Audited Supplier
1. Structure: Integrated flange under the head to increase the contact surface and reduce the surface pressure loss.
2. Advantages: Built-in gasket function, strong anti-loose performance, convenient installation.
3 Application: Widely used in automobiles, machinery, pipe flanges and steel structures such as high vibration or need to be sealed occasions.
4. Material: common carbon steel, stainless steel, etc., surface treatment such as galvanized, dacromet can enhance anti-corrosion.
| ITEM NAME: | Carbon Steel and Stainless Steel Hex Flange Bolt |
| MATERIAL: | Carbon steel SAE1008 / C1010 / C1020 / 10B21 / 20MnTib / 40Cr / 35Croma / Q355 etc. |
| STANDARD: | GB / DIN / ASME / ANSI / BSW |
| GRADE: | Gr4 / Gr6 / Gr8 / Gr10 / Gr12 / Class2 / Class5 / Class8 |
| SIZE: | M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 M72 M76 M80 M90 M100 |
| SIZE: | 1/8" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4" 1-1/2" 1-3/4" 2" 3" 4" |
| FINISH : | PLAIN, ZP, YZP, HDG, Dacromet, Black Oxide ,Cr3+ , Mechanical Galvanizing, |
**Handan Haoqiang Fastener Manufacturing Co., Ltd.**
**Address:** C6-13, Shichuang Logistics Port, Yongnian District, Handan City, Hebei Province, China
Established in 2005, Handan Haoqiang Fastener Manufacturing Co., Ltd. is a professional manufacturer and exporter specializing in high-quality fasteners. With over a decade of expertise in production and a global trade presence since 2014, we have built a reputation for delivering reliable and precision-engineered fastening solutions to clients worldwide.
**Core Products:**
- Nuts and bolts of various specifications
- High-strength bolts and nuts
- Customized fasteners tailored to client requirements
**Compliance Standards:**
Our products adhere to international standards, including:
- **DIN** (German Standard)
- **GB** (Chinese National Standard)
- **ANSI/ASTM** (American Standard)
- **BSW** (British Standard Whitworth)
- **JIS** (Japanese Industrial Standard)
Equipped with advanced manufacturing technology and strict quality control systems, we ensure durability, performance, and compliance with global industry demands. Our commitment to innovation and customer-centric service has enabled us to establish long-term partnerships across industries such as construction, machinery, automotive, and energy.
At Haoqiang Fastener, we prioritize integrity, efficiency, and sustainability. Whether for domestic projects or international exports, we strive to exceed expectations with competitive pricing, timely delivery, and exceptional after-sales support.
*Contact us today to discuss your fastener needs and explore how we can strengthen your projects with our expertise!*
PACKAGE : 25kgs Box with Pallet, 25kgs woven bags, 25 kgs Gunny bags , or we can follow customer's request
**Product & Specifications**
Q: What standards do your fasteners comply with?*
A: Our products meet DIN (German), GB (China), ANSI/ASTM (USA), BSW (UK), and JIS (Japan) standards. Custom specifications are available upon request.
**Order & Payment**
*Q: How can I track my international order?*
A: A real-time tracking number will be emailed once your shipment is dispatched. For urgent inquiries, contact export customer service
**Shipping & Logistics**
*Q: What are your delivery options for overseas customers?*
A: We offer sea freight (FOB/CIF), air freight, and express courier (DHL/FedEx) with competitive rates. Delivery timelines vary by destination.
**Returns & Warranty**
*Q: What if I receive defective products?*
A: We provide a 12-month quality guarantee. Report issues within 7 days of receipt with photos/video, and we'll arrange replacements or refunds promptly.
**Technical Support**
*Q: Can you assist with material selection for extreme environments?*
A: Absolutely! Our engineering team offers free consultation on corrosion-resistant, high-temperature, or high-load solutions.
