NINGBO YONGBIAO FASTENER CO.,LTD
| Place Of Origin | CHINA |
| Payment Terms | TT |
| Delivery Time | 7-25Days |
| Packaging Details | Carton Box/PE Bag |
| Name | Hex Flange Head Bolt |
| Drive Type | External Hex |
| Application Scrope | Machinery Industry |
| Material | Carbon Steel |
| Grade | Grade 5-12.9 |
| Surface Treatment | Plain ,Zinc Blue ,HDG ,Black,MG |
| Brand Name | YONGBIAO |
| Model Number | DIN6921 |
| Certification | ISO9001 |
| Place of Origin | ZHEJAING CHINA |
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Product Specification
| Place Of Origin | CHINA | Payment Terms | TT |
| Delivery Time | 7-25Days | Packaging Details | Carton Box/PE Bag |
| Name | Hex Flange Head Bolt | Drive Type | External Hex |
| Application Scrope | Machinery Industry | Material | Carbon Steel |
| Grade | Grade 5-12.9 | Surface Treatment | Plain ,Zinc Blue ,HDG ,Black,MG |
| Brand Name | YONGBIAO | Model Number | DIN6921 |
| Certification | ISO9001 | Place of Origin | ZHEJAING CHINA |
| High Light | 12.9 Hex Flange Head Bolts ，DIN6921 Hex Flange Head Bolts ，Machinery Industry Hex Flange Bolts | ||
DIN6921 Hex Flange Head Bolts In automobile manufacturing, hexagonal flange bolts are used to fix engine, chassis, and body components, and their high strength and corrosion resistance meet the stringent requirements of automotive parts.During the driving process, the car will generate vibration. The large support area and good anti loosening performance of the hexagonal flange bolts can ensure the stability of the connection of key components such as the engine.
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The fastening is very good, and the flange surface is like a built-in super strong gasket, which can evenly distribute the force, reduce the deformation and damage of the connecting parts, and firmly fasten the connecting parts of different materials such as metal or plastic.
Compared to ordinary hexagonal bolts, it has better anti loosening performance, and the toothed flange bolt has better effect, which can maintain stability in high vibration places such as car engines.Multiple options available: Level 4.8 is suitable for small occasions such as home decor;
Grade 8.8 is commonly found in automobiles and construction machinery;Level 10.9 can withstand large loads.
| Screw Thread | M5 | M6 | M8 | M10 | M12 | M14 | ||
| P | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | ||
| b | L≤125 | 16 | 18 | 22 | 26 | 30 | 34 | |
| 125＜L≤200 | / | / | 28 | 32 | 36 | 40 | ||
| c | min | 1 | 1.1 | 1.2 | 1.5 | 1.8 | 2.1 | |
| dc | max | 11.8 | 14.2 | 18 | 22.3 | 26.6 | 30.5 | |
| e | min | 8.71 | 10.95 | 14.26 | 16.5 | 17.62 | 19.86 | |
| f | max | 1.4 | 2 | 2 | 2 | 3 | 3 | |
| k | max | 5.4 | 6.6 | 8.1 | 9.2 | 11.5 | 12.8 | |
| s | max | 8 | 10 | 13 | 15 | 16 | 18 | |
| min | 7.78 | 9.78 | 12.73 | 14.73 | 15.73 | 17.73 | ||
Widely used in automobile manufacturing, mechanical equipment manufacturing, outdoor steel structure connection, and furniture manufacturing.
Company Profile:
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| Carton Packaging | Outer Cartonbox Packaging | Pallet Packaging |
| Bolts are packed in neutral packaging boxes, with standard quantities arranged in small cartons. The exact number of units per carton will be confirmed with the customer to align with their specific requirements. Customized packaging configurations are available upon request. | The small cartons are then consolidated into larger master cartons for secure transportation and storage. The quantity per master carton can be customized based on client specifications or aligned with standard logistical requirements. | The palletized units are securely wrapped with waterproof film and reinforced with packaging straps. Customer-specific shipping marks or labels are affixed to each pallet, ensuring clear identification and compliance with logistics requirements. This final packaging stage guarantees weather-resistant protection and stability during transportation. |
Company Details
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2012
Total Annual:
5000000-6000000
Employee Number:
45~53
Ecer Certification：
Verified Supplier
Ningbo Yongbiao Fastener Manufacturing Co., Ltd. is located in Ningbo, the second largest port city in China. The factory is 50 kilometers away from Ningbo Port and can reach the sea freight warehouse in one hour, with very fast logistics. The company was founded in 2012 and after years of hard work... Ningbo Yongbiao Fastener Manufacturing Co., Ltd. is located in Ningbo, the second largest port city in China. The factory is 50 kilometers away from Ningbo Port and can reach the sea freight warehouse in one hour, with very fast logistics. The company was founded in 2012 and after years of hard work...
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