603 (Carriage Bolt), and M5-0.80 x 16mm (Thread Size x Length). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $0.05/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7318.16, making it a staple in the Bolts sector with strong demand from importing countries worldwide.
Din603 High-Strength Grad Specifications, Trade Terms & Pricing
Importing Din603 High-Strength Grad requires careful attention to shipping logistics, customs compliance, and secure payment terms. Ningbo Yongbiao International Business Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7318.16 in their destination country. 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 Yongbiao International Business Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Din603 High-Strength Grad 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 Bolts category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Din603 High-Strength Grad — Shipping, Logistics & Customs
Importing Din603 High-Strength Grad 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 for HS Code 7318.16 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 High-Strength Grad
What is the wholesale price of Din603 High-Strength Grade 5.8 Carriage Bolt?
The current listed wholesale price for Din603 High-Strength Grade 5.8 Carriage Bolt from Ningbo Yongbiao International Business Co., Ltd is $0.05/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 Yongbiao International Business Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Din603 High-Strength Grad?
The supplier, Ningbo Yongbiao International Business Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Din603 High-Strength Grad. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Din603 High-Strength Grade 5.8 Carriage Bolt?
For international shipping and customs clearance, Din603 High-Strength Grade 5.8 Carriage Bolt is classified under HS Code 7318.16. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Din603 High-Strength Grad from China?
To import Din603 High-Strength Grad from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Ningbo Yongbiao International Business Co., Ltd. Ensure you have the necessary import licenses for Bolts products in your destination country.
Is Ningbo Yongbiao International Business Co., Ltd a verified supplier?
Yes, Ningbo Yongbiao International Business 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 High-Strength Grade 5.8 Carriage Bolt?
The key specifications for Din603 High-Strength Grade 5.8 Carriage Bolt supplied by Ningbo Yongbiao International Business Co., Ltd include Grade 5.8 (Carbon Steel) / A2-70/A4-70 (Stainless Steel), DIN603 (Carriage Bolt), and M5-0.80 x 16mm (Thread Size x Length). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Din603 High-Strength Grad?
Ningbo Yongbiao International Business Co., Ltd offers Din603 High-Strength Grad with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Din603 High-Strength Grad the most?
Din603 High-Strength Grad is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Ningbo Yongbiao International Business Co., Ltd through our platform.
What certifications does this Din603 High-Strength Grad supplier hold?
Ningbo Yongbiao International Business Co., Ltd maintains international quality certifications. These ensure that the Din603 High-Strength Grad meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Din603 High-Strength Grade 5.8 Carriage Bolt on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Ningbo Yongbiao International Business 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 Yongbiao International Business Co., Ltd.
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