Stainless Steel DIN6921 Hexagon Flange Serrated Bolts Supplier In China
Ningbo Teng Qi Fasteners Co., Ltd. is a professional manufacturer of Stainless Steel DIN6921 Hexagon Flange Serrated Bolts, specializing in the production of high-quality flange bolts for global industrial customers. With ISO9001 certified quality management and advanced manufacturing capabilities, we produce DIN6921 serrated flange bolts in stainless steel grades such as SS304 and SS316, ensuring excellent corrosion resistance, accurate dimensions and reliable fastening performance.
Our Stainless Steel DIN6921 Hexagon Flange Serrated Bolts are manufactured according to international standards with strict control of raw materials, thread accuracy and dimensional tolerances. We can supply standard sizes as well as customized bolts according to customer drawings, samples or technical requirements. With various surface treatment options and professional inspection processes, our flange bolts are widely used in machinery, automotive, construction and other industrial applications.
Specification:
Stainless Steel DIN6921 Hexagon Flange Serrated Bolts are manufactured according to DIN6921 standards, featuring an integrated hexagon head and serrated flange that helps distribute the load and prevent loosening during operation. These bolts are available in stainless steel grades such as SS304 and SS316, providing excellent corrosion resistance, durability and reliable fastening performance for various industrial applications.
| Product name | Stainless Steel DIN6921 Hexagon Flange Serrated Bolts |
|---|---|
| Thread Diameter: | M5-M20 |
| Material: | SS304 SS316 |
| Surface Treatment | Bright Pickling/Plain/Nylon Patch |
| Packaging: | Boxes/cartons into wooden pallets |
Dimension Chart of DIN6921 Hexagon Flange Serrated Bolts :
The dimension chart of Stainless Steel DIN6921 Hexagon Flange Serrated Bolts provides detailed information about the main specifications, including thread diameter, bolt length, flange diameter, hexagon head dimensions and other critical measurements. Manufactured according to DIN6921 standards, these flange bolts ensure accurate dimensions, reliable thread engagement and consistent performance for industrial fastening applications.
| Mon | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M20 |
| P | 0.8 | 1 | 1|1.25 | 1|1.25|1.5 | 1.25|1.5|1.75 | 1.5|2 | 1.5|2 | 1.5|2.5 |
| da max | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 22.4 |
| dc max | 11.8 | 14.2 | 18 | 22.3 | 26.6 | 30.5 | 35 | 43 |
| ds max | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 20 |
| ds min | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 19.67 |
| e min | 8.71 | 10.95 | 14.26 | 16.5 | 17.62 | 19.86 | 23.15 | 29.87 |
| Lf max | 1.4 | 2 | 2 | 2 | 3 | 3 | 3 | 4 |
| k max | 5.4 | 6.6 | 8.1 | 9.2 | 11.5 | 12.8 | 14.4 | 17.1 |
| r min | 0.25 | 0.4 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.8 |
| s max | 8 | 10 | 13 | 15 | 16 | 18 | 21 | 27 |
| s min | 7.78 | 9.78 | 12.73 | 14.73 | 15.73 | 17.73 | 20.67 | 26.67 |
Application of Stainless Steel DIN6921 Hexagon Flange Serrated Bolts :
Stainless Steel DIN6921 Hexagon Flange Serrated Bolts provide reliable fastening solutions for industries requiring high strength, corrosion resistance and vibration resistance. The serrated flange design eliminates the need for separate washers in many applications while improving load distribution and connection stability, making them suitable for various industrial assembly requirements.
| Application | Details |
|---|---|
Machinery and Industrial Equipment | These flange bolts are commonly applied in industrial machinery, production equipment, automation systems and mechanical assemblies. The integrated flange provides a larger bearing surface, helping distribute clamping force and improving connection stability. |
| Construction Industry | DIN6921 serrated flange bolts are used in construction equipment, structural components, steel frameworks and building facilities. Stainless steel materials provide excellent corrosion resistance, making them suitable for indoor and outdoor applications requiring long-term durability. |
| Electrical and Electronic Equipment | Due to their corrosion resistance and stable fastening performance, stainless steel flange bolts are used in electrical cabinets, control systems, power equipment and electronic machinery where secure connections and reliable operation are required. |
| Marine and Outdoor Applications | Stainless Steel 304 and 316 DIN6921 flange bolts are suitable for marine equipment, outdoor structures and coastal environments. Stainless Steel 316 provides enhanced resistance against salt water and harsh conditions, helping extend service life. |
| Energy Industry | These bolts are used in solar mounting systems, wind power equipment, energy facilities and related infrastructure. Their corrosion resistance and anti-loosening design make them suitable for applications exposed to environmental changes and continuous vibration. |
| Food Processing and Chemical Equipment | Stainless steel serrated flange bolts are widely used in food machinery, pharmaceutical equipment and chemical processing systems due to their hygienic properties and resistance to corrosion from moisture and chemicals. |