Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›

The Sae J429 G5 and G8 hex head bolts are manufactured from carbon steel with a zinc plating finish, meeting the SAE J429 specification for high‑strength fasteners. Grade G5 provides a medium carbon composition, while Grade G8 delivers a higher tensile capacity, both supplied in standard hex head form. The bolts are produced in the Jiulong Lake Industrial Zone of Ningbo, Zhejiang, and are intended for bulk export to industrial markets worldwide.
These fasteners follow typical industry dimensions, with thread sizes ranging from M8 to M24 and lengths between 20 mm and 200 mm, which covers most machinery, automotive and construction assemblies. The zinc plating offers a typical corrosion resistance of 5‑10 µm thickness, and the tensile strengths are typically around 800 MPa for G5 and 1200 MPa for G8. Such characteristics align with the requirements of structural steel connections, heavy‑duty equipment, and bridge components.
Importers usually source these bolts for OEM production lines, distributors, and maintenance‑repair operations. The supplier ships the bolts in bulk packaging, commonly using cartons stacked on pallets, but exact MOQ, price and lead time are not disclosed in the listing and should be confirmed directly. Buyers should verify the grade, finish and compliance certificates before placing an order, and discuss Incoterms and payment terms with the supplier.
| Material | Carbon steel, zinc plated |
| Grade | G5 (medium carbon), G8 (high tensile) |
| Tensile Strength | typical 800 MPa for G5, 1200 MPa for G8 |
| Yield Strength | typical 640 MPa for G5, 960 MPa for G8 |
| Finish | Zinc plating, typical thickness 5‑10 µm |
| Thread Size Range | typical M8‑M24 |
| Length Range | typical 20‑200 mm |
| Head Type | Hex head |
| Drive Size | Standard hex socket |
| Typical Applications | Structural steel, machinery, automotive, bridge construction |
Ningbo Gangtong Zheli Fasteners Co., Ltd. is situated in the Jiulong Lake Industrial Zone of Ningbo, Zhejiang, China. The factory occupies roughly 15 000 m² and reports a monthly production capacity of about 2 000 tons of fasteners, supported by a dedicated research system and large‑scale warehousing. The company holds a harbour‑tier verification on the marketplace, indicating a verified business presence, although its response rate is currently recorded as 0 %.
The product portfolio includes a broad selection of bolts, nuts, screws, washers and studs made from carbon and stainless steel. Export destinations span North America, Europe, Australia, Russia, Southeast Asia and the Middle East, and the company states compliance with DIN, ANSI/IFI, JIS, BS, ISO and GB specifications. Annual sales are reported to exceed US$15 million, reflecting a mature export operation.
SAE J429 G5 and G8 Hex Head Bolts are high-strength carbon steel fasteners meeting stringent SAE standards for industrial and structural applications. G5 bolts offer medium carbon steel with zinc plating for corrosion resistance, while G8 grade delivers higher tensile strength for demanding load-bearing uses in machinery, automotive, and construction sectors. Widely sourced from Chinese manufacturers, these hex bolts are packaged for bulk export and represent a staple fastener import for distributors and OEMs worldwide.
| 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 |
Before confirming a purchase, verify the bolt grade, zinc‑plating condition and the applicable standards (SAE J429, DIN, ISO etc.) by requesting the relevant certification documents from the supplier. Ensure that the material test reports match the specified G5 or G8 properties and that the coating thickness meets your corrosion‑resistance requirements.
Logistics for this supplier are normally handled through the ports of Shanghai or Ningbo. Discuss the preferred Incoterm (e.g., FOB Shanghai) and confirm the expected lead time, as the listing does not provide a concrete schedule. Payment terms such as T/T are common, but they should be negotiated and documented in the contract.
Arrange for pre‑shipment inspection or third‑party testing to validate tensile strength and coating quality. Request a mill test certificate, dimensional inspection report and packaging list to accompany the shipment. These documents help assure compliance with your project specifications and simplify customs clearance.
Active buying requirements from importers looking for Similar products
Compare alternatives, find similar products and connect with verified suppliers
When sourcing Sae J429 G5, G8 Hex Head Bolt for your business, securing the right balance of quality and cost is essential. Ningbo Gangtong Zheli Fasteners Co., Ltd., a verified supplier based in China, offers this product with key specifications including SAE J429 Grade 5 / Grade 8, Hex Head, and Full Thread or Partial Thread (per order). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $0.11/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7318.15, making it a staple in the Bolts sector with strong demand from importing countries worldwide.
Importing Sae J429 G5, G8 Hex Head requires careful attention to shipping logistics, customs compliance, and secure payment terms. Ningbo Gangtong Zheli Fasteners 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 7318.15 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.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Sae J429 G5, G8 Hex Head 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.
Importing Sae J429 G5, G8 Hex Head 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 7318.15 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 Sae J429 G5, G8 Hex Head Bolt from Ningbo Gangtong Zheli Fasteners Co., Ltd. is $0.11/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 Gangtong Zheli Fasteners Co., Ltd. through EximNext.
The supplier, Ningbo Gangtong Zheli Fasteners Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Sae J429 G5, G8 Hex Head. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, Sae J429 G5, G8 Hex Head Bolt is classified under HS Code 7318.15. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import Sae J429 G5, G8 Hex Head from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Ningbo Gangtong Zheli Fasteners Co., Ltd.. Ensure you have the necessary import licenses for Bolts products in your destination country.
Yes, Ningbo Gangtong Zheli Fasteners 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.
The key specifications for Sae J429 G5, G8 Hex Head Bolt supplied by Ningbo Gangtong Zheli Fasteners Co., Ltd. include SAE J429 Grade 5 / Grade 8, Hex Head, and Full Thread or Partial Thread (per order). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Ningbo Gangtong Zheli Fasteners Co., Ltd. offers Sae J429 G5, G8 Hex Head with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Sae J429 G5, G8 Hex Head is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Ningbo Gangtong Zheli Fasteners Co., Ltd. through our platform.
Ningbo Gangtong Zheli Fasteners Co., Ltd. maintains international quality certifications. These ensure that the Sae J429 G5, G8 Hex Head 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 Gangtong Zheli Fasteners 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 Gangtong Zheli Fasteners Co., Ltd..
Discover more products in Bolts from verified suppliers worldwide.