This hex bolt is a standard industrial fastener used in machinery assembly, equipment maintenance, automotive components, and structural connections. The hexagonal head allows for easy installation and removal using wrenches or sockets. The shank is available in both fully threaded and partially threaded versions to suit different joint requirements. Made from carbon steel with a black oxide coating, it offers moderate corrosion resistance for general industrial use.
Typically paired with hex nuts, this bolt provides strong and reliable clamping force. Commonly used in engine parts, drivetrain systems, metal frames, agricultural machinery, and other applications requiring durability and strength. The black finish reduces glare and improves visibility in complex working environments.
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Material: |
Carbon Steel |
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Standard: |
ASME B18.2.1 DIN933/931 |
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Head type: |
Hex |
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Grade: |
A307A,GR2/5/8 4.8,8.8 |
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Thread size: |
3/16"~2" (M5~M52) |
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Length: |
1/2"~6" ( 12mm~600mm) |
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Coating: |
Plain, Black oxided,zinc,HDG etc |
About MBY
Established in 2004, JIAXING SINI FASTENER CO., LTD. has over 20 years of experience in the fastener field. We are a well-known leading exporter of bolts and screws. Our specialization lies in supplying both standard and custom-engineered bolts and screws.
In addition to manufacturing products that meet DIN and IFI standards, SINI FASTENER also has the capability to produce according to customer-specific designs and drawings. Most items are available in steel and stainless steel, and can be provided in both inch and metric sizes.
• Bolts: Manufactured in diameters from 3/16” to 1 1/2” (5mm–52mm) and lengths from 1/2” to 60” (10mm–1500mm). Our most competitive products include carriage bolts and round head bolts.
• Screws: Produced in diameters from #4 to 1/2” (3.5mm–12mm) and lengths from 1/2” to 60” (10mm–1500mm). Our key advantage lies in corrosion-resistant construction screws.
With production facilities located in Haiyan, Zhejiang and Lianyungang, Jiangsu, we serve customers across North America, South America, and Europe. Our diverse client base spans industries such as construction hardware, machinery, machine tools, electrical appliances, and furniture.
SINI FASTENER is ISO 9001 certified, ensuring consistent quality and reliability.
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