Import Gb21 Small Hexagon Head Bolt, Custom Flange Bolts, Auto Fasteners — Buy in wholesale FOB from Supplier in China
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GB21 Small Hexagon Head Bolt, custom flange bolts, auto fasteners
The GB21 Small Hexagon Head Bolt is a custom flange fastener designed for automotive assemblies. It is machined from steel and conforms to ISO metric thread standards, providing reliable engagement in engine and chassis components. The bolt features a hexagon head and a flanged shank that distributes load across the bearing surface. A corrosion‑resistant coating is applied to prolong service life under exposure to fluids and road conditions.
Typical automotive bolts of this size exhibit tensile strengths between 800 and 1200 MPa and are heat‑treated to achieve a hardness of 30 - 45 HRC, matching the supplier’s claim of high strength. Standard dimensions for GB21 range from M4 to M12 with lengths from 10 mm to 80 mm, allowing flexibility for various mounting points. The flanged design is common in OEM applications where a larger bearing area reduces stress on the substrate. Packaging is usually in cardboard boxes of 100 pieces, facilitating inventory management for manufacturers.
These bolts are widely used in vehicle manufacturing plants, repair workshops and custom‑build projects where precise torque and durability are essential. Buyers should request the material test report and coating thickness to verify compliance with automotive standards such as ISO and CE. While the supplier mentions flexible MOQ and shipping under L/C or T/T, exact quantities and lead times need confirmation directly with the supplier.
| Material | Steel |
| Thread standard | ISO metric (typical) |
| Head type | Hexagon (typical) |
| Size range | M4 - M12 (typical) |
| Length range | 10 - 80 mm (typical) |
| Tensile strength | 800 - 1200 MPa (typical) |
| Hardness | 30 - 45 HRC (typical) |
| Coating | Zinc plating (typical) |
| Torque specification | 5 - 50 Nm (typical) |
| Packaging | Cardboard boxes of 100 pcs (typical) |
Zhejiang Zhongrui Auto Parts Co., Ltd., based at No. 680, Ya'ao Road, Daqiao Town, Nanhu District, Jiaxing City, Zhejiang Province, China, is listed as an organic supplier with a voyage trust tier. The company’s catalogue includes custom automotive fasteners such as the GB21 hexagon head bolt, offering size and coating adaptations to meet OEM requirements. The platform data shows no recorded response rate, so prospective buyers should verify the communication turnaround before committing.
The supplier indicates ISO and CE certifications for its manufacturing processes, although specific certificate identifiers are not disclosed. Flexible minimum order quantities and shipping options under L/C or T/T are mentioned, and the supplier can provide detailed drawings and material test reports upon request. Importers are advised to obtain these documents to confirm that the bolts satisfy the mechanical and corrosion‑resistance criteria of their projects.
| 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 |
Sourcing GB21 Small Hexagon Head Bolt, custom flange bolts, auto fasteners from Zhejiang Zhongrui Auto Parts Co., Ltd. - China Import Guide
When sourcing the GB21 bolt, first confirm the material grade, thread profile and coating thickness against your vehicle’s engineering specifications. Ask the supplier for a mill test certificate, ISO thread compliance document and a coating inspection report to ensure the fastener meets required durability standards. Verify that any custom dimensions are reflected in an updated technical drawing before finalising the order.
Clarify the preferred Incoterm - FOB or CIF - and request a pro‑forma invoice that details freight costs to your destination port. Because the supplier’s response metrics are not recorded, obtain an estimated production lead time and confirm the shipping schedule. Discuss payment options such as L/C or T/T and any required advance deposits to align with your financing arrangements.
Plan a third‑party inspection covering dimensional checks, torque testing and coating verification either at the factory or at the loading port. Request the inspection report together with the ISO and CE certificates to confirm compliance. Implement these quality assurance steps to minimise the risk of receiving non‑conforming bolts and to maintain a reliable supply chain.
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29 suppliersBuy Gb21 Small Hexagon Head B in Bulk — Verified Supplier in China
When sourcing Gb21 Small Hexagon Head Bolt, Custom Flange Bolts, Auto Fasteners for your business, securing the right balance of quality and cost is essential. Zhejiang Zhongrui Auto Parts Co., Ltd., a verified supplier based in China, offers this product with key specifications including ANSI/ASME B18.21.1. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $0.5/Pieces and manage bulk orders with a minimum order quantity (MOQ) of 1000 Pieces. This product is actively traded under HS Code GB21, making it a staple in the Automobile Bolts, Nuts, Springs & Bearings sector with strong demand from importing countries worldwide.
Gb21 Small Hexagon Head B Specifications, Trade Terms & Pricing
Importing Gb21 Small Hexagon Head B requires careful attention to shipping logistics, customs compliance, and secure payment terms. Zhejiang Zhongrui Auto Parts 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 GB21 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 Zhejiang Zhongrui Auto Parts Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Gb21 Small Hexagon Head B 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 Automobile Bolts, Nuts, Springs & Bearings category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Import Gb21 Small Hexagon Head B — Shipping, Logistics & Customs
Importing Gb21 Small Hexagon Head B 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 GB21 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 Gb21 Small Hexagon Head B
What is the wholesale price of Gb21 Small Hexagon Head Bolt, Custom Flange Bolts, Auto Fasteners?
The current listed wholesale price for Gb21 Small Hexagon Head Bolt, Custom Flange Bolts, Auto Fasteners from Zhejiang Zhongrui Auto Parts Co., Ltd. is $0.5/Pieces 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 Zhejiang Zhongrui Auto Parts Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Gb21 Small Hexagon Head B?
The supplier, Zhejiang Zhongrui Auto Parts Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1000 Pieces for Gb21 Small Hexagon Head B. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Gb21 Small Hexagon Head Bolt, Custom Flange Bolts, Auto Fasteners?
For international shipping and customs clearance, Gb21 Small Hexagon Head Bolt, Custom Flange Bolts, Auto Fasteners is classified under HS Code GB21. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Gb21 Small Hexagon Head B from China?
To import Gb21 Small Hexagon Head B from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Zhejiang Zhongrui Auto Parts Co., Ltd.. Ensure you have the necessary import licenses for Automobile Bolts, Nuts, Springs & Bearings products in your destination country.
Is Zhejiang Zhongrui Auto Parts Co., Ltd. a verified supplier?
Yes, Zhejiang Zhongrui Auto Parts 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 Gb21 Small Hexagon Head Bolt, Custom Flange Bolts, Auto Fasteners?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Zhejiang Zhongrui Auto Parts Co., Ltd. through EximNext.
What packaging options are available for bulk orders of Gb21 Small Hexagon Head B?
Zhejiang Zhongrui Auto Parts Co., Ltd. offers Gb21 Small Hexagon Head B with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Gb21 Small Hexagon Head B the most?
Gb21 Small Hexagon Head B is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Zhejiang Zhongrui Auto Parts Co., Ltd. through our platform.
What certifications does this Gb21 Small Hexagon Head B supplier hold?
Zhejiang Zhongrui Auto Parts Co., Ltd. maintains international quality certifications. These ensure that the Gb21 Small Hexagon Head B meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Gb21 Small Hexagon Head Bolt, Custom Flange Bolts, Auto Fasteners on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Zhejiang Zhongrui Auto Parts 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 Zhejiang Zhongrui Auto Parts Co., Ltd..
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