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The Heavy Hex Structural Bolts ASTM A325 Balck HDG are engineered fastening components supplied by Ningbo S&D Metalwork Co., Ltd. They conform to Grade A325 Type 1 specifications and are offered in diameters from ½ inch to 1½ inch. Each bolt is available with a black finish or a hot‑dip galvanized coating to improve corrosion resistance. Compliance with the ASTM A325 standard ensures the bolts can sustain the high loads required in structural applications.
The bolts are manufactured from medium carbon steel, which is the typical material for ASTM A325 fasteners and provides a typical tensile strength of about 120 ksi (830 MPa). The heavy‑hex head and unified national coarse (UNC) thread form are standard features that facilitate reliable torque transfer. Hot‑dip galvanising is a common industry practice that typically extends outdoor service life to ten‑to‑fifteen years. These characteristics align the product with the expectations of construction and heavy‑equipment sectors.
Typical applications include bridges, high‑rise building frames, heavy‑machinery assembly and automotive chassis where load‑bearing reliability is critical. Ningbo S&D Metalwork offers flexible minimum order quantities and ships under FOB or CIF terms, but exact quantities and lead times should be confirmed directly with the supplier. Prospective buyers are advised to request the supplier’s certification documents and test reports to verify ASTM and ISO compliance.
| Grade | A325 Type 1 |
| Diameter range | 0.5 in to 1.5 in |
| Finish options | Black coating, Hot‑dip galvanized (HDG) |
| Head type | Heavy hex |
| Material | Medium carbon steel, typical for ASTM A325 bolts |
| Tensile strength | typical 120 ksi (830 MPa) |
| Thread standard | UNC (Unified National Coarse), standard for listed diameters |
| Corrosion protection | typical HDG coating provides approximately 10‑15 years outdoor durability |
| Compliance | ASTM A325, ISO 898‑1 (standard) |
| Packaging | Bulk cartons, typical 1 000 pcs per carton |
Ningbo S&D Metalwork Co., Ltd. is located in the Yinzhou District of Ningbo, Zhejiang province, China (postal code 315114). The company is listed as an imported tier supplier and carries a harbour trust tier, indicating a basic level of verification on the platform. Its response metrics show a zero percent response rate and no recorded response hours, suggesting that communication may require proactive outreach.
The firm specialises in manufacturing and exporting structural fasteners, with the Heavy Hex Structural Bolts ASTM A325 Balck HDG highlighted in its catalogue. The listing confirms compliance with international standards such as ASTM and ISO, but does not provide specific certification copies or detailed production capacity. Buyers should therefore request the relevant test reports and capacity details before placing large 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 | Contact Supplier |
| Response Rate | New Supplier |
Before placing an order, verify that Ningbo S&D Metalwork can provide current ASTM A325 and ISO 898‑1 test certificates for the selected bolt sizes and finishes. Ask for a recent mill test report that includes chemical composition and tensile strength data, as these documents confirm the material conforms to the typical specifications described. It is also prudent to check the supplier’s business licence and any export‑quality audits to ensure regulatory compliance.
When negotiating shipping terms, clarify whether the supplier prefers FOB Ningbo port or CIF destination, and obtain the exact incoterm code to avoid hidden costs. Lead times are not stated in the listing, so request an estimated production and dispatch schedule based on your intended order volume. Common payment methods for Chinese exporters include T/T in advance, L/C at sight, or escrow services; confirm the supplier’s accepted terms before finalising the contract.
Arrange an independent third‑party inspection before loading to verify bolt dimensions, head geometry and coating thickness against the typical standards mentioned. Request a pre‑shipment certificate of conformity that references the ASTM A325 grade and the ISO test method used. Maintaining records of these inspections and certificates will streamline customs clearance and provide traceability for future audits of structural projects.
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When sourcing Heavy Hex Structural Bolts Astm A325 Balck Hdg 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 $0.1/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 Heavy Hex Structural Bolt 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 Heavy Hex Structural Bolt 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 Heavy Hex Structural Bolt 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 Heavy Hex Structural Bolts Astm A325 Balck Hdg from Ningbo S&D Metalwork 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 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 Heavy Hex Structural Bolt. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
The HS Code classification for Heavy Hex Structural Bolts Astm A325 Balck Hdg 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 Heavy Hex Structural Bolt 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 Heavy Hex Structural Bolt with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Heavy Hex Structural Bolt 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 Heavy Hex Structural Bolt 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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