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Fujian DIN Hexagonal Head Bolt
QS Fastener: Fujian DIN Hexagonal Head Bolt
Product: Fujian DIN Hexagonal Head Bolt
Standard: DIN 933, DIN 934
1 Hexagonal Head Bolt with 2 Heavy Hex Nuts
Size: M18
Length: 65mm
Material: ASTM A320 Gr.B8M Cl.2
Standard: DIN 933, DIN 934
1 Hexagonal Head Bolt with 2 Heavy Hex Nuts
Size: M18
Length: 65mm
Material: ASTM A320 Gr.B8M Cl.2
Quantity
The DIN Hexagonal Head Bolt is a fastener widely used in mechanical connections. Manufactured according to DIN 933 and DIN 934 standards, it features excellent load-bearing capacity and reliable connection performance. Our products are made from ASTM A320 Gr.B8M Cl.2 material, making them suitable for high-corrosion environments.
Precautions for Using DIN Hexagonal Head Bolts
When using DIN hexagonal head bolts, paying attention to the following points is crucial to ensuring their connection performance and long-term stability:
When using DIN hexagonal head bolts, paying attention to the following points is crucial to ensuring their connection performance and long-term stability:
1. Correct Tightening: To avoid over-tightening or under-tightening, it is recommended to use a torque wrench. For the M18 size DIN hexagonal head bolt, the reference torque value typically falls between 160-200 Nm. The actual torque should be adjusted according to the type and condition of the connecting materials.
2. Matching Materials: Ensure that both the bolt and the nut are made from stainless steel (such as ASTM A320 Gr.B8M Cl.2) to achieve optimal connection effects and corrosion resistance. Using different materials may lead to localized galvanic corrosion or material embrittlement issues.
3. Regular Inspection: During use, regularly inspect visually and check the torque. It is recommended to perform checks every three months or after significant load changes to ensure that the bolts have not come loose or suffered damage.
4. Avoid Contact with Dissimilar Metals: Avoid direct contact between stainless steel bolts and dissimilar metals such as aluminum, copper, or iron to prevent galvanic corrosion. This can be mitigated by applying anti-corrosion agents on the contact surfaces or using insulating washers.
5. Environmental Factors: When used in humid, highly corrosive, or high-temperature environments, appropriate protective measures should be selected, such as applying anti-corrosion coatings or using materials with better corrosion resistance.
By following the above recommendations, optimal performance of DIN hexagonal head bolts can be achieved, extending their service life and ensuring structural safety. Using the correct torque and appropriate inspection management are key factors.
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