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Ningbo S&D Metalwork Co., Ltd. manufactures Guard Rail Bolts that comply with ASTM A307 Grade A specifications. The bolts are forged from high‑strength carbon steel and are supplied with a plain finish that can be painted or coated on site. They are offered in a range of diameters from 0.250 in to 1.000 in and lengths from 2 in to 12 in to suit different guard‑rail assemblies. All dimensions are cut to meet the tolerances required by the ASTM standard.
In the fastening‑hardware market, ASTM A307 Grade A bolts typically deliver tensile strengths between 60 ksi and 100 ksi (414 - 690 MPa). The material provides good resistance to corrosion in normal atmospheric conditions, and customers may request optional galvanised or hot‑dip coating for harsher environments. The plain finish allows easy integration with protective paints used in highway and bridge projects.
These bolts are widely used in highway construction, bridge safety installations and other civil‑infrastructure projects where guardrails must remain securely attached. Contractors and infrastructure developers usually order them in bulk and arrange shipment under FOB or CIF terms. Because the supplier does not publish a fixed MOQ, price or lead time, buyers should confirm those details directly with Ningbo S&D Metalwork Co., Ltd. Payment is typically arranged through a letter of credit or other standard international trade methods.
| Material | High‑strength carbon steel, meeting ASTM A307 Grade A |
| Tensile Strength | Typical 60‑100 ksi (414‑690 MPa) as defined by ASTM A307 |
| Finish | Plain finish, suitable for painting or coating |
| Diameter | Typical 0.250 in to 1.000 in (6.35 mm‑25.4 mm) range |
| Length | Typical 2 in to 12 in (50 mm‑300 mm) range |
| Thread Type | Standard UNC (Unified National Coarse) thread |
| Corrosion Resistance | Standard carbon‑steel resistance; optional galvanised coating available |
| Packaging | Typical bulk pack in cardboard boxes, up to 500 pieces per box |
| Compliance | Conforms to ASTM A307 Grade A specification (standard) |
| Weight | Typical 0.02 kg per bolt for a 0.5 in diameter, 3 in length |
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 supplier and holds a harbour trust tier, indicating verified capability to handle overseas shipments.
The company’s catalogue includes a range of steel fasteners, including the Guard Rail Bolts described above. While the listing does not disclose production capacity or client references, the supplier’s response rate is currently recorded as 0 % and average response time is not available, so buyers should verify communication reliability before placing 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 the bolt dimensions, material grade and finish match your project specifications. Request a sample or a material test certificate to confirm compliance with ASTM A307 Grade A, and ask the supplier to confirm their minimum order quantity and any batch‑size restrictions. It is also advisable to check the supplier’s response reliability, given the current recorded response rate of 0 %.
Logistics for these fasteners typically involve FOB or CIF terms from the port of Ningbo. Confirm the exact Incoterm, anticipated lead time and shipping schedule with Ningbo S&D Metalwork Co., Ltd. Payment is usually arranged through a letter of credit or other secure international trade mechanisms; discuss acceptable methods before finalising the contract.
Arrange for a third‑party inspection or on‑site quality audit if large volumes are required. Verify that the bolts have passed tensile‑strength testing and that any optional coatings are uniformly applied. Ensure that the commercial invoice, packing list and material test certificates are included in the shipment documentation to facilitate smooth customs clearance.
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When sourcing Guard Rail Bolts Astm A307 Gradea 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 $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 Guard Rail Bolts Astm A30 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 B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Guard Rail Bolts Astm A30 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 global B2B marketplace. Start your sourcing journey today.
Importing Guard Rail Bolts Astm A30 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 Guard Rail Bolts Astm A307 Gradea from Ningbo S&D Metalwork Co., Ltd. is $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 Guard Rail Bolts Astm A30. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
The HS Code classification for Guard Rail Bolts Astm A307 Gradea 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 Guard Rail Bolts Astm A30 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 Guard Rail Bolts Astm A30 with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Guard Rail Bolts Astm A30 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 Guard Rail Bolts Astm A30 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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