Import Blue Carbon Steel Din, Unc Studs — Buy in Bulk from Supplier in China
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Blue carbon steel din, unc studs
Blue carbon steel DIN and UNC studs are double-threaded fasteners manufactured from alloy steel grades 4.8, 6.8, 8.8, and 10.9, with diameters ranging from 3mm to 56mm and lengths up to 6000mm. These studs feature a blue oxide finish achieved through controlled heat treatment and are compliant with DIN 975 and DIN 976 standards. The material base for grade 10.9 is 40Cr, a chromium-molybdenum alloy steel known for high tensile strength and fatigue resistance.
The blue finish is not a coating but a surface oxide formed during quenching and tempering, offering limited corrosion resistance and a non-reflective appearance suitable for industrial applications. Grade 10.9 studs achieve a minimum tensile strength of 1040 MPa and a hardness range of 33 to 39 HV, with elongation exceeding 9%. These properties meet the requirements of DIN EN ISO 898-1 for high-strength mechanical fasteners. The studs are produced to metric DIN specifications and also accommodate imperial UNC dimensions for compatibility in global markets.
These studs are primarily used in automotive, machinery, and structural assembly applications where threaded connections require high preload and vibration resistance. Buyers in Europe, North America, and Australia source them for replacing OEM fasteners or in retrofitting projects. Minimum order quantity is one carton, typically containing 50 to 200 pieces depending on size. The product is shipped FOB or CIF from Shanghai port, with annual production capacity at 6000 metric tons.
| Diameter Range | 3mm to 56mm (metric), 5/32" to 2" (UNC) |
| Length Range | 20mm to 6000mm (metric), 1" to 144" (UNC) |
| Material Grade | 4.8, 6.8, 8.8, 10.9 |
| Base Material for Grade 10.9 | 40Cr (chromium-molybdenum alloy steel) |
| Finish | Blue oxide finish from heat treatment, not electroplated |
| Tensile Strength (Grade 10.9) | 1040 MPa minimum |
| Hardness (HV) | 33 to 39 HV for grade 10.9 |
| Elongation | >9% minimum for grade 10.9 |
| Standard Compliance | DIN 975, DIN 976, ISO 898-1 |
| Thread Type | Double-threaded, metric DIN and imperial UNC |
Haifa Standard Part Corp. is located in Changan Town, Haining, Zhejiang Province, China, near major manufacturing hubs for fasteners. The company is listed as an imported supplier with harbor-level trust verification, indicating it has met basic export documentation requirements. No certifications, production capacity details beyond annual tonnage, or quality management system claims are provided in the listing.
The supplier does not disclose factory size, workforce, years in operation, or client references. Its product focus is narrow: DIN and UNC studs in blue carbon steel. The absence of response rate or average response time suggests limited buyer support infrastructure. The listing implies specialization in standard-grade fasteners rather than custom or high-precision components.
| 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 Blue carbon steel din, unc studs from Haifa Standard Part Corp. - China Import Guide
Before ordering, verify the exact grade (4.8, 6.8, 8.8, or 10.9) and confirm the base material (e.g., 40Cr for grade 10.9) with a material certification. Request a tensile strength and hardness test report for each batch, ensuring compliance with DIN EN ISO 898-1. Check that the thread dimensions match your mating nuts or tapped holes, especially when mixing metric and UNC threads in the same assembly.
Confirm the Incoterms - FOB or CIF - and clarify whether shipping includes customs clearance at destination. Lead time is not specified; request a production schedule and allow 30 to 45 days for manufacturing and export preparation. Payment terms are not stated; negotiate against 30% advance and 70% against copy of bill of lading. Ensure carton size and weight per unit are compatible with your warehouse handling systems.
Perform incoming inspection for surface finish uniformity, thread integrity, and absence of cracks or scale. Use a thread gauge to verify pitch and major diameter. Test a sample of studs under torque to ensure they meet the required preload without stripping. Retain batch samples for traceability, especially if used in safety-critical assemblies. Request that each shipment include a packing list with grade, quantity, and lot number per carton.
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30 suppliersBuy & Import Blue Carbon Steel Din, Un — Wholesale Supply from China
Securing a reliable supply chain for Blue Carbon Steel Din, Unc Studs is critical for maintaining your business operations. Haifa Standard Part Corp., a verified supplier located in China, provides high-quality Blue Carbon Steel Din, Un ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Studs industry, catering to distributors, wholesalers, and importers worldwide.
Request Wholesale Pricing & Bulk Trade Terms
Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing Blue Carbon Steel Din, Un from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Haifa Standard Part Corp.. This seamless communication is powered by EximNext, a premier B2B marketplace that connects ambitious buyers with verified global sellers across every major industry.
About Haifa Standard Part Corp. — Verified Supplier in China
We understand that verifying supplier credentials is a top priority for importers. Haifa Standard Part Corp. is part of our extensive network of vetted international exporters. Browse more products in the Studs category or discover new suppliers across the Studs sector. Expand your sourcing capabilities through our trusted global B2B marketplace — the import export marketplace built for serious international trade.
International Shipping & Import Guidelines for Blue Carbon Steel Din, Un
When importing Blue Carbon Steel Din, Un from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Frequently Asked Questions About Blue Carbon Steel Din, Un
How can I get the wholesale price for Blue Carbon Steel Din, Unc Studs?
Click the "Request Quotation" button to contact Haifa Standard Part Corp. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy Blue Carbon Steel Din, Un in bulk from China?
Yes, Haifa Standard Part Corp. provides Blue Carbon Steel Din, Un for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
What shipping terms are available for this product?
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Haifa Standard Part Corp.. Contact the supplier to discuss the best logistics options for importing Blue Carbon Steel Din, Un to your country.
How do I request a sample of Blue Carbon Steel Din, Unc Studs?
Send a direct message to Haifa Standard Part Corp. through our platform to request a product sample before committing to a large wholesale order.
Is it safe to source products from this supplier?
Haifa Standard Part Corp. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).
What specifications should I ask for when importing Blue Carbon Steel Din, Un?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Haifa Standard Part Corp..
Does Haifa Standard Part Corp. offer custom packaging or private labeling?
Many suppliers on EximNext, including Haifa Standard Part Corp., offer custom packaging and private label options for bulk wholesale orders.
What payment methods are accepted for international orders?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.
Can I find more Studs suppliers on EximNext?
Yes, EximNext hosts a wide network of verified Studs manufacturers, exporters, and wholesalers across 200+ countries.
How do I contact Haifa Standard Part Corp. for a bulk trade inquiry?
Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our B2B marketplace.
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