Import Din931 Grade4.8,6.8,8.8,10.9,12.9 Hex Bolt — Buy in wholesale FOB from Supplier in China
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DIN931 Grade4.8,6.8,8.8,10.9,12.9 Hex Bolt
DIN931 hex bolts from Ningbo High Tensile Bolts Ltd. are metric fasteners manufactured to DIN 931 standards with tensile grades 4.8, 6.8, 8.8, 10.9, and 12.9, covering diameters from M6 to M80. These bolts feature a full hex head and full or partial threading, designed for high-load applications in machinery, structural steel, and automotive assembly. The material is carbon steel or alloy steel, with surface finishes including zinc plating in yellow, white, blue, or black; hot dip galvanizing; Dacromet; Geomet; and nickel plating as specified.
Standard mechanical properties for grade 8.8 bolts include a minimum tensile strength of 800 MPa and yield strength of 640 MPa, while grade 12.9 bolts exceed 1200 MPa tensile and 1100 MPa yield. These values align with DIN EN ISO 898-1 norms. Surface treatments are applied for corrosion resistance in outdoor or humid environments, with zinc plating offering moderate protection and Dacromet or Geomet providing superior performance in saline or industrial atmospheres. The bolts are produced to typical dimensional tolerances of h14 for thread and h12 for head diameter, consistent with industrial standards.
These bolts are commonly purchased by manufacturers of heavy equipment, bridge construction firms, and automotive component suppliers who require certified fasteners for critical joints. Trade terms typically include FOB Ningbo port, with packaging in bulk cartons or plastic-lined wooden crates. Minimum order quantities are negotiable but often start at 500 kg per size. Buyers should confirm the exact grade and finish against their engineering specifications before ordering, as performance varies significantly between grades.
| Standard | DIN 931 |
| Material | Carbon steel or alloy steel |
| Grades available | 4.8, 6.8, 8.8, 10.9, 12.9 |
| Diameter range | M6 to M80 |
| Thread type | Metric coarse thread per DIN 13 |
| Typical tensile strength (grade 8.8) | 800 MPa minimum |
| Typical yield strength (grade 12.9) | 1100 MPa minimum |
| Typical head height | 0.7d to 0.8d, where d is nominal diameter |
| Typical thread length (partial thread) | 2d + 6 mm for diameters up to M20, increasing by 2 mm per 5 mm increment above |
| Common surface finishes | Zinc plating (yellow, white, blue, black), hot dip galvanized, Dacromet, Geomet, nickel plated |
Ningbo High Tensile Bolts Ltd. operates from Zhenhai District in Ningbo, Zhejiang Province, a major hub for fastener manufacturing in eastern China. The company is registered as a manufacturer with direct production capabilities and holds harbor-tier verification, indicating basic trade compliance and operational legitimacy. The listing does not specify years in business, workforce size, or export volume, and no certifications such as ISO or third-party testing are referenced.
The supplier's focus appears to be on producing DIN-standard hex bolts across multiple grades, with an emphasis on material consistency and surface finish options. There is no public mention of in-house testing labs, client references, or quality control documentation beyond the basic product description. Buyers should request material test reports and finish certification for each batch before shipment.
DIN931 hex bolts are high-strength fasteners available in multiple grades (4.8, 6.8, 8.8, 10.9, and 12.9) to suit a wide range of industrial applications including construction, automotive, machinery, and structural engineering. These metric hex head bolts are commonly manufactured from carbon steel with finishes such as zinc plating, hot dip galvanized, Dacromet, or Geomet for enhanced corrosion resistance. Widely sourced and traded globally as essential industrial hardware components for import and export markets.
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Sourcing DIN931 Grade4.8,6.8,8.8,10.9,12.9 Hex Bolt from Ningbo High Tensile Bolts Ltd. - China Import Guide
Before ordering DIN931 bolts from this supplier, verify the exact grade, surface finish, and dimensional tolerances against your engineering drawings. Confirm that the material complies with DIN EN ISO 898-1 and request a material test report for each batch. Do not rely on generic descriptions such as 'high strength' without numerical data. Ensure the finish matches your environmental exposure requirements, especially for outdoor or corrosive conditions.
Logistics are typically handled via FOB Ningbo port. Lead time ranges from 15 to 30 days depending on order volume and finish availability. Incoterms should be clearly defined in writing; common terms include FOB, CIF, or EXW. Payment terms are usually 30% advance and 70% against copy of B/L. Confirm packaging type - bulk cartons or wooden crates - and whether moisture barriers are included to prevent corrosion during transit.
For quality assurance, inspect incoming shipments for correct grade marking, finish uniformity, and absence of surface defects such as cracks or uneven plating. Use a torque wrench to verify thread engagement and a hardness tester to check batch consistency. Request an inspection certificate per EN 10204 3.2 if the bolts are used in safety-critical applications. Retain samples for third-party testing if required by your quality system.
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30 suppliersBuy Din931 Grade4.8,6.8,8.8,1 in Bulk — Verified Supplier in China
When sourcing Din931 Grade4.8,6.8,8.8,10.9,12.9 Hex Bolt for your business, securing the right balance of quality and cost is essential. Ningbo High Tensile Bolts Ltd., a verified supplier based in China, offers this product with key specifications including 4.8 / 6.8 / 8.8 / 10.9 / 12.9 (metric tensile classes), Carbon Steel / Alloy Steel, and DIN 931 (ISO 4014 compatible). 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 actively traded under HS Code 731815, making it a staple in the Bolts sector with strong demand from importing countries worldwide.
Din931 Grade4.8,6.8,8.8,1 Specifications, Trade Terms & Pricing
Importing Din931 Grade4.8,6.8,8.8,1 requires careful attention to shipping logistics, customs compliance, and secure payment terms. Ningbo High Tensile Bolts 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 731815 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 B2B marketplace designed to make cross-border trade secure and efficient.
About Ningbo High Tensile Bolts Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Din931 Grade4.8,6.8,8.8,1 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 global B2B marketplace. Start your sourcing journey today.
Import Din931 Grade4.8,6.8,8.8,1 — Shipping, Logistics & Customs
Importing Din931 Grade4.8,6.8,8.8,1 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 731815 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 Din931 Grade4.8,6.8,8.8,1
What is the wholesale price of Din931 Grade4.8,6.8,8.8,10.9,12.9 Hex Bolt?
The current listed wholesale price for Din931 Grade4.8,6.8,8.8,10.9,12.9 Hex Bolt from Ningbo High Tensile Bolts 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 High Tensile Bolts Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Din931 Grade4.8,6.8,8.8,1?
The supplier, Ningbo High Tensile Bolts Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Din931 Grade4.8,6.8,8.8,1. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Din931 Grade4.8,6.8,8.8,10.9,12.9 Hex Bolt?
For international shipping and customs clearance, Din931 Grade4.8,6.8,8.8,10.9,12.9 Hex Bolt is classified under HS Code 731815. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Din931 Grade4.8,6.8,8.8,1 from China?
To import Din931 Grade4.8,6.8,8.8,1 from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Ningbo High Tensile Bolts Ltd.. Ensure you have the necessary import licenses for Bolts products in your destination country.
Is Ningbo High Tensile Bolts Ltd. a verified supplier?
Yes, Ningbo High Tensile Bolts 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 Din931 Grade4.8,6.8,8.8,10.9,12.9 Hex Bolt?
The key specifications for Din931 Grade4.8,6.8,8.8,10.9,12.9 Hex Bolt supplied by Ningbo High Tensile Bolts Ltd. include 4.8 / 6.8 / 8.8 / 10.9 / 12.9 (metric tensile classes), Carbon Steel / Alloy Steel, and DIN 931 (ISO 4014 compatible). 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 Din931 Grade4.8,6.8,8.8,1?
Ningbo High Tensile Bolts Ltd. offers Din931 Grade4.8,6.8,8.8,1 with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Din931 Grade4.8,6.8,8.8,1 the most?
Din931 Grade4.8,6.8,8.8,1 is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Ningbo High Tensile Bolts Ltd. through our platform.
What certifications does this Din931 Grade4.8,6.8,8.8,1 supplier hold?
Ningbo High Tensile Bolts Ltd. maintains international quality certifications. These ensure that the Din931 Grade4.8,6.8,8.8,1 meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Din931 Grade4.8,6.8,8.8,10.9,12.9 Hex Bolt on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Ningbo High Tensile Bolts 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 High Tensile Bolts Ltd..
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