Import Ansi/Asme B18.2.1 Square Head Bolt — Buy in wholesale FOB from Supplier in China
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ANSI/ASME B18.2.1 Square Head Bolt
The ANSI/ASME B18.2.1 Square Head Bolt from Zhejiang Zhongrui Auto Parts Co., Ltd. is a high-strength steel fastener designed for applications requiring enhanced grip and torque resistance. The square head design allows for a wrench or socket to apply higher tightening forces without slipping, making it ideal for heavy-duty structural connections. Each bolt adheres to ANSI/ASME B18.2.1 standards, ensuring consistency in head dimensions and thread specifications.
Made from high-grade carbon steel, these bolts offer typical tensile strengths of 500 MPa or higher for standard Grade 5 or 8 equivalents, with a plain or uncoated finish as standard. The square head width is typically 1.7 to 1.8 times the nominal bolt diameter, providing a larger contact area for tools. Common sizes range from M8 to M24 metric or 5/16 to 1 inch UNC/UNF, with lengths from 25 mm to 200 mm to accommodate various material thicknesses.
These bolts are widely used in construction, machinery manufacturing, and automotive applications where reliable clamping force and resistance to vibration are critical. They are often specified for connections in steel frameworks, heavy equipment, and engine mounts. Buyers can expect industrial packaging, such as cartons or palletized crates, with MOQs tailored to project scale. Confirm Incoterms like FOB Shanghai and request batch-specific test certificates for mechanical properties.
| Standard | ANSI/ASME B18.2.1 |
| Head Type | Square |
| Material | High-grade carbon steel |
| Finish | Plain (uncoated) |
| Typical Tensile Strength | 500 MPa or higher (standard Grade 5 or 8 equivalent) |
| Head Width Ratio | 1.7 to 1.8 x nominal bolt diameter (standard) |
| Typical Size Range | M8 to M24 metric or 5/16 to 1 inch UNC/UNF |
| Typical Length Range | 25 mm to 200 mm |
| Thread Tolerance | 6g (standard for commercial bolts) |
| Packaging | Cartons or palletized wooden crates |
Zhejiang Zhongrui Auto Parts Co., Ltd. is based in Jiaxing City, Zhejiang Province, at No. 680, Ya'ao Road, Daqiao Town, Nanhu District. The company focuses on producing industrial fasteners, including square head bolts, for sectors such as construction and machinery manufacturing. Its organic supplier status indicates it is likely a primary manufacturer with direct production capabilities.
The supplier profile does not provide active response metrics, certifications, or production capacity details. While the product description mentions compliance with ANSI/ASME standards, buyers should independently verify quality control processes, material sourcing, and export documentation. Direct communication is necessary to confirm lead times, as no response data is currently available.
| 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 |
Sourcing ANSI/ASME B18.2.1 Square Head Bolt from Zhejiang Zhongrui Auto Parts Co., Ltd. - China Import Guide
Prior to ordering, confirm that the supplier can provide batch-specific test certificates for mechanical properties such as tensile strength and hardness, as these are critical for structural applications. Verify the square head dimensions against your tooling requirements, as non-standard sizes may not fit standard sockets. Additionally, check if the bolts are manufactured to order or held in stock to assess lead times.
For logistics, confirm the supplier's ability to handle export documentation, including commercial invoices, packing lists, and certificates of origin. Negotiate Incoterms such as FOB Shanghai or CIF to your destination port, and clarify responsibility for freight, insurance, and customs clearance. Request details on packaging standards, especially for bulk orders, to ensure protection during transit.
Conduct quality checks by inspecting the square head dimensions, thread integrity, and surface finish for defects. For critical applications, perform destructive testing on a sample lot, including tensile and torque tests, to validate performance under load. Ensure the supplier can provide a full set of inspection reports, including material composition and mechanical properties, to meet your quality assurance requirements.
Active buying requirements from importers looking for Similar products
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Nigeria
Bangladesh
Thailand
Australia
Kuwait- ✓Who's importing it
- ✓What prices they're paying
- ✓Which ports they're moving through
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30 suppliersBuy Ansi/Asme B18.2.1 Square in Bulk — Verified Supplier in China
When sourcing Ansi/Asme B18.2.1 Square Head Bolt 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 ANSI/ASME B18.2.1, making it a staple in the Bolts sector with strong demand from importing countries worldwide.
Ansi/Asme B18.2.1 Square Specifications, Trade Terms & Pricing
Importing Ansi/Asme B18.2.1 Square 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 ANSI/ASME B18.2.1 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 online 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 Ansi/Asme B18.2.1 Square 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 B2B marketplace. Start your sourcing journey today.
Import Ansi/Asme B18.2.1 Square — Shipping, Logistics & Customs
Importing Ansi/Asme B18.2.1 Square 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 ANSI/ASME B18.2.1 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 Ansi/Asme B18.2.1 Square
What is the wholesale price of Ansi/Asme B18.2.1 Square Head Bolt?
The current listed wholesale price for Ansi/Asme B18.2.1 Square Head Bolt 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 Ansi/Asme B18.2.1 Square?
The supplier, Zhejiang Zhongrui Auto Parts Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1000 Pieces for Ansi/Asme B18.2.1 Square. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Ansi/Asme B18.2.1 Square Head Bolt?
For international shipping and customs clearance, Ansi/Asme B18.2.1 Square Head Bolt is classified under HS Code ANSI/ASME B18.2.1. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Ansi/Asme B18.2.1 Square from China?
To import Ansi/Asme B18.2.1 Square 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 Bolts 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 Ansi/Asme B18.2.1 Square Head Bolt?
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 Ansi/Asme B18.2.1 Square?
Zhejiang Zhongrui Auto Parts Co., Ltd. offers Ansi/Asme B18.2.1 Square with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Ansi/Asme B18.2.1 Square the most?
Ansi/Asme B18.2.1 Square 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 Ansi/Asme B18.2.1 Square supplier hold?
Zhejiang Zhongrui Auto Parts Co., Ltd. maintains international quality certifications. These ensure that the Ansi/Asme B18.2.1 Square meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Ansi/Asme B18.2.1 Square Head Bolt 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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