Basic information
DIN6921 flange bolt is a high strength, multi-purpose fastener, widely used in industrial fields. Its design features include a hexagonal head flange structure, which provides a larger contact area, effectively disperses pressure, and prevents loosening. The bolt has a variety of materials, including stainless steel (such as SS304, SS316), carbon steel (such as 4.8 to 12.9) and titanium alloy (such as 5 titanium), and the surface treatment can be selected galvanized, phosphating, black or natural color, to meet the corrosion resistance and strength needs in different environments.
Specifications and parameters
Size range: M5 to M36, with lengths ranging from 30mm to 200mm, some models support custom lengths.
Thread type: half or full thread, suitable for different installation requirements.
Surface treatment: galvanized, phosphating, color, etc., to provide excellent rust and wear resistance.
Certification standards: In line with ISO, CE, ROHS and other international certification to ensure product quality and safety.
Usage scenario and usage
DIN6921 flange bolts are widely used in the following fields due to their high strength and stability:
1. Building and steel structure: used to connect steel beams, trusses and other heavy structures to ensure the stability and safety of the building.
2. Automobile manufacturing: suitable for fastening key parts such as engine and chassis, providing high strength and corrosion resistance.
3. Mechanical equipment: used for the assembly of heavy machinery, such as construction machinery, agricultural equipment, etc., to ensure the stability of equipment under high pressure environment.
4. Aerospace: DIN6921 bolts made of titanium alloy are used in the manufacture of aircraft and spacecraft due to their lightweight and high strength characteristics.
Advantages and characteristics
High strength: Material grades ranging from 4.8 to 12.9 to meet different load requirements.
Anti-loose design: flange structure effectively prevents bolt loosening, suitable for vibration environment.
Diverse options: Support a wide range of materials, finishes and sizes to meet individual needs.
Sum up
DIN6921 flange bolts, with their high strength, diverse material choices and wide application scenarios, have become indispensable fasteners in the industrial field. Whether it is construction, automotive manufacturing or mechanical equipment, it provides reliable connectivity solutions. For more details or customized services, contact the relevant supplier for support.

**Handan Haoqiang Fastener Manufacturing Co., Ltd.**

**Address:** C6-13, Shichuang Logistics Port, Yongnian District, Handan City, Hebei Province, China

Since its inception in 2005, Handan Haoqiang Fastener Manufacturing Co., Ltd. has distinguished itself as a premier manufacturer and exporter, specializing in high-quality fasteners. With over a decade of unrivaled production expertise and a global trade footprint since 2014, we have earned a formidable reputation for delivering impeccable, precision-engineered fastening solutions to clients on a global scale.

**Core Products:**
- An extensive array of nuts and bolts in diverse specifications
- High-strength bolts and nuts designed for demanding applications
- Customized fasteners expertly tailored to meet specific client requirements

**Compliance Standards:**
Our products are meticulously crafted to adhere to esteemed international standards, including:

- **DIN** (German Standard)

- **GB** (Chinese National Standard)

- **ANSI/ASTM** (American Standard)

- **BSW** (British Standard Whitworth)

- **JIS** (Japanese Industrial Standard)

Harnessing state-of-the-art manufacturing technology and rigorous quality control systems, we guarantee durability, superior performance, and compliance with the stringent demands of global industries. Our unwavering commitment to innovation and customer-centric excellence has allowed us to forge enduring partnerships across dynamic sectors such as construction, machinery, automotive, and energy.

At the core of Haoqiang Fastener lies a dedication to integrity, efficiency, and sustainability. Whether catering to domestic projects or navigating international exports, we are driven to surpass expectations with competitive pricing, prompt delivery, and outstanding after-sales support.

*Connect with us today to discuss your fastener needs and discover how our expertise can fortify your projects!*

PACKAGE : Secure your goods with our customized packaging options: 25kgs Box with Pallet, 25kgs woven bags, or 25kgs Gunny bags. We also offer packaging tailored to the customer's request, ensuring your products reach their destination safely and efficiently.

**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.