NINGBO YONGBIAO FASTENER CO.,LTD
| Payment Terms | T/T |
| Supply Ability | 5000000 Tons/Year |
| Delivery Time | 7-25days |
| Packaging Details | Carton Box/Pallet/Customized |
| Standard | DIN, ANSI, GB, JIS,Customized |
| Sample | Free |
| Finish | Zinc Plated |
| Delivery Port | ShangHai or NingBo |
| Size | M3-M16 |
| Thread Type | Coarse |
| Corrosion Resistance | Medium |
| Hs Code | 73181400 |
| Brand Name | YongBiao |
| Model Number | Head Hex Socket Botton Screws |
| Certification | ISO9001,TUV |
| Place of Origin | ZheJiang China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5000000 Tons/Year |
| Delivery Time | 7-25days | Packaging Details | Carton Box/Pallet/Customized |
| Standard | DIN, ANSI, GB, JIS,Customized | Sample | Free |
| Finish | Zinc Plated | Delivery Port | ShangHai or NingBo |
| Size | M3-M16 | Thread Type | Coarse |
| Corrosion Resistance | Medium | Hs Code | 73181400 |
| Brand Name | YongBiao | Model Number | Head Hex Socket Botton Screws |
| Certification | ISO9001,TUV | Place of Origin | ZheJiang China |
| High Light | din hex socket button head screws ，Carbon hex button head screw ，Zinc hex button head screw | ||
Grade 8.8 Carbon Steel Blue-White Zinc Hex Socket Pan Head Screws
1.Products Details:
Hexagon socket button head screws, also known as socket cap screws, are a type of screw widely used in mechanical and industrial applications. They are characterized by a rounded head with a hexagonal socket on the top, which allows for precise torque application using a hex key.
Structure and Design
• Head: The button - like head provides a smooth and rounded surface, which is aesthetically pleasing and also helps prevent damage to adjacent components or surfaces. It has a recessed hexagonal socket that enables the use of a hex - shaped tool for driving the screw.
• Shank: The shank of the screw is typically cylindrical and threaded along its length. The thread design can vary depending on the application, with common thread types including metric and imperial threads. The shank diameter and length are available in a wide range of sizes to meet different fastening requirements.
2.Key Features:
Good Appearance
High Strength
Space - saving
Easy Assembly
Wide Application
3.Technical Parameters of Half Round Hex Socket Machine Screw
| d | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M16 | |
| P | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | |
| b | 18 | 20 | 22 | 24 | 28 | 32 | 36 | 44 | |
| da | MAX | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 17.7 |
| dk | MAX | 5.7 | 7.6 | 9.5 | 10.5 | 14 | 17.5 | 21 | 28 |
| MIN | 5.4 | 7.24 | 9.14 | 10.07 | 13.57 | 17.07 | 20.48 | 27.48 | |
| d1 | 2.6 | 3.8 | 5 | 6 | 7.7 | 10 | 12 | 16 | |
| ds | MAX | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 16 |
| MIN | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 15.73 | |
| dw | MIN | 4.97 | 6.66 | 8.41 | 9.26 | 12.48 | 15.7 | 18.84 | 25.28 |
| e ③ | MIN | 2.3 | 2.87 | 3.44 | 4.58 | 5.72 | 6.86 | 9.15 | 11.43 |
| k | MAX | 1.65 | 2.2 | 2.75 | 3.3 | 4.4 | 5.5 | 6.6 | 8.8 |
| MIN | 1.4 | 1.95 | 2.5 | 3 | 4.1 | 5.2 | 6.24 | 8.44 | |
| r3 | MAX | 3.7 | 4.6 | 5.75 | 6.15 | 7.95 | 9.8 | 11.2 | 15.3 |
| MIN | 3.3 | 4.2 | 5.25 | 5.65 | 7.45 | 9.2 | 10.5 | 14.5 | |
| r1 | MIN | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 |
| r2 | MIN | 0.3 | 0.4 | 0.45 | 0.5 | 0.7 | 0.7 | 1.1 | 1.1 |
| s | MAX | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | 10 |
| 2.08 | 2.58 | 3.08 | 4.095 | 5.14 | 6.14 | 8.175 | 10.175 | ||
| MIN | 2.02 | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | |
| t | MAX | 1.2 | 1.65 | 2.12 | 2.26 | 3.05 | 3.75 | 4.61 | 6.19 |
| MIN | 1.04 | 1.3 | 1.56 | 2.08 | 2.6 | 3.12 | 4.16 | 5.2 | |
| w | MIN | 0.2 | 0.3 | 0.38 | 0.74 | 1.05 | 1.45 | 1.63 | 2.25 |
4.Certificate Display
5.Production Process
6.Packaging and shipping Details
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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